需要注意的细节就是平均数是有小数点的
#include <stdio.h>
int main() {
int n, nums[100];
double average;
while(scanf("%d", &n) != EOF) {
average = 0;
for(int i = 0; i < n; i++) {
scanf("%d", &nums[i]);
average += nums[i];
}
average /= n;
for(int i = 0; i < n; i++) {
if(nums[i] < average) {
printf("%d ", nums[i]);
}
}
printf("\n");
}
return 0;
}