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  1. import java.util.Scanner;
  2. class Main{
  3.   public static void main(String args[]){
  4.     Scanner scan = new Scanner(System.in);
  5.     String st = scan.next();
  6.     char ch;
  7.     int st1 = 1;
  8.     char[] result = new char[st.length()];
  9.     for(int i = st.length()-1; i >= 0; i--) {
  10.             result[i] = st.charAt(i);
  11.     }
  12.     for(int i = 0; i <= st.length()-1; i++) {
  13.         for(int j = 0; j < st.length()-1 ; j++) {
  14.             if(result[j] > result[j+1]){
  15.                 ch = result[j];
  16.                 result[j] = result[j+1];
  17.                 result[j+1] = ch;
  18.             }
  19.         }
  20.     }
  21.     for(int i = 0; i < st.length()-1; i++) {
  22.         if(result[i] != result[i+1]){
  23.             st1++;
  24.         }
  25.     }
  26.     int[] sr = new int[st1];
  27.     int[] sr2 = new int[st1];
  28.     int t = 0;
  29.     for(int i = 0; i <= st.length()-1; i++) {
  30.         for(int j = 0; j < st1-1; j++){
  31.             if(t == st1-1){
  32.                break;
  33.            }
  34.             if(sr[j] != result[j]){
  35.                 sr[t] = result[j];
  36.                 t++;
  37.             }
  38.         }
  39.     }
  40.  
  41.     for(int i = 0; i <= st.length()-1; i++){
  42.         for(int j = 0; j < st1; j++){
  43.             if(result[i] == sr[j]){
  44.                 sr2[j] = sr2[j]+1;
  45.             }
  46.       }
  47.     }
  48.     int ss = 0;
  49.     for(int i = 0;i<= st1-1; i++){
  50.         for(int j = 0; j < st1-1; j++){
  51.             if(sr2[j] > sr2[j+1]){
  52.                 ss = sr2[j];
  53.                 sr2[j] = sr2[j+1];
  54.                 sr2[j+1] = ss;
  55.             }
  56.         }
  57.     }
  58.     for(int i = 0; i < st1; i++) {
  59.         System.out.println(sr[i]+" "+sr2[i]);
  60.     }
  61.   }
  62. }
Success #stdin #stdout 0.15s 58860KB
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stdin
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AAABBC
stdout
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65 0
65 3
0 3
https://ideone.com/YvkrxY
language:
Java (12.0.1)
created:
31 days ago
visibility:
public

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