package com.example.perf;

import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import java.util.stream.Collectors;
import java.io.IOException;
import java.io.File;
import java.io.BufferedReader;
import java.io.FileReader;

/**
 * Medium performance fixture (~1000 lines).
 * Tests local variable tracking across 50 methods with varied patterns.
 */
public class PerfMedium1k {

    private final Map<String, Object> config;
    private int totalProcessed;

    public PerfMedium1k(Map<String, Object> config) {
        this.config = config;
        this.totalProcessed = 0;
    }

    public String method1(String path1) {
        StringBuilder content1 = new StringBuilder();
        int lineCount1 = 0;

        try {
            File file1 = new File(path1);
            BufferedReader reader1 = new BufferedReader(new FileReader(file1));
            String line1;
            while ((line1 = reader1.readLine()) != null) {
                String trimmed1 = line1.trim();
                content1.append(trimmed1).append("\n");
                lineCount1++;
            }
            reader1.close();
        } catch (IOException ex1) {
            String errorMsg1 = "Error in method1: " + ex1.getMessage();
            System.err.println(errorMsg1);
        }

        String result1 = content1.toString();
        return result1;
    }

    public Map<String, Integer> method2(String[] data2) {
        Map<String, Integer> map2 = new HashMap<>();
        int total2 = 0;

        for (int i2 = 0; i2 < data2.length; i2++) {
            String key2 = data2[i2].toLowerCase();
            Integer prev2 = map2.get(key2);
            int updated2 = (prev2 != null) ? prev2 + 1 : 1;
            map2.put(key2, updated2);
            total2 += updated2;
        }

        double avg2 = (double) total2 / Math.max(data2.length, 1);
        System.out.println("method2 avg: " + avg2);
        return map2;
    }

    public int method3(int rows3, int cols3) {
        int accumulator3 = 0;
        int maxVal3 = Integer.MIN_VALUE;

        for (int r3 = 0; r3 < rows3; r3++) {
            int rowSum3 = 0;
            for (int c3 = 0; c3 < cols3; c3++) {
                int cell3 = r3 * cols3 + c3;
                rowSum3 += cell3;
                if (cell3 > maxVal3) {
                    maxVal3 = cell3;
                }
            }
            accumulator3 += rowSum3;
        }

        int diff3 = maxVal3 - accumulator3;
        System.out.println("method3 diff: " + diff3);
        return accumulator3;
    }

    public void method4(List<String> items4) {
        final String tag4 = "method4";
        int size4 = items4.size();
        List<String> sorted4 = new ArrayList<>(items4);

        sorted4.sort((a4, b4) -> {
            int lenA4 = a4.length();
            int lenB4 = b4.length();
            return Integer.compare(lenA4, lenB4);
        });

        for (String entry4 : sorted4) {
            String output4 = tag4 + ": " + entry4;
            System.out.println(output4);
        }

        String done4 = tag4 + " completed, size=" + size4;
        System.out.println(done4);
    }

    public List<String> method5(List<String> input5, String filter5) {
        List<String> result5 = new ArrayList<>();
        int count5 = 0;
        String prefix5 = filter5.trim();

        for (String item5 : input5) {
            String cleaned5 = item5.strip();
            if (cleaned5.startsWith(prefix5)) {
                String transformed5 = cleaned5.toUpperCase();
                result5.add(transformed5);
                count5++;
            }
        }

        String summary5 = "method5: processed " + count5;
        System.out.println(summary5);
        return result5;
    }

    public String method6(String path6) {
        StringBuilder content6 = new StringBuilder();
        int lineCount6 = 0;

        try {
            File file6 = new File(path6);
            BufferedReader reader6 = new BufferedReader(new FileReader(file6));
            String line6;
            while ((line6 = reader6.readLine()) != null) {
                String trimmed6 = line6.trim();
                content6.append(trimmed6).append("\n");
                lineCount6++;
            }
            reader6.close();
        } catch (IOException ex6) {
            String errorMsg6 = "Error in method6: " + ex6.getMessage();
            System.err.println(errorMsg6);
        }

