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답안 #125575

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125575 2019-07-06T02:01:45 Z ksmzzang2003 쌀 창고 (IOI11_ricehub) C++14
컴파일 오류
 0 ms 0 KB 
#include "ricehub.h"
 
#define MAXN 100005
typedef long long ll;
 
static int N; ll X[MAXN],S[MAXN];
 
ll f(int s,int e)
{
    int t = (s+e)/2;
    return S[e] - S[t] - X[t]*(e-t) +(t-s) *X[t] - (S[t-1]-S[s-1]); 
}
 
int besthub(int n, int L, int x[], ll B)
{
   N = n ;
   for(int i=0;i<N;i++) X[i+1] = x[i];
   for(int i=1;i<=N;i++) S[i] = S[i-1] + X[i];
   int s=1, e = 1,ans = -1987654321;
   while(1)
   {
       if(s+1<=e && f(s,e)>B) s++;
       ans = max(ans,e-s+1);
       e++;
       if(e>N) break;
   }
   return ans;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, ll)':
ricehub.cpp:23:14: error: 'max' was not declared in this scope
        ans = max(ans,e-s+1);
              ^~~