제출 #64674

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
64674		Abelyan	Rice Hub (IOI11_ricehub)	C++17	컴파일 에러	0 ms	0 KiB

ricehub

#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;
}

컴파일 시 표준 에러 (stderr) 메시지

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