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  1. #include <iostream>
  2. using namespace std;
  3. string stringCompression(string A) {
  4.     int index = 0; char character = ' '; int count = 1; string convertInt = ""; int initial_index = 0, length = A.length();
  5.     while (index <A.length()) {
  6.         character = A[index];
  7.         initial_index = index;
  8.         index++;
  9.         while (index<=A.length() && A[index] == character)
  10.         {
  11.             count++;
  12.             index++;
  13.         }
  14.         if (count > 1)
  15.         {
  16.             convertInt = to_string(count);
  17.             A.erase((initial_index+1), count-1);
  18.             A.insert(initial_index+1, convertInt);
  19.             index =  initial_index+convertInt.length()+1;
  20.             count = 1;
  21.         }
  22.     } 
  23.     return A;
  24. }
  25. int main()
  26. {
  27.     cout << stringCompression("")<<endl ;
  28.     cout << stringCompression("abcde")<<endl ;
  29.     cout << stringCompression("aabcccccaaa")<<endl;
  30. }
Success #stdin #stdout 0s 4368KB
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stdin
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Standard input is empty
stdout
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abcde
a2bc5a3
https://ideone.com/kZ2tGX
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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