Submission #946285

#	Time	Username	Problem	Language	Result	Execution time	Memory
946285		simona1230	Gap (APIO16_gap)	C++17	16.91 / 100	66 ms	3120 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;

long long ans,mn,mx;
void solve(long long l,long long r)
{
    long long mn1,mx1;
    long long m=(l+r)/2;
    MinMax(l,m,&mn1,&mx1);
    if(mn1==-1)
    {
        solve(m+1,r);
        return;
    }
    long long mn2,mx2;
    MinMax(m+1,r,&mn2,&mx2);
    if(mn1!=-1&&mn2!=-1)ans=max(ans,mn2-mx1);

    if(mx1-mn1>mx2-mx2)
    {
        if(mn1!=-1&&mx1-mn1>=ans)solve(mn1,mx1);
        if(mn2!=-1&&mx2-mn2>=ans)solve(mn2,mx2);
    }
    else
    {
        if(mn2!=-1&&mx2-mn2>=ans)solve(mn2,mx2);
        if(mn1!=-1&&mx1-mn1>=ans)solve(mn1,mx1);
    }
}

long long findGap(int t,int n)
{
    solve(0,1e18);
    return ans;
}

• Subtask 1: 0 / 30
• Subtask 2: 16.9083288594 / 70