Submission #646346

#TimeUsernameProblemLanguageResultExecution timeMemory
646346Tenis0206Gap (APIO16_gap)C++11
13.51 / 100
87 ms1132 KiB
#include <bits/stdc++.h>
#include "gap.h"

using namespace std;

struct nod
{
    long long val,Min,Max;
};

nod divide(long long st, long long dr)
{
    if(st > dr)
    {
        return nod{-1,-1,-1};
    }
    long long x,y;
    MinMax(st,dr,&x,&y);
    if(x==-1)
    {
        return nod{-1,-1,-1};
    }
    if(x==y)
    {
        return nod{-1,x,y};
    }
    long long mij = (x + y) >> 1;
    nod l = divide(x,mij);
    nod r = divide(mij+1,y);
    long long rez = -1;
    if(l.Max!=-1 && r.Min!=-1)
    {
        rez = max(rez,r.Min-l.Max);
    }
    rez = max(rez,l.val);
    rez = max(rez,r.val);
    long long Max = max(l.Max,r.Max);
    long long Min;
    if(l.Min==-1)
    {
        Min = r.Min;
    }
    else
    {
        Min = l.Min;
    }
    return nod{rez,Min,Max};
}

long long findGap(int t, int n)
{
    return divide(1,1e18).val;
}
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