Submission #655435

#	Time	Username	Problem	Language	Result	Execution time	Memory
655435		PanTkd	Rice Hub (IOI11_ricehub)	C++14	0 / 100	89 ms	340 KiB

ricehub

#include "ricehub.h"
#include <iostream>
#include <cmath>
typedef long long ll;
using namespace std;
int besthub(int R, int L, int X[], long long B)
{
  for(ll i = R;i>=1;i--){
    ll cost = 0;
    ll med = ((i-1)/2);
    ll l = i/2;
    ll r = (i+1)/2;
    for(ll j = 0;j<i;j++){
      cost += abs(X[med]-X[j]);
    }
    if(cost<=B) return i;
    for(ll j = 0;j<=R-i;j++){
      med++;
      cost += abs(j-med)*(X[med]-X[med-1]);
      cost -= abs(i-abs(j-med-1))*(X[med]-X[med-1]);
      cost += (X[med]-X[j+i-1]);
      cost -= abs(X[med-1]-X[j-1]);
      //med+=2;
      if(cost<=B)return i;
    } 
  }
  return 1;
}

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:11:8: warning: unused variable 'l' [-Wunused-variable]
   11 |     ll l = i/2;
      |        ^
ricehub.cpp:12:8: warning: unused variable 'r' [-Wunused-variable]
   12 |     ll r = (i+1)/2;
      |        ^

• Subtask 1: 0 / 17
• Subtask 2: 0 / 25
• Subtask 3: 0 / 26
• Subtask 4: 0 / 32