Submission #75088

#	Time	Username	Problem	Language	Result	Execution time	Memory
75088		faustaadp	Meetings (IOI18_meetings)	C++17	0 / 100	2 ms	376 KiB

meetings

#include "meetings.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,i,j,ma[5050][5050],kan[5050][5050],kir[5050][5050],has;
std::vector<long long> minimum_costs(std::vector<int> H, std::vector<int> L,
                                     std::vector<int> R) {
    n=H.size();
    for(i=0;i<n;i++)
    {
        ma[i][i]=H[i];
        for(j=i+1;j<n;j++)
            ma[i][j]=max(ma[i][j-1],(ll)H[j]);
    }
    for(i=0;i<n;i++)
    {
        kan[i][i]=H[i];
        for(j=i+1;j<n;j++)
            kan[i][j]=kan[i][j-1]+ma[i][j];
    }
    for(i=0;i<n;i++)
    {
        kir[i][i]=H[i];
        for(j=i-1;j>=0;j--)
            kir[i][j]=kir[i][j+1]+ma[j][i];
    }
    /*for(i=0;i<n;i++)
        for(j=i;j<n;j++)
        {
            cout<<i<<" "<<j<<" "<<kir[j][i]<<" "<<kan[i][j]<<" "<<ma[i][j]<<"\n";
        }*/
    int Q = L.size();
    std::vector<long long> C(Q);
    for (int TC = 0; TC < Q; ++TC)
    {
        has=1e18;
        for(i=L[TC];i<R[TC];i++)
            has=min(has,kir[i][L[TC]]+kan[i+1][R[TC]]);
        C[TC]=has;
    }
    return C;
}

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