Problem: 2063B - Subsequence Update
Language: Java 21

Previous submission (verdict: Wrong answer on test 1):
import java.io.*;

import java.util.*;

import static java.lang.Math.*;

public class  MyCPTemplate{

    static final int MOD = (int) (1e9 + 7);static final int INF = (int) (1e9) + 10;

    // safe use long

    static void solve() throws IOException{

        int n = fr.nextInt();

        int l = fr.nextInt();

        int r = fr.nextInt();

        l--;

        r--;

        int[] a = new int[n];



        for(int i =0;i<n;i++) a[i] =fr.nextInt();



        int[] b = new int[n];

        int[] c = new int[n];



        for(int i =0;i<n;i++) b[i] =a[i];

        for(int i =0;i<n;i++) c[i] = a[i];



        Arrays.sort(b,l,n);

        Arrays.sort(c,0,r+1);

        for(int i=0,j = r;i<=j;i++,j--){

            int temp = c[i];

            c[i] = c[j];

            c[j] = temp;

        }

        int c1 = 0;

        int c2 = 0;

        debug(a);

        debug(b);

        debug(c);

        for (int i = l; i <=r; i++) {

            c1+=b[i];

            c2+=c[i];

        }



        out.println(min(c1,c2));



    }





    public static void main(String[] args) throws Exception {

        int t = 1;

        t = fr.nextInt();

        while (t-->0){

            solve();

        }



        out.close();

    }





    //------------------------------------------------------------------------------------------------------------------//

    static void debug(Object... argObjects) throws IOException {out.println(Arrays.deepToString(argObjects));}

    static FastReader fr = new FastReader();

    static FastWriter out = new FastWriter();

    static class Pair<F extends Comparable<F>,S extends Comparable<S>> implements Comparable<Pair<F,S>>{

        public F first;

        public S second;

        public Pair(){}

        public Pair(F k,S v){

            first = k;

            second = v;

        }

        public String toString(){

            return "(" + first + ", " + second + ")";

        }



        @Override

        public int compareTo(Pair<F, S> that) {

            int cmp = this.first.compareTo(that.first);

            if (cmp == 0) {

                return this.second.compareTo(that.second);

            }

            return cmp;

        }

    }

    static class FastReader {



        BufferedReader br;

        StringTokenizer st;



        public FastReader() {

            br = new BufferedReader(new InputStreamReader(System.in),1<<18);

        }



        String next() {

            while (st == null || !st.hasMoreElements()) {

                try {

                    st = new StringTokenizer(br.readLine());

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

            return st.nextToken();

        }



        int nextInt() {

            return Integer.parseInt(next());

        }



        long nextLong() {

            return Long.parseLong(next());

        }



        double nextDouble() {

            return Double.parseDouble(next());

        }



        String nextLine() {

            String str = "";

            try {

                str = br.readLine();

            } catch (IOException e) {

                e.printStackTrace();

            }

            return str;

        }

    }

    static class FastWriter {

        private final BufferedWriter bw;



        public FastWriter() {

            bw = new BufferedWriter(new OutputStreamWriter(System.out), 1 << 18);

        }



        // Print a single value

        public void print(String s) throws IOException {

            bw.write(s);

        }



        public void print(int x) throws IOException {

            bw.write(Integer.toString(x));

        }



        public void print(long x) throws IOException {

            bw.write(Long.toString(x));

        }



        public void print(double x) throws IOException {

            bw.write(Double.toString(x));

        }

        public void print(Object obj) throws IOException{

            bw.write(obj.toString());

        }



        // Print a value with a newline

        public void println(String s) throws IOException {

            bw.write(s);

            bw.newLine();

        }

        public void println() throws IOException {

            bw.newLine();

        }



        public void println(int x) throws IOException {

            bw.write(Integer.toString(x));

            bw.newLine();

        }



        public void println(long x) throws IOException {

            bw.write(Long.toString(x));

            bw.newLine();

        }



        public void println(double x) throws IOException {

            bw.write(Double.toString(x));

            bw.newLine();

