题解 | #牛牛的素数判断#

#include <stdio.h>

int main() {
    int a,count = 0,n = 0;
    scanf("%d\n",&n);
    int arr[n];
    for (int i = 0; i < n; i++) {
       scanf("%d\n",&arr[i]);
       for (int j = 1; j<= arr[i]; j++) {
            if (arr[i]%j==0) {
                count++;
            }
       }
       if (count==2) {
        printf("true\n");
        count =0;
       }else {
        printf("false\n");
        count = 0;
       }
    }
    return 0;
}