Submission #1018298

#	Time	Username	Problem	Language	Result	Execution time	Memory
1018298		vjudge1	Meetings (IOI18_meetings)	C++17	19 / 100	1669 ms	786432 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
#define ll long long
#define rep(a,b,c) for(int a=b; a<c; a++)
#define repr(a,b,c) for(int a=b-1; a>c-1; a--)

using namespace std;

vector<long long> minimum_costs(vector<int> H, vector<int> L, vector<int> R) {
	int Q = L.size(), N=H.size();
	vector<long long> C(Q,1e18);
	ll ans[N][N], mx, sum;
	rep(i,0,N){
		mx=0;
		sum=-H[i];
		rep(j,i,N){
			mx=max(mx,(ll)H[j]);
			ans[i][j]=mx+sum;
			sum=ans[i][j];
		}
		mx=H[i];
		sum=0;
		repr(j,i,0){
			mx=max(mx,(ll)H[j]);
			ans[i][j]=mx+sum;
			sum=ans[i][j];
		}
	}
	rep(i,0,Q) rep(j,L[i],R[i]+1) C[i]=min(C[i],ans[j][L[i]]+ans[j][R[i]]+H[j]);
	return C;
}

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