题解 | #牛牛的素数和#
牛牛的素数和
https://www.nowcoder.com/practice/d748d79f68ab443482c5547d93824f50
#include <stdio.h>
int main() {
int l, r;
int count = 0;
scanf("%d%d", &l, &r);
for (int i = l; i <= r; i++) {
int flag = 0;
for (int j = 2; j < i; j++) {
if (i % j == 0) flag = 1;
}
if (flag == 0)count += i;
}
printf("%d", count);
return 0;
}
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