Submission #40210

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
40210	2018-01-29T18:09:23 Z	igzi	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KB

gap

#include <bits/stdc++.h>
#include "gap.h"
 
using namespace std;
 
long long findGap(int t,int n){
    if(t==1){
    long long l=0,d=n+1,a[100005],m=0,i;
    for(i=0;i<n;i++){
        a[i]=-5;
    }
    a[0]=-1;
    a[n+1]=1000000000000000005;
    for(i=1;i<=(n+1)/2;i++){
        MinMax(a[l]+1,a[d]-1,&a[l+1],&a[d-1]);
        l++; d--;
    }
    for(i=2;i<=l;i++){
        m=max(m,a[i]-a[i-1]);
    }
    if(l+1==d) m=max(m,a[d]-a[l]);
    for(i=d+1;i<n+1;i++){
        m=max(m,a[i]-a[i-1]);
    }
    return m;}
    else{
        long long a,b,ans,last,s,e;
        MinMax(-1,1000000000000000005,&a,&b);
      last=a;
        if(n==2) return b-a;
        long long d=(b-a-2)/(n-1);
        ans=0;
        for(s=a+1,e=a+d+1;e<b;s+=d+1,e+=d+1){
            long long mi,ma;
            MinMax(s,e,&mi,&ma);
            if(mi!=-1){
                ans=max(ans,mi-last);
                last=ma;
            }
        }
        long long mi,ma;
        MinMax(s,b-1,&mi,&ma);
        if(mi==-1) ans=max(ans,b-last);
        else ans=max(ans,mi-last);
        return ans;
    }
  return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:47:10: error: 'ans' was not declared in this scope
   return ans;
          ^