제출 #427167

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
427167		AmineTrabelsi	모임들 (IOI18_meetings)	C++14	0 / 100	5584 ms	2180 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
vector<long long> minimum_costs(vector<int> H, vector<int> L,
                                     vector<int> R) {
  int Q = L.size();
  vector<long long> C(Q);
  auto mx = [&](int l,int r){
    int res = 0;
    for(int i=l;i<=r;i++)res = max(res,H[i]);
    return res;
  };
  auto choose = [&](int ind,int l,int r){
    long long res = 0;
    for(int i=l;i<=r;i++){
      if(i <= ind)res += mx(i,ind);
      else res += mx(ind,i);
    }
    return res;
  };
  for(int i=0;i<Q;i++){
    int l = L[i], r = R[i];
    long long ans =1e18;
    //cerr<<i<<": ";
    for(int j=l;j<=r;j++){
      ans = min(ans,choose(j,l,r));
      //cerr<<j<<" "<<ans<<'\n';
    }
    C[i] = ans;
  }
  return C;
}

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