        String result6 = content6.toString();
        return result6;
    }

    public Map<String, Integer> method7(String[] data7) {
        Map<String, Integer> map7 = new HashMap<>();
        int total7 = 0;

        for (int i7 = 0; i7 < data7.length; i7++) {
            String key7 = data7[i7].toLowerCase();
            Integer prev7 = map7.get(key7);
            int updated7 = (prev7 != null) ? prev7 + 1 : 1;
            map7.put(key7, updated7);
            total7 += updated7;
        }

        double avg7 = (double) total7 / Math.max(data7.length, 1);
        System.out.println("method7 avg: " + avg7);
        return map7;
    }

    public int method8(int rows8, int cols8) {
        int accumulator8 = 0;
        int maxVal8 = Integer.MIN_VALUE;

        for (int r8 = 0; r8 < rows8; r8++) {
            int rowSum8 = 0;
            for (int c8 = 0; c8 < cols8; c8++) {
                int cell8 = r8 * cols8 + c8;
                rowSum8 += cell8;
                if (cell8 > maxVal8) {
                    maxVal8 = cell8;
                }
            }
            accumulator8 += rowSum8;
        }

        int diff8 = maxVal8 - accumulator8;
        System.out.println("method8 diff: " + diff8);
        return accumulator8;
    }

    public void method9(List<String> items9) {
        final String tag9 = "method9";
        int size9 = items9.size();
        List<String> sorted9 = new ArrayList<>(items9);

        sorted9.sort((a9, b9) -> {
            int lenA9 = a9.length();
            int lenB9 = b9.length();
            return Integer.compare(lenA9, lenB9);
        });

        for (String entry9 : sorted9) {
            String output9 = tag9 + ": " + entry9;
            System.out.println(output9);
        }

        String done9 = tag9 + " completed, size=" + size9;
        System.out.println(done9);
    }

    public List<String> method10(List<String> input10, String filter10) {
        List<String> result10 = new ArrayList<>();
        int count10 = 0;
        String prefix10 = filter10.trim();

        for (String item10 : input10) {
            String cleaned10 = item10.strip();
            if (cleaned10.startsWith(prefix10)) {
                String transformed10 = cleaned10.toUpperCase();
                result10.add(transformed10);
                count10++;
            }
        }

        String summary10 = "method10: processed " + count10;
        System.out.println(summary10);
        return result10;
    }

    public String method11(String path11) {
        StringBuilder content11 = new StringBuilder();
        int lineCount11 = 0;

        try {
            File file11 = new File(path11);
            BufferedReader reader11 = new BufferedReader(new FileReader(file11));
            String line11;
            while ((line11 = reader11.readLine()) != null) {
                String trimmed11 = line11.trim();
                content11.append(trimmed11).append("\n");
                lineCount11++;
            }
            reader11.close();
        } catch (IOException ex11) {
            String errorMsg11 = "Error in method11: " + ex11.getMessage();
            System.err.println(errorMsg11);
        }

        String result11 = content11.toString();
        return result11;
    }

    public Map<String, Integer> method12(String[] data12) {
        Map<String, Integer> map12 = new HashMap<>();
        int total12 = 0;

        for (int i12 = 0; i12 < data12.length; i12++) {
            String key12 = data12[i12].toLowerCase();
            Integer prev12 = map12.get(key12);
            int updated12 = (prev12 != null) ? prev12 + 1 : 1;
            map12.put(key12, updated12);
            total12 += updated12;
        }

        double avg12 = (double) total12 / Math.max(data12.length, 1);
        System.out.println("method12 avg: " + avg12);
        return map12;
    }

    public int method13(int rows13, int cols13) {
        int accumulator13 = 0;
        int maxVal13 = Integer.MIN_VALUE;

        for (int r13 = 0; r13 < rows13; r13++) {
            int rowSum13 = 0;
            for (int c13 = 0; c13 < cols13; c13++) {
                int cell13 = r13 * cols13 + c13;
                rowSum13 += cell13;
                if (cell13 > maxVal13) {
                    maxVal13 = cell13;
                }
            }
            accumulator13 += rowSum13;
        }

        int diff13 = maxVal13 - accumulator13;
        System.out.println("method13 diff: " + diff13);
        return accumulator13;
    }

    public void method14(List<String> items14) {
        final String tag14 = "method14";
        int size14 = items14.size();
        List<String> sorted14 = new ArrayList<>(items14);

        sorted14.sort((a14, b14) -> {
            int lenA14 = a14.length();
            int lenB14 = b14.length();
            return Integer.compare(lenA14, lenB14);
        });

        for (String entry14 : sorted14) {
            String output14 = tag14 + ": " + entry14;
            System.out.println(output14);
        }

