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;
}
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