Submission #361297

#	Time	Username	Problem	Language	Result	Execution time	Memory
361297		tuank99lhp	Gap (APIO16_gap)	C++17	100 / 100	65 ms	2156 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
long long b[100005];
 
long long findGap(int T,int N)
{
    if (T==1)
    {
        b[0]=-1;
        b[N+1]=1e18;
        ++b[N+1];
        for (int i=1;i<=(N+1)/2;++i) {
                if (i>N/2)
                {
                    long long x,y;
                    MinMax(b[i-1]+1,b[N-i+2]-1,&x,&y);
                    b[i]=x;
                }
                else MinMax(b[i-1]+1,b[N-i+2]-1,&b[i],&b[N-i+1]);
        }
        long long kq=0;
        for (int i=2;i<=N;++i) kq=max(kq,b[i]-b[i-1]);
        return kq;
    }
    else
    {
        long long x,y;
        MinMax(0,1e18,&x,&y);
        long long X=(y-x+N-1)/N;
        long long kq=X;
        b[0]=x;
        for (int i=1;i<=N;++i)
        {
            if (x+X*(i-1)+1>y) break;
            long long h,k;
            MinMax(x+X*(i-1)+1,min(y,x+X*i),&h,&k);
            if (k==-1) b[i]=b[i-1];else b[i]=k;
            kq=max(kq,h-b[i-1]);
        }
        return kq;
    }
}

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