        String done14 = tag14 + " completed, size=" + size14;
        System.out.println(done14);
    }

    public List<String> method15(List<String> input15, String filter15) {
        List<String> result15 = new ArrayList<>();
        int count15 = 0;
        String prefix15 = filter15.trim();

        for (String item15 : input15) {
            String cleaned15 = item15.strip();
            if (cleaned15.startsWith(prefix15)) {
                String transformed15 = cleaned15.toUpperCase();
                result15.add(transformed15);
                count15++;
            }
        }

        String summary15 = "method15: processed " + count15;
        System.out.println(summary15);
        return result15;
    }

    public String method16(String path16) {
        StringBuilder content16 = new StringBuilder();
        int lineCount16 = 0;

        try {
            File file16 = new File(path16);
            BufferedReader reader16 = new BufferedReader(new FileReader(file16));
            String line16;
            while ((line16 = reader16.readLine()) != null) {
                String trimmed16 = line16.trim();
                content16.append(trimmed16).append("\n");
                lineCount16++;
            }
            reader16.close();
        } catch (IOException ex16) {
            String errorMsg16 = "Error in method16: " + ex16.getMessage();
            System.err.println(errorMsg16);
        }

        String result16 = content16.toString();
        return result16;
    }

    public Map<String, Integer> method17(String[] data17) {
        Map<String, Integer> map17 = new HashMap<>();
        int total17 = 0;

        for (int i17 = 0; i17 < data17.length; i17++) {
            String key17 = data17[i17].toLowerCase();
            Integer prev17 = map17.get(key17);
            int updated17 = (prev17 != null) ? prev17 + 1 : 1;
            map17.put(key17, updated17);
            total17 += updated17;
        }

        double avg17 = (double) total17 / Math.max(data17.length, 1);
        System.out.println("method17 avg: " + avg17);
        return map17;
    }

    public int method18(int rows18, int cols18) {
        int accumulator18 = 0;
        int maxVal18 = Integer.MIN_VALUE;

        for (int r18 = 0; r18 < rows18; r18++) {
            int rowSum18 = 0;
            for (int c18 = 0; c18 < cols18; c18++) {
                int cell18 = r18 * cols18 + c18;
                rowSum18 += cell18;
                if (cell18 > maxVal18) {
                    maxVal18 = cell18;
                }
            }
            accumulator18 += rowSum18;
        }

        int diff18 = maxVal18 - accumulator18;
        System.out.println("method18 diff: " + diff18);
        return accumulator18;
    }

    public void method19(List<String> items19) {
        final String tag19 = "method19";
        int size19 = items19.size();
        List<String> sorted19 = new ArrayList<>(items19);

        sorted19.sort((a19, b19) -> {
            int lenA19 = a19.length();
            int lenB19 = b19.length();
            return Integer.compare(lenA19, lenB19);
        });

        for (String entry19 : sorted19) {
            String output19 = tag19 + ": " + entry19;
            System.out.println(output19);
        }

        String done19 = tag19 + " completed, size=" + size19;
        System.out.println(done19);
    }

    public List<String> method20(List<String> input20, String filter20) {
        List<String> result20 = new ArrayList<>();
        int count20 = 0;
        String prefix20 = filter20.trim();

        for (String item20 : input20) {
            String cleaned20 = item20.strip();
            if (cleaned20.startsWith(prefix20)) {
                String transformed20 = cleaned20.toUpperCase();
                result20.add(transformed20);
                count20++;
            }
        }

        String summary20 = "method20: processed " + count20;
        System.out.println(summary20);
        return result20;
    }

    public String method21(String path21) {
        StringBuilder content21 = new StringBuilder();
        int lineCount21 = 0;

        try {
            File file21 = new File(path21);
            BufferedReader reader21 = new BufferedReader(new FileReader(file21));
            String line21;
            while ((line21 = reader21.readLine()) != null) {
                String trimmed21 = line21.trim();
                content21.append(trimmed21).append("\n");
                lineCount21++;
            }
            reader21.close();
        } catch (IOException ex21) {
            String errorMsg21 = "Error in method21: " + ex21.getMessage();
            System.err.println(errorMsg21);
        }

