Submission #117616

#	Time	Username	Problem	Language	Result	Execution time	Memory
117616		Osama_Alkhodairy	Meetings (IOI18_meetings)	C++17	19 / 100	937 ms	786432 KiB

meetings

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

const int N = 5001;

ll g[N][N][2];

std::vector<long long> minimum_costs(std::vector<int> H, std::vector<int> L,
                                     std::vector<int> R) {
    int n = H.size();
    int q = L.size();
    for(int i = 0 ; i < n ; i++){
        int x = H[i];
        g[i][i][0] = x;
        for(int j = i - 1 ; j >= 0 ; j--){
            x = max(x, H[j]);
            g[i][j][0] = g[i][j + 1][0] + x;
        }
        x = H[i];
        g[i][i][1] = x;
        for(int j = i + 1 ; j < n ; j++){
            x = max(x, H[j]);
            g[i][j][1] = g[i][j - 1][1] + x;
        }
    }
    vector <ll> ret;
    for(int i = 0 ; i < q ; i++){
        ll ans = 1e18;
        for(int j = L[i] ; j <= R[i] ; j++){
            ans = min(ans, g[j][L[i]][0] + g[j][R[i]][1] - H[j]);
        }
        ret.push_back(ans);
    }
    return ret;
}

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