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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <algorithm>
  4. #include <stack>
  5. #include <queue>
  6. #include <string>
  7. #include <map>
  8. #include <cstring>
  9. #include <vector>
  10. #define MAX 100005
  11. using namespace std;
  12.  
  13. int main()
  14. {
  15.     string s;
  16.     cin >> s;
  17.     int k;
  18.     cin >> k;
  19.     int l = s.size();
  20.     bool flag = false;
  21.     if(l % k == 1 || k > l)
  22.         cout << "NO";
  23.     else{
  24.         int step = k, d = l / k;
  25.         int pos = 0;
  26.         for(int i = 1; i <= step; i++){
  27.             for(int j = pos, v = d + pos - 1; j < d + pos - 1; j++, v--){
  28.  
  29.                 if(s[j] != s[v]){
  30.                     cout << "NO";
  31.                     return 0;
  32.                 }
  33.             }
  34.             pos += d;
  35.         }
  36.         cout << "YES";
  37.     }
  38.     return 0;
  39. }
Success #stdin #stdout 0s 2732KB
comments (?)
stdin 
Standard input is empty
stdout 
NO
https://ideone.com/w3lbkh
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
public

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