Submission #355591

#	Time	Username	Problem	Language	Result	Execution time	Memory
355591		David_M	쌀 창고 (IOI11_ricehub)	C++14	Compilation error	0 ms	0 KiB

ricehub

#include "ricehub.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=100005;
ll ans, pref[N], l, r, m;
bool check(){
	m=l+r>>1;
	ll b=pref[r]+(l>0)*pref[l-1]-(m>0)*2*pref[m];
	if((l+r)%2==0) b+=(ll)X[m];
	return b<=B;
}
int besthub(int R,int L,int X[],ll B){
	for (int i=0; i<R; i++)pref[i]=X[i]+(i>0)*pref[i-1];
	for (r=0; r<R; r++){
		while(l<r&&!check())l++;
		ans=max(ans, r-l+1);
	}
	return ans;
}

Compilation message (stderr)

ricehub.cpp: In function 'bool check()':
ricehub.cpp:8:5: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    8 |  m=l+r>>1;
      |    ~^~
ricehub.cpp:10:24: error: 'X' was not declared in this scope
   10 |  if((l+r)%2==0) b+=(ll)X[m];
      |                        ^
ricehub.cpp:11:12: error: 'B' was not declared in this scope
   11 |  return b<=B;
      |            ^