Submission #560941

#	Time	Username	Problem	Language	Result	Execution time	Memory
560941		karrigan	Gap (APIO16_gap)	C++14	Compilation error	0 ms	0 KiB

gap

#include<bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(false);cin.tie(nullptr);
#include "gap.h"
using namespace std;
const int maxn=1e6;
using ll=long long int;
long long a[100009];
long long findGap(int t, int n){
    if (t==1){
        a[0]=-1;
        a[n+1]=2e18;
        for (int i=1,j=n;i<=j;i++,j--){
            MinMax(a[i-1]+1, a[j+1]-1, &a[i], &a[j]);
        }
        long long ans=-1;
        for (int i=2;i<=n;i++){
            ans=max(ans,a[i]-a[i-1]);
        }
        return ans;
    }
    else {
        MinMax(0,1e18,&a[1],&a[n]);
        long long l=a[1];
        long long temp=(a[n]-a[1])/(n-1);
        long long ans=-1;
        for (long long ret=l;ret<=a[n];ret+=temp+1){
            long long mn,mx;
            MinMax(ret,ret+temp,&mn,&mx);
            ans=max(ans,mn-r);
            l=mn,r=mx;
            ret=r+1;
        }
        return ans;
    }
}
 

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:29:28: error: 'r' was not declared in this scope
   29 |             ans=max(ans,mn-r);
      |                            ^