Submission #234050

#	Time	Username	Problem	Language	Result	Execution time	Memory
234050		DanerZein	Rice Hub (IOI11_ricehub)	C++14	68 / 100	1093 ms	1912 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
long long ma=-1;
int besthub(int R, int L, int X[], long long B){
  if(R<=500){ ma=-1;
  for(int i=0;i<R;i++){
    for(int j=i;j<R;j++){
      // cout<<i<<" "<<j<<endl;
      vector<int>rp;
      for(int k=i;k<=j;k++){
	rp.push_back(X[k]);
      }
      int mi=(i+j)/2;
      mi=X[mi];
      //  cout<<i<<" "<<j<<endl;
      bool sw=0;
      long long b=B;
      for(int k=0;k<rp.size();k++){
	
	b-=abs(mi-rp[k]);
	if(b<0){
	  sw=1;
	  break;
	}
	//c++;
      }
      if(sw==0){
	//	cout<<i<<" "<<j<<" "<<rp.size()<<endl;
	long long tam=rp.size();
	ma=max(ma,tam);
      }
    }
  }
  return ma;
}
  else{
  vector<ll>T;
  T.push_back(0);
  for(int i=0;i<R;i++){
    T.push_back(X[i]+T[T.size()-1]);
  }
  for(int i=0;i<R;i++){
    for(int j=i+1;j<R;j++){
      ll mi=(i+j)/2;
      if((mi-i)*X[mi]-(T[mi]-T[i])+(T[j+1]-T[mi+1])-(j-mi)*X[mi]<=B){
	ma=max(ma,(ll)(j-i)+1);
      }
    }
  }
  return ma;}
}

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:20:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int k=0;k<rp.size();k++){
                   ~^~~~~~~~~~

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