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  1. #include <iostream>
  2. #include <cstring>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	char s[2001];
  8.     int nr, p1 = -1, m;
  9.     cin.getline(s, 2001, 0);
  10.     int lg = strlen(s);
  11.     for (int a = 0; a < lg; ++a){
  12.         cin >> s[a];
  13.         if (isalpha(s[a]) && isalpha(s[a + 1]) && p1 == -1)
  14.                 p1 = a;
  15.         if ((!isalpha(s[a]) || cin.eof()) && p1 != -1){
  16.                     nr = a - p1;
  17.                     m = nr / 2;
  18.                     for (int i = p1; i < p1 + m; ++i){
  19.                         if (s[i] != s[i + nr - m])
  20.                         swap(s[i], s[i + nr - m]);
  21.                     }
  22.                     p1 = -1;
  23.             }
  24.         }
  25.     cout << s;
  26.  
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/jWKlDP
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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