| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1173944 | nuutsnoynton | Nizin (COCI16_nizin) | C++20 | 545 ms | 119756 KiB |
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
map < ll, ll > mp;
int main() {
ll n, m, r, x, s, y, i, j, ans, t;
cin >> n;
ll a[n + 2];
s = 0;
for (i = 1; i <= n; i++) {
cin >> a[i];
s += a[i];
mp[s]= i;
}
s = 0;
ans =0;
for (i = n; i >= 1; i --) {
s += a[i];
if (mp[s] != 0 && mp[s] < i) {
ans += mp[s];
}
}
cout <<n - ans << endl;
}
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