Submission #1232371

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232371		VMaksimoski008	Meetings (IOI18_meetings)	C++20	19 / 100	5591 ms	4936 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

vector<ll> minimum_costs(vector<int> a, vector<int> L, vector<int> R) {
    int q = L.size(), n = a.size();
    vector<ll> ans(q, 1e18), pref(n), suf(n);

    for(int i=0; i<n; i++) {
        pref[i] = suf[i] = a[i];

        int mx = a[i];
        for(int j=i-1; j>=0; j--) {
            mx = max(mx, a[j]);
            pref[j] = pref[j+1] + mx;
        }

        mx = a[i];
        for(int j=i+1; j<n; j++) {
            mx = max(mx, a[j]);
            suf[j] = suf[j-1] + mx;
        }

        for(int j=0; j<q; j++) {
            ans[j] = min(ans[j], pref[L[j]] + suf[R[j]] - a[i]);
        }
    }

    return ans;
}

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 0 / 17
• Subtask 4: 0 / 24
• Subtask 5: 0 / 40