제출 #1228597

#제출 시각아이디문제언어결과실행 시간메모리
1228597gry3125Bikeparking (EGOI24_bikeparking)C++20
25 / 100
83 ms4940 KiB
#include <bits/stdc++.h> #define pb push_back #define all(v) (v).begin(),(v).end() #define ll long long int using namespace std; int main() { ll n; cin >> n; vector<ll> x(n), y(n); for (int i = 0; i < n; i++) cin >> x[i]; for (int i = 0; i < n; i++) cin >> y[i]; ll cur = 1, r = 0; for (int i = 0; i < n; i++) { while (x[i] != 0 && cur < n) { if (y[cur] == 0 || cur <= i) { cur++; continue; } if (y[cur] < x[i]) { x[i] -= y[cur]; r += y[cur]; y[cur] = 0; } else { y[cur] -= x[i]; r += x[i]; x[i] = 0; } } } for (int i = 0; i < n; i++) { if (x[i] > 0 && y[i] > 0) { y[i] = max(0LL, y[i]-x[i]); } } for (int i = 0; i < n; i++) r -= y[i]; cout << r; return 0; }
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