Submission #139358

#	Time	Username	Problem	Language	Result	Execution time	Memory
139358		wilwxk	Meetings (IOI18_meetings)	C++14	0 / 100	5600 ms	1620 KiB

meetings

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

const int MAXN=1e5+5;
vector<int> h, l, r;
vector<ll> respf;

ll anda(int ini, int fim) {
	if(ini>fim) swap(ini, fim);
	ll val=-1;
	for(int i=ini; i<=fim; i++) val=max(val, (ll)h[i]);
	return val;
}

ll query(int ini, int fim) {
	ll resp=1e18;
	for(int i=ini; i<=fim; i++) {
		ll val=0;
		for(int j=ini; j<=fim; j++) val+=anda(j, i);
		resp=min(resp, val);
	}
	return resp;
} 

std::vector<long long> minimum_costs(std::vector<int> H, std::vector<int> L,
                                     std::vector<int> R) {
	h=H; l=L; r=R;
	for(int i=0; i<L.size(); i++) {
		int ini=L[i]; int fim=R[i];
		ll val=query(ini, fim);
		respf.push_back(val);
	}



	
  // int Q = L.size();
  // std::vector<long long> C(Q);
  // for (int j = 0; j < Q; ++j) {
  //   C[j] = H[L[j]];
  // }
  return respf;
}

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:30:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<L.size(); i++) {
               ~^~~~~~~~~

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