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  1. #include <cstdio>
  2. using namespace std;
  3.  
  4. inline int gcd(int a, int b){
  5.     while(b) b ^= a ^= b ^= a %= b;
  6.     return a;
  7. }
  8.  
  9. int main()
  10. {
  11.     int a, b, c;
  12.     scanf("%d %d", &a, &b);
  13.     c = (a + b)/gcd(a, b);
  14.     printf("%d\n", (a == b || c == (c & (-c))));
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0s 3100KB
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https://ideone.com/OxWVLi
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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