        String result21 = content21.toString();
        return result21;
    }

    public Map<String, Integer> method22(String[] data22) {
        Map<String, Integer> map22 = new HashMap<>();
        int total22 = 0;

        for (int i22 = 0; i22 < data22.length; i22++) {
            String key22 = data22[i22].toLowerCase();
            Integer prev22 = map22.get(key22);
            int updated22 = (prev22 != null) ? prev22 + 1 : 1;
            map22.put(key22, updated22);
            total22 += updated22;
        }

        double avg22 = (double) total22 / Math.max(data22.length, 1);
        System.out.println("method22 avg: " + avg22);
        return map22;
    }

    public int method23(int rows23, int cols23) {
        int accumulator23 = 0;
        int maxVal23 = Integer.MIN_VALUE;

        for (int r23 = 0; r23 < rows23; r23++) {
            int rowSum23 = 0;
            for (int c23 = 0; c23 < cols23; c23++) {
                int cell23 = r23 * cols23 + c23;
                rowSum23 += cell23;
                if (cell23 > maxVal23) {
                    maxVal23 = cell23;
                }
            }
            accumulator23 += rowSum23;
        }

        int diff23 = maxVal23 - accumulator23;
        System.out.println("method23 diff: " + diff23);
        return accumulator23;
    }

    public void method24(List<String> items24) {
        final String tag24 = "method24";
        int size24 = items24.size();
        List<String> sorted24 = new ArrayList<>(items24);

        sorted24.sort((a24, b24) -> {
            int lenA24 = a24.length();
            int lenB24 = b24.length();
            return Integer.compare(lenA24, lenB24);
        });

        for (String entry24 : sorted24) {
            String output24 = tag24 + ": " + entry24;
            System.out.println(output24);
        }

        String done24 = tag24 + " completed, size=" + size24;
        System.out.println(done24);
    }

    public List<String> method25(List<String> input25, String filter25) {
        List<String> result25 = new ArrayList<>();
        int count25 = 0;
        String prefix25 = filter25.trim();

        for (String item25 : input25) {
            String cleaned25 = item25.strip();
            if (cleaned25.startsWith(prefix25)) {
                String transformed25 = cleaned25.toUpperCase();
                result25.add(transformed25);
                count25++;
            }
        }

        String summary25 = "method25: processed " + count25;
        System.out.println(summary25);
        return result25;
    }

    public String method26(String path26) {
        StringBuilder content26 = new StringBuilder();
        int lineCount26 = 0;

        try {
            File file26 = new File(path26);
            BufferedReader reader26 = new BufferedReader(new FileReader(file26));
            String line26;
            while ((line26 = reader26.readLine()) != null) {
                String trimmed26 = line26.trim();
                content26.append(trimmed26).append("\n");
                lineCount26++;
            }
            reader26.close();
        } catch (IOException ex26) {
            String errorMsg26 = "Error in method26: " + ex26.getMessage();
            System.err.println(errorMsg26);
        }

        String result26 = content26.toString();
        return result26;
    }

    public Map<String, Integer> method27(String[] data27) {
        Map<String, Integer> map27 = new HashMap<>();
        int total27 = 0;

        for (int i27 = 0; i27 < data27.length; i27++) {
            String key27 = data27[i27].toLowerCase();
            Integer prev27 = map27.get(key27);
            int updated27 = (prev27 != null) ? prev27 + 1 : 1;
            map27.put(key27, updated27);
            total27 += updated27;
        }

        double avg27 = (double) total27 / Math.max(data27.length, 1);
        System.out.println("method27 avg: " + avg27);
        return map27;
    }

    public int method28(int rows28, int cols28) {
        int accumulator28 = 0;
        int maxVal28 = Integer.MIN_VALUE;

        for (int r28 = 0; r28 < rows28; r28++) {
            int rowSum28 = 0;
            for (int c28 = 0; c28 < cols28; c28++) {
                int cell28 = r28 * cols28 + c28;
                rowSum28 += cell28;
                if (cell28 > maxVal28) {
                    maxVal28 = cell28;
                }
            }
            accumulator28 += rowSum28;
        }

        int diff28 = maxVal28 - accumulator28;
        System.out.println("method28 diff: " + diff28);
        return accumulator28;
    }

    public void method29(List<String> items29) {
        final String tag29 = "method29";
        int size29 = items29.size();
        List<String> sorted29 = new ArrayList<>(items29);

        sorted29.sort((a29, b29) -> {
            int lenA29 = a29.length();
            int lenB29 = b29.length();
            return Integer.compare(lenA29, lenB29);
        });

        for (String entry29 : sorted29) {
            String output29 = tag29 + ": " + entry29;
            System.out.println(output29);
        }

