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Jan 17th, 2019
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C++ 0.23 KB | None | 0 0
  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3.  
  4. using namespace std;
  5.  
  6.  
  7. int main() {
  8.     long long a;
  9.     cin >> a;
  10.  
  11.     for (int i = 0; i <= a; i++){
  12.         if ((a & i) == (a ^ i)) { cout << i; return 0;}
  13.     }
  14.     return 0;
  15. }
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