        }

        public void println(Object obj) throws IOException {

            bw.write(obj.toString());

            bw.newLine();

        }







        // Print arrays

        public void printArray(int[] arr) throws IOException {

            for (int x : arr) {

                print(x + " ");

            }

            println("");

        }



        public void printArray(int[][] arr) throws IOException{

            for(int[] a: arr){

                for(int i:a){

                    print(i+" ");

                }

                println();

            }

        }





        public void printArray(long[] arr) throws IOException {

            for (long x : arr) {

                print(x + " ");

            }

            println("");

        }



        // Print collections

        public <T> void printCollection(Collection<T> col) throws IOException {

            for (T x : col) {

                print(x.toString() + " ");

            }

            println("");

        }



        // Flush the buffer

        public void flush() throws IOException {

            bw.flush();

        }



        // Close the writer

        public void close() throws IOException {

            bw.close();

        }

    }







    /*

         Random stuff to try when stuck:

            -if it's 2C then it's dp

            -for combo/probability problems, expand the given form we're interested in

            -make everything the same then build an answer (constructive, make everything 0 then do something)

            -something appears in parts of 2 --> model as graph

            -assume a greedy then try to show why it works

            -find way to simplify into one variable if multiple exist

            -treat it like fmc (note any passing thoughts/algo that could be used so you can revisit them)

            -find lower and upper bounds on answer

            -figure out what ur trying to find and isolate it

            -see what observations you have and come up with more continuations

            -work backwards (in constructive, go from the goal to the start)

            -turn into prefix/suffix sum argument (often works if problem revolves around adjacent array elements)

            -instead of solving for answer, try solving for complement (ex, find n-(min) instead of max)

            -draw something

            -simulate a process

            -dont implement something unless if ur fairly confident its correct

            -after 3 bad submissions move on to next problem if applicable

            -do something instead of nothing and stay organized

            -write stuff down

            -check for some values which might be incorrect --> ((long)sqrt(n) does not always give the max number t*t<=n, adjust t).

         Random stuff to check when wa:

            -if code is way too long/cancer then reassess

            -switched N/M

            -int overflow

            -switched variables

            -wrong MOD

            -hardcoded edge case incorrectly

         Random stuff to check when tle:

            -continue instead of break

            -condition in for/while loop bad

         Random stuff to check when rte:

            -switched N/M

            -long to int/int overflow

            -division by 0

            -edge case for empty list/data structure/N=1

      */

}

Submission (verdict: Wrong answer on test 8):
import java.io.*;
import java.util.*;
import static java.lang.Math.*;
public class  MyCPTemplate{
    static final int MOD = (int) (1e9 + 7);static final int INF = (int) (1e9) + 10;
    // safe use long
    static void solve() throws IOException{
        int n = fr.nextInt();
        int l = fr.nextInt();
        int r = fr.nextInt();
        l--;
        r--;
        int[] a = new int[n];

        for(int i =0;i<n;i++) a[i] =fr.nextInt();

        int[] b = new int[n];
        int[] c = new int[n];

        for(int i =0;i<n;i++) b[i] =a[i];
        for(int i =0;i<n;i++) c[i] = a[i];

        Arrays.sort(b,l,n);
        Arrays.sort(c,0,r+1);

        int c1 = 0;
        int c2 = 0;
        for (int i = l; i <=r; i++) {
            c1+=b[i];
        }
        for(int i=0;i<=r-l;i++){
            c2+=c[i];
        }


        out.println(min(c1,c2));

    }


    public static void main(String[] args) throws Exception {
        int t = 1;
        t = fr.nextInt();
        while (t-->0){
            solve();
        }

        out.close();
    }


    //------------------------------------------------------------------------------------------------------------------//
    static void debug(Object... argObjects) throws IOException {out.println(Arrays.deepToString(argObjects));}
    static FastReader fr = new FastReader();
    static FastWriter out = new FastWriter();
    static class Pair<F extends Comparable<F>,S extends Comparable<S>> implements Comparable<Pair<F,S>>{
        public F first;
        public S second;
        public Pair(){}
        public Pair(F k,S v){
            first = k;
            second = v;
        }
        public String toString(){
            return "(" + first + ", " + second + ")";
        }

