余晓洁老牧师 · 发布于 2026-01-06 · 浏览 202 回复 0

#include <bits/stdc++.h>
using namespace std;

/*O(n)
!=
*/
int main() {
	unsigned long long n, m, total = 0;
	cin >> n;
	for (int in = 0; in < n; in++) {
		cin >> m;
		if (m % 10 != 7) {
			total += m;
		}
	}
	cout << total;
}