Submission #944125

#	Time	Username	Problem	Language	Result	Execution time	Memory
944125		beepbeepsheep	Meetings (IOI18_meetings)	C++17	4 / 100	326 ms	2900 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll inf=1e18;
std::vector<long long> minimum_costs(std::vector<int> H, std::vector<int> L,
                                     std::vector<int> R) {
    ll n=H.size();
    ll q=L.size();
    vector<ll> ans;
    ll arr[3005];
    for (int i=0;i<q;i++){
        ll tot=inf;
        for (int j=L[i];j<=R[i];j++){
            ll curr=0;
            memset(arr,0,sizeof(arr));
            arr[j]=H[j];
            for (int k=j-1;k>=L[i];k--){
                arr[k]=max<ll>(arr[k+1],H[k]);
            }
            for (int k=j+1;k<=R[i];k++){
                arr[k]=max<ll>(arr[k-1],H[k]);
            }
            for (int k=L[i];k<=R[i];k++) curr+=arr[k];
            tot=min(tot,curr);
        }
        ans.emplace_back(tot);
    }
    return ans;
}

Compilation message (stderr)

meetings.cpp: In function 'std::vector<long long int> minimum_costs(std::vector<int>, std::vector<int>, std::vector<int>)':
meetings.cpp:8:8: warning: unused variable 'n' [-Wunused-variable]
    8 |     ll n=H.size();
      |        ^

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