| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1330214 | AMel0n | Bikeparking (EGOI24_bikeparking) | C++20 | 29 ms | 4932 KiB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e18;
signed main() {
cin.tie(0); ios::sync_with_stdio(false);
ll N;
cin >> N;
vector<ll> X(N), Y(N);
for(ll i = 0; i < N; i++) cin >> X[i];
for(ll i = 0; i < N; i++) cin >> Y[i];
ll j = N-2;
ll res = 0;
for(ll i = N-1; i >= 0; i--) {
while (j >= 0 && (j >= i || !X[j])) j--;
while(j >= 0 && j < i && Y[i]) {
ll d = min(X[j], Y[i]);
res += d;
X[j] -= d;
Y[i] -= d;
if (!X[j]) j--;
}
}
for(ll i = 0; i < N; i++) {
ll d = min(X[i], Y[i]);
X[i] -= d;
Y[i] -= d;
}
for(ll i = 0; i < N; i++) {
res -= Y[i];
}
cout << res;
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