202401-programming-assignments/【实践课外】10.函数1/6-6 使用函数求素数和.c

int prime(int p) {
    if (p <= 1) return 0;

    for (int i = 2; i * i <= p; i++) {
        if (p % i == 0) return 0;
    }

    return 1;
}

int PrimeSum(int m, int n) {
    int sum = 0;

    for (int i = m; i <= n; i++) {
        if (prime(i)) sum += i;
    }

    return sum;
}