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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. bool snt(long n)
  5. {
  6.     if(n < 2) return 0;
  7.     for(int i = 2; 1ll * i * i <= n; i++) if(n % i == 0) return 0;
  8.     return 1;
  9. }
  10.  
  11. int main() 
  12. {
  13.     long p;
  14.     for(int u = 1; u <= 11; u++)
  15.     {
  16.         cin >> p;
  17.         cout << snt(p) << '\n';
  18.     }
  19.     return 0;
  20. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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3
7
31
127
2047
8191
131071
524287
8388607
536870911
2147483647
stdout
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1
1
1
1
0
1
1
1
0
0
1
https://ideone.com/UaNH5M
language:
C++ (gcc 8.3)
created:
13 hours ago
visibility:
public

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