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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4.  
  5. int main()
  6. {
  7.     int t ;
  8.     scanf("%d",&t);
  9.     for(int cs = 1; cs<=t ; cs++)
  10.     {
  11.         int n,prime = 1;
  12.         scanf("%d",&n);
  13.  
  14.         if(n==1 || n%2 == 0)
  15.         {
  16.             printf("Not Prime\n");
  17.             continue;
  18.         }
  19.         else if(n==2 || n == 3)
  20.         {
  21.             printf("Prime\n");
  22.             continue;
  23.         }
  24.         else
  25.         {
  26.             for(int i = 5 ; i<=sqrt(n) ; i+=2 )
  27.             {
  28.                 if(n%i == 0)
  29.                 {
  30.                     printf("Not Prime\n");
  31.                     prime = 0;
  32.                    continue;
  33.                 }
  34.             }
  35.         }
  36.         if(prime)
  37.             printf("Prime\n");
  38.     }
  39.  
  40.     return 0;
  41. }
  42.  
Success #stdin #stdout 0s 4496KB
comments (?)
stdin
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5
3
7
67
69
1001
stdout
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Prime
Prime
Prime
Prime
Not Prime
Not Prime
Not Prime
https://ideone.com/4P6KBm
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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