        String done29 = tag29 + " completed, size=" + size29;
        System.out.println(done29);
    }

    public List<String> method30(List<String> input30, String filter30) {
        List<String> result30 = new ArrayList<>();
        int count30 = 0;
        String prefix30 = filter30.trim();

        for (String item30 : input30) {
            String cleaned30 = item30.strip();
            if (cleaned30.startsWith(prefix30)) {
                String transformed30 = cleaned30.toUpperCase();
                result30.add(transformed30);
                count30++;
            }
        }

        String summary30 = "method30: processed " + count30;
        System.out.println(summary30);
        return result30;
    }

    public String method31(String path31) {
        StringBuilder content31 = new StringBuilder();
        int lineCount31 = 0;

        try {
            File file31 = new File(path31);
            BufferedReader reader31 = new BufferedReader(new FileReader(file31));
            String line31;
            while ((line31 = reader31.readLine()) != null) {
                String trimmed31 = line31.trim();
                content31.append(trimmed31).append("\n");
                lineCount31++;
            }
            reader31.close();
        } catch (IOException ex31) {
            String errorMsg31 = "Error in method31: " + ex31.getMessage();
            System.err.println(errorMsg31);
        }

        String result31 = content31.toString();
        return result31;
    }

    public Map<String, Integer> method32(String[] data32) {
        Map<String, Integer> map32 = new HashMap<>();
        int total32 = 0;

        for (int i32 = 0; i32 < data32.length; i32++) {
            String key32 = data32[i32].toLowerCase();
            Integer prev32 = map32.get(key32);
            int updated32 = (prev32 != null) ? prev32 + 1 : 1;
            map32.put(key32, updated32);
            total32 += updated32;
        }

        double avg32 = (double) total32 / Math.max(data32.length, 1);
        System.out.println("method32 avg: " + avg32);
        return map32;
    }

    public int method33(int rows33, int cols33) {
        int accumulator33 = 0;
        int maxVal33 = Integer.MIN_VALUE;

        for (int r33 = 0; r33 < rows33; r33++) {
            int rowSum33 = 0;
            for (int c33 = 0; c33 < cols33; c33++) {
                int cell33 = r33 * cols33 + c33;
                rowSum33 += cell33;
                if (cell33 > maxVal33) {
                    maxVal33 = cell33;
                }
            }
            accumulator33 += rowSum33;
        }

        int diff33 = maxVal33 - accumulator33;
        System.out.println("method33 diff: " + diff33);
        return accumulator33;
    }

    public void method34(List<String> items34) {
        final String tag34 = "method34";
        int size34 = items34.size();
        List<String> sorted34 = new ArrayList<>(items34);

        sorted34.sort((a34, b34) -> {
            int lenA34 = a34.length();
            int lenB34 = b34.length();
            return Integer.compare(lenA34, lenB34);
        });

        for (String entry34 : sorted34) {
            String output34 = tag34 + ": " + entry34;
            System.out.println(output34);
        }

        String done34 = tag34 + " completed, size=" + size34;
        System.out.println(done34);
    }

    public List<String> method35(List<String> input35, String filter35) {
        List<String> result35 = new ArrayList<>();
        int count35 = 0;
        String prefix35 = filter35.trim();

        for (String item35 : input35) {
            String cleaned35 = item35.strip();
            if (cleaned35.startsWith(prefix35)) {
                String transformed35 = cleaned35.toUpperCase();
                result35.add(transformed35);
                count35++;
            }
        }

        String summary35 = "method35: processed " + count35;
        System.out.println(summary35);
        return result35;
    }

    public String method36(String path36) {
        StringBuilder content36 = new StringBuilder();
        int lineCount36 = 0;

        try {
            File file36 = new File(path36);
            BufferedReader reader36 = new BufferedReader(new FileReader(file36));
            String line36;
            while ((line36 = reader36.readLine()) != null) {
                String trimmed36 = line36.trim();
                content36.append(trimmed36).append("\n");
                lineCount36++;
            }
            reader36.close();
        } catch (IOException ex36) {
            String errorMsg36 = "Error in method36: " + ex36.getMessage();
            System.err.println(errorMsg36);
        }

