Submission #1521467

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int n;
	cin >> n;
	int cnt = 0;
	ll ans;
	cin >> ans;
	for (int i = 1; i < n; i++) {
		char op;
		int a;
		cin >> op >> a;
		if (op == '-') cnt++;
		if (cnt % 2 == 0) ans += a;
		else ans -= a;
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result