Submission #1237772

#	Time	Username	Problem	Language	Result	Execution time	Memory
1237772		clemmy14	Bikeparking (EGOI24_bikeparking)	C++20	40 / 100	1096 ms	13480 KiB

Main

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

signed main() {
    int n; cin >> n;
    vector<int> x(n), y(n), a, b;
    for(int i=0; i<n; i++) {
        cin >> x[i];
        for(int j=0; j<x[i]; j++) a.push_back(i);
    }
    for(int i=0; i<n; i++) {
        cin >> y[i];
        for(int j=0; j<y[i]; j++) b.push_back(i);
    }
    int ans=-1e12;
    for(int j=0; j<b.size(); j++) {
        int cur=0, aa=0;
        for(int i=j; i<b.size(); i++) {
            if(a[aa] < b[i]) cur++;
            else if(a[aa] > b[i]) cur--;
            aa++;
        }
        for(int i=j-1; i>=0; i--) {
            if(a[aa] < b[i]) cur++;
            else if(a[aa] > b[i]) cur--;
            aa++;
        }
        ans=max(ans, cur);
    }
    cout << (ans == -1e12 ? 0 : ans);
    return 0; 
}

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