Submission #823347

#	Time	Username	Problem	Language	Result	Execution time	Memory
823347		Trumling	Meetings (IOI18_meetings)	C++14	0 / 100	1 ms	212 KiB

meetings

#include "meetings.h"
#include<bits/stdc++.h>
using namespace  std;
#define F first 
#define S second 
#define all(x) x.begin(),x.end()  
typedef long long ll;
#define INF 99999999999999999
#define pb  push_back
/*
ll seg[2000000];
void build(int  l,int r,int idx)
{
    if(l==r)
    {
        seg[idx]=h[l];
        return;
    }
    build(l,(l+r)/2,idx*2);
    build((l+r)/2,r,idx*2+1);

    seg[idx]=max(seg[idx*2],seg[idx*2+1]);
}
*/
vector<long long> minimum_costs(vector<int> H, std::vector<int> L,
                                     std::vector<int> R) {
    ll Q=L.size();
    ll N=H.size();
    vector<ll>C(Q,INF);
    vector<vector<ll>>v(N,vector<ll>(N,0));
    for(int i=0;i<N;i++)
    {
        ll maxi=-1;
            for(int c=i;c>=0;c--)
            {
                maxi=max(maxi,(ll)H[c]);
                v[i][c]=((c==N)?0:v[i][c+1])+maxi;
            }
            maxi=H[i];
            for(int c=i+1;c<=N-1;c++)
            {
            maxi=max(maxi,(ll)H[c]);
            v[i][c]=v[i][c-1]+maxi;
            }
    }

    for(int i=0;i<Q;i++)
        for(int j=L[i];j<=R[i];j++)
                C[i]=min(C[i],v[j][L[i]]+v[j][R[i]]);
            

    return C;
    
        
}

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