        @Override
        public int compareTo(Pair<F, S> that) {
            int cmp = this.first.compareTo(that.first);
            if (cmp == 0) {
                return this.second.compareTo(that.second);
            }
            return cmp;
        }
    }
    static class FastReader {

        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in),1<<18);
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
    static class FastWriter {
        private final BufferedWriter bw;

        public FastWriter() {
            bw = new BufferedWriter(new OutputStreamWriter(System.out), 1 << 18);
        }

        // Print a single value
        public void print(String s) throws IOException {
            bw.write(s);
        }

        public void print(int x) throws IOException {
            bw.write(Integer.toString(x));
        }

        public void print(long x) throws IOException {
            bw.write(Long.toString(x));
        }

        public void print(double x) throws IOException {
            bw.write(Double.toString(x));
        }
        public void print(Object obj) throws IOException{
            bw.write(obj.toString());
        }

        // Print a value with a newline
        public void println(String s) throws IOException {
            bw.write(s);
            bw.newLine();
        }
        public void println() throws IOException {
            bw.newLine();
        }

        public void println(int x) throws IOException {
            bw.write(Integer.toString(x));
            bw.newLine();
        }

        public void println(long x) throws IOException {
            bw.write(Long.toString(x));
            bw.newLine();
        }

        public void println(double x) throws IOException {
            bw.write(Double.toString(x));
            bw.newLine();
        }
        public void println(Object obj) throws IOException {
            bw.write(obj.toString());
            bw.newLine();
        }



        // Print arrays
        public void printArray(int[] arr) throws IOException {
            for (int x : arr) {
                print(x + " ");
            }
            println("");
        }

        public void printArray(int[][] arr) throws IOException{
            for(int[] a: arr){
                for(int i:a){
                    print(i+" ");
                }
                println();
            }
        }


        public void printArray(long[] arr) throws IOException {
            for (long x : arr) {
                print(x + " ");
            }
            println("");
        }

        // Print collections
        public <T> void printCollection(Collection<T> col) throws IOException {
            for (T x : col) {
                print(x.toString() + " ");
            }
            println("");
        }

        // Flush the buffer
        public void flush() throws IOException {
            bw.flush();
        }

        // Close the writer
        public void close() throws IOException {
            bw.close();
        }
    }



    /*
         Random stuff to try when stuck:
            -if it's 2C then it's dp
            -for combo/probability problems, expand the given form we're interested in
            -make everything the same then build an answer (constructive, make everything 0 then do something)
            -something appears in parts of 2 --> model as graph
            -assume a greedy then try to show why it works
            -find way to simplify into one variable if multiple exist
            -treat it like fmc (note any passing thoughts/algo that could be used so you can revisit them)
            -find lower and upper bounds on answer
            -figure out what ur trying to find and isolate it
            -see what observations you have and come up with more continuations
            -work backwards (in constructive, go from the goal to the start)
            -turn into prefix/suffix sum argument (often works if problem revolves around adjacent array elements)
            -instead of solving for answer, try solving for complement (ex, find n-(min) instead of max)
            -draw something
            -simulate a process
            -dont implement something unless if ur fairly confident its correct
            -after 3 bad submissions move on to next problem if applicable
            -do something instead of nothing and stay organized
            -write stuff down
            -check for some values which might be incorrect --> ((long)sqrt(n) does not always give the max number t*t<=n, adjust t).
         Random stuff to check when wa:
            -if code is way too long/cancer then reassess
            -switched N/M
            -int overflow
            -switched variables
            -wrong MOD
            -hardcoded edge case incorrectly
         Random stuff to check when tle:
            -continue instead of break
            -condition in for/while loop bad
         Random stuff to check when rte:
            -switched N/M
            -long to int/int overflow
            -division by 0
            -edge case for empty list/data structure/N=1
      */
}