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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. const int MAX_SIZE = 1000;
  6.  
  7. bool isLetter(char c) {
  8.     return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
  9. }
  10.  
  11. void transformText(char text[]) {
  12.     int length = strlen(text), wordPos = 0;
  13.     for (int i = 0; i < length; ++i) {
  14.         if (isLetter(text[i])) {
  15.             if (isLetter(text[i + 1])) {
  16.                 if (wordPos % 2 == 0) {
  17.                     char aux = text[i + 1];
  18.                     text[i + 1] = text[i];
  19.                     text[i] = aux;
  20.                 }
  21.             } else if (wordPos % 2 == 0)  {
  22.                 text[i] = '0';
  23.             }
  24.             ++wordPos;
  25.         } else {
  26.             wordPos = 0;
  27.         }
  28.     }
  29. }
  30.  
  31. int main() {
  32.     char text[MAX_SIZE + 1];
  33.     while (cin.getline(text, MAX_SIZE + 1)) {
  34.         transformText(text);
  35.         cout << text << '\n';
  36.     }
  37. }
Success #stdin #stdout 0.01s 5272KB
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Daniel are mere
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aDinle ra0 emer
https://ideone.com/coRMiq
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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