        String result36 = content36.toString();
        return result36;
    }

    public Map<String, Integer> method37(String[] data37) {
        Map<String, Integer> map37 = new HashMap<>();
        int total37 = 0;

        for (int i37 = 0; i37 < data37.length; i37++) {
            String key37 = data37[i37].toLowerCase();
            Integer prev37 = map37.get(key37);
            int updated37 = (prev37 != null) ? prev37 + 1 : 1;
            map37.put(key37, updated37);
            total37 += updated37;
        }

        double avg37 = (double) total37 / Math.max(data37.length, 1);
        System.out.println("method37 avg: " + avg37);
        return map37;
    }

    public int method38(int rows38, int cols38) {
        int accumulator38 = 0;
        int maxVal38 = Integer.MIN_VALUE;

        for (int r38 = 0; r38 < rows38; r38++) {
            int rowSum38 = 0;
            for (int c38 = 0; c38 < cols38; c38++) {
                int cell38 = r38 * cols38 + c38;
                rowSum38 += cell38;
                if (cell38 > maxVal38) {
                    maxVal38 = cell38;
                }
            }
            accumulator38 += rowSum38;
        }

        int diff38 = maxVal38 - accumulator38;
        System.out.println("method38 diff: " + diff38);
        return accumulator38;
    }

    public void method39(List<String> items39) {
        final String tag39 = "method39";
        int size39 = items39.size();
        List<String> sorted39 = new ArrayList<>(items39);

        sorted39.sort((a39, b39) -> {
            int lenA39 = a39.length();
            int lenB39 = b39.length();
            return Integer.compare(lenA39, lenB39);
        });

        for (String entry39 : sorted39) {
            String output39 = tag39 + ": " + entry39;
            System.out.println(output39);
        }

        String done39 = tag39 + " completed, size=" + size39;
        System.out.println(done39);
    }

    public List<String> method40(List<String> input40, String filter40) {
        List<String> result40 = new ArrayList<>();
        int count40 = 0;
        String prefix40 = filter40.trim();

        for (String item40 : input40) {
            String cleaned40 = item40.strip();
            if (cleaned40.startsWith(prefix40)) {
                String transformed40 = cleaned40.toUpperCase();
                result40.add(transformed40);
                count40++;
            }
        }

        String summary40 = "method40: processed " + count40;
        System.out.println(summary40);
        return result40;
    }

    public String method41(String path41) {
        StringBuilder content41 = new StringBuilder();
        int lineCount41 = 0;

        try {
            File file41 = new File(path41);
            BufferedReader reader41 = new BufferedReader(new FileReader(file41));
            String line41;
            while ((line41 = reader41.readLine()) != null) {
                String trimmed41 = line41.trim();
                content41.append(trimmed41).append("\n");
                lineCount41++;
            }
            reader41.close();
        } catch (IOException ex41) {
            String errorMsg41 = "Error in method41: " + ex41.getMessage();
            System.err.println(errorMsg41);
        }

        String result41 = content41.toString();
        return result41;
    }

    public Map<String, Integer> method42(String[] data42) {
        Map<String, Integer> map42 = new HashMap<>();
        int total42 = 0;

        for (int i42 = 0; i42 < data42.length; i42++) {
            String key42 = data42[i42].toLowerCase();
            Integer prev42 = map42.get(key42);
            int updated42 = (prev42 != null) ? prev42 + 1 : 1;
            map42.put(key42, updated42);
            total42 += updated42;
        }

        double avg42 = (double) total42 / Math.max(data42.length, 1);
        System.out.println("method42 avg: " + avg42);
        return map42;
    }

    public int method43(int rows43, int cols43) {
        int accumulator43 = 0;
        int maxVal43 = Integer.MIN_VALUE;

        for (int r43 = 0; r43 < rows43; r43++) {
            int rowSum43 = 0;
            for (int c43 = 0; c43 < cols43; c43++) {
                int cell43 = r43 * cols43 + c43;
                rowSum43 += cell43;
                if (cell43 > maxVal43) {
                    maxVal43 = cell43;
                }
            }
            accumulator43 += rowSum43;
        }

