Java/Code-Forces/src/StoTConverter.java at master · javaarchive/Java · GitHub

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import java.util.*;

import java.util.stream.Collectors;

public class StoTConverter {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

int N = sc.nextInt();sc.nextLine();

for(int run = 0; run < N; run++) {

String s = sc.nextLine(),t = sc.nextLine(),p = sc.nextLine();

ArrayList<Character> needed = new ArrayList<Character>();

System.out.println("s:"+s+"\n"+"t:"+t+"\n"+"p:"+p);

try {

int min = Integer.min(s.length(),t.length());

for(int i = 0; i < min; i ++) {

if(!(s.charAt(i) == t.charAt(i))) {

throw new Exception("SOLUTION REQUIRES REORDER");

}

for(int i =0 ; i < t.length(); i ++) {

//System.out.println("add "+i);

needed.add(t.charAt(i));

}

System.out.println("End Result: "+needed);

for(int i =0 ; i < s.length(); i ++) {

needed.remove(needed.indexOf(s.charAt(i)));

}

System.out.println("Letters needed: "+needed);

List<Character> chars = p.chars() // IntStream

.mapToObj(e -> (char)e) // Stream<Character>

.collect(Collectors.toList());

//System.out.println("Letters to find: "+needed);

System.out.println("Letters to be used before: "+chars);

for(char c: needed) {

//chars.remove(Character.valueOf(c));

chars.remove(chars.indexOf(c));

}

System.out.println("Letters to be used after: "+chars);

System.out.println("YES");

}catch(Exception e) {

System.out.println("NO "+e.getLocalizedMessage());

}

Java/Code-Forces/src/StoTConverter.java at master · javaarchive/Java · GitHub

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