제출 #1087533

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1087533		Noname_1900	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	14 ms	1884 KiB

ricehub

#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;
int besthub(int R, int L, int X[], long long B)
{
  int nbRiz = R, maxPos = L;
  long long argent = B;
  //vector<pair<int, int>>
  int debTaille = 1, finTaille = nbRiz+1;
  while(debTaille < finTaille-1)
  {
  //  cout << debTaille << " " << finTaille << " : ";
      int milieu = (debTaille+finTaille)/2;
   //   cout << milieu << endl;
      int mediane = X[(milieu-1)/2];
      bool marche = false;
      long long combienCout = 0;

      for(int i = 0; i < milieu; i++)
      {
        combienCout += abs(mediane-X[i]);
      }
    //  cout << mediane<< " " << combienCout << endl;
      if(combienCout <= argent)
      {
        debTaille = milieu;
        continue;
      }
      for(int i = milieu; i < nbRiz; i++)
      {
        int ancMEdiane = mediane;
          
          
          mediane = X[(i+(i-milieu+1))/2];
          combienCout -= abs(ancMEdiane-X[i-milieu]);
          combienCout += abs(mediane-X[i]);
          if(milieu % 2 == 0) combienCout -= abs(mediane-ancMEdiane);
          //combienCout += abs(ancMEdiane-mediane);
        //  |c||||a|||||c|
      //  cout << mediane<< " " << combienCout << endl;
          if(combienCout <= argent)
          {
            debTaille = milieu;
            marche = true;
            break;
          }
      }
      if(!marche)
        finTaille = milieu;
  }
  return debTaille;
}

컴파일 시 표준 에러 (stderr) 메시지

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:6:18: warning: unused variable 'maxPos' [-Wunused-variable]
    6 |   int nbRiz = R, maxPos = L;
      |                  ^~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 32 / 32