C语言300-400范围内素数列表

include

include

bool is_prime(int num) {

if (num <= 1) return false;

for (int i = 2; i * i <= num; ++i) {

if (num % i == 0) return false;

}

return true;

}

int main() {

printf("300-400范围内的素数有:\n");

for (int i = 300; i <= 400; ++i) {

if (is_prime(i)) printf("%d ", i);

}

printf("\n");

return 0;

}

txt 文件大小:220B