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답안 #64674

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
64674 2018-08-05T11:14:11 Z Abelyan 쌀 창고 (IOI11_ricehub) C++17
컴파일 오류
 0 ms 0 KB 
#include "ricehub.h"
#include <bits/stdc++.h>
typedef long long ll;
const int N=100050;
ll sum[N];
ll sm(int l, int r){
  return sum[r]-sum[l-1];
}
int besthub(int n, int l, int x[], ll b)
{
	int i;
	for(i=1;i<=n;i++) sum[i]=sum[i-1]+x[i];
	int r=n,l=1,mid,ans=1;
	while(top>=bot)
	{
		mid=(l+r)/2;
		bool ok=0;
		for(i=mid;i<=n;i++)
		{
			int L=i-mid+1;
			int R=i;
			int M=(L+R)/2;
			ll cost=(ll)(M-L+1)*x[M]-sm(L,M);
			cost+=sm(M,R)-(ll)(R-M+1)*x[M];
			if(cost<=b){ ok=1;break;}
		}
		if(ok) ans=mid,l=mid+1;
		else r=mid-1;
	}
	return ans;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, ll)':
ricehub.cpp:13:10: error: declaration of 'int l' shadows a parameter
  int r=n,l=1,mid,ans=1;
          ^
ricehub.cpp:14:8: error: 'top' was not declared in this scope
  while(top>=bot)
        ^~~
ricehub.cpp:14:13: error: 'bot' was not declared in this scope
  while(top>=bot)
             ^~~
ricehub.cpp:14:13: note: suggested alternative: 'abort'
  while(top>=bot)
             ^~~
             abort