题解 | #牛牛的素数判断#

#include <stdio.h>

int main() {
    int n, num;
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        scanf("%d", &num);
        int flag = 1;
        for (int j = 2; j < num; j++) {
            if (num % j == 0) {
                flag = 0;
                break;
            }
        }
        if (flag) {
            printf("true\n");
        } else {
            printf("false\n");
        }
    }
    return 0;
}