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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. string n;
  4. int cnt;
  5. int main() {
  6.     cin >> n;
  7.     if (n.length()&1) {
  8.         cout << "NO";
  9.         return 0;
  10.     }
  11.     for (int i=0; i<n.length(); i++)
  12.         if (i<n.length()/2)
  13.             cnt += (n[i]-'0');
  14.         else
  15.             cnt -= (n[i]-'0');
  16.     cout << (cnt==0 ? "YES" : "NO"); 
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 4408KB
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stdin
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1423
stdout
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YES
https://ideone.com/XByJsW
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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