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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int n, i, flag = 1;
  5.  
  6.     scanf("%d", &n);
  7.  
  8.     if (n <= 1) {
  9.         printf("NOT PRIME");
  10.         return 0;
  11.     }
  12.  
  13.     for (i = 2; i * i <= n; i++) {
  14.         if (n % i == 0) {
  15.             flag = 0;
  16.             break;
  17.         }
  18.     }
  19.  
  20.     if (flag)
  21.         printf("PRIME");
  22.     else
  23.         printf("NOT PRIME");
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0.03s 25660KB
comments (?)
stdin 
Standard input is empty
stdout 
#include <stdio.h>

int main() {
    int n, i, flag = 1;

    scanf("%d", &n);

    if (n <= 1) {
        printf("NOT PRIME");
        return 0;
    }

    for (i = 2; i * i <= n; i++) {
        if (n % i == 0) {
            flag = 0;
            break;
        }
    }

    if (flag)
        printf("PRIME");
    else
        printf("NOT PRIME");

    return 0;
}
https://ideone.com/1XrM60
language:
PHP (php 7.3.5)
created:
5 hours ago
visibility:
public

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