Submission #1335955

#	Time	Username	Problem	Language	Result	Execution time	Memory
1335955		enson	Bikeparking (EGOI24_bikeparking)	C++20	40 / 100	1096 ms	19208 KiB

Main

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

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int N;
    cin >> N;
    int X[N], Y[N], U = 0, D = 0;
    set<int>S;
    for(int i = 0; i < N; i++) cin >> X[i];
    for(int i = 0; i < N; i++){
        cin >> Y[i];
        if (Y[i] != 0) S.insert(i);
    }
    for(int i = 1; i < N; i++){
        queue<int>eS;
        for(int j: S){
            if (i > j){
                eS.push(j);
                continue;
            }
            if (Y[j] >= X[j-i]) Y[j] -= X[j-i], U += X[j-i], X[j-i] = 0;
            else U += Y[j], X[j-i] -= Y[j], Y[j] = 0, eS.push(j);
        }
        while(!eS.empty()){
            S.erase(eS.front());
            eS.pop();
        }
    }
    for(int i = 0; i < N; i++){
        D += Y[i] - min(Y[i], X[i]);
    }
    cout << U-D;
}

• Subtask 1: 16 / 16
• Subtask 2: 0 / 9
• Subtask 3: 0 / 19
• Subtask 4: 24 / 24
• Subtask 5: 0 / 32