        int diff43 = maxVal43 - accumulator43;
        System.out.println("method43 diff: " + diff43);
        return accumulator43;
    }

    public void method44(List<String> items44) {
        final String tag44 = "method44";
        int size44 = items44.size();
        List<String> sorted44 = new ArrayList<>(items44);

        sorted44.sort((a44, b44) -> {
            int lenA44 = a44.length();
            int lenB44 = b44.length();
            return Integer.compare(lenA44, lenB44);
        });

        for (String entry44 : sorted44) {
            String output44 = tag44 + ": " + entry44;
            System.out.println(output44);
        }

        String done44 = tag44 + " completed, size=" + size44;
        System.out.println(done44);
    }

    public List<String> method45(List<String> input45, String filter45) {
        List<String> result45 = new ArrayList<>();
        int count45 = 0;
        String prefix45 = filter45.trim();

        for (String item45 : input45) {
            String cleaned45 = item45.strip();
            if (cleaned45.startsWith(prefix45)) {
                String transformed45 = cleaned45.toUpperCase();
                result45.add(transformed45);
                count45++;
            }
        }

        String summary45 = "method45: processed " + count45;
        System.out.println(summary45);
        return result45;
    }

    public String method46(String path46) {
        StringBuilder content46 = new StringBuilder();
        int lineCount46 = 0;

        try {
            File file46 = new File(path46);
            BufferedReader reader46 = new BufferedReader(new FileReader(file46));
            String line46;
            while ((line46 = reader46.readLine()) != null) {
                String trimmed46 = line46.trim();
                content46.append(trimmed46).append("\n");
                lineCount46++;
            }
            reader46.close();
        } catch (IOException ex46) {
            String errorMsg46 = "Error in method46: " + ex46.getMessage();
            System.err.println(errorMsg46);
        }

        String result46 = content46.toString();
        return result46;
    }

    public Map<String, Integer> method47(String[] data47) {
        Map<String, Integer> map47 = new HashMap<>();
        int total47 = 0;

        for (int i47 = 0; i47 < data47.length; i47++) {
            String key47 = data47[i47].toLowerCase();
            Integer prev47 = map47.get(key47);
            int updated47 = (prev47 != null) ? prev47 + 1 : 1;
            map47.put(key47, updated47);
            total47 += updated47;
        }

        double avg47 = (double) total47 / Math.max(data47.length, 1);
        System.out.println("method47 avg: " + avg47);
        return map47;
    }

    public int method48(int rows48, int cols48) {
        int accumulator48 = 0;
        int maxVal48 = Integer.MIN_VALUE;

        for (int r48 = 0; r48 < rows48; r48++) {
            int rowSum48 = 0;
            for (int c48 = 0; c48 < cols48; c48++) {
                int cell48 = r48 * cols48 + c48;
                rowSum48 += cell48;
                if (cell48 > maxVal48) {
                    maxVal48 = cell48;
                }
            }
            accumulator48 += rowSum48;
        }

        int diff48 = maxVal48 - accumulator48;
        System.out.println("method48 diff: " + diff48);
        return accumulator48;
    }

    public void method49(List<String> items49) {
        final String tag49 = "method49";
        int size49 = items49.size();
        List<String> sorted49 = new ArrayList<>(items49);

        sorted49.sort((a49, b49) -> {
            int lenA49 = a49.length();
            int lenB49 = b49.length();
            return Integer.compare(lenA49, lenB49);
        });

        for (String entry49 : sorted49) {
            String output49 = tag49 + ": " + entry49;
            System.out.println(output49);
        }

        String done49 = tag49 + " completed, size=" + size49;
        System.out.println(done49);
    }

    public List<String> method50(List<String> input50, String filter50) {
        List<String> result50 = new ArrayList<>();
        int count50 = 0;
        String prefix50 = filter50.trim();

        for (String item50 : input50) {
            String cleaned50 = item50.strip();
            if (cleaned50.startsWith(prefix50)) {
                String transformed50 = cleaned50.toUpperCase();
                result50.add(transformed50);
                count50++;
            }
        }

        String summary50 = "method50: processed " + count50;
        System.out.println(summary50);
        return result50;
    }

}
