Submission #383159

#	Time	Username	Problem	Language	Result	Execution time	Memory
383159		ScarletS	Just Long Neckties (JOI20_ho_t1)	C++17	0 / 100	1 ms	364 KiB

ho_t1

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

const int N = 2e5+7;
int seg[N<<2];

void update(int i, int cL, int cR, int l, int r, int x)
{
    if (cR<l||r<cL)
        return;
    if (l<=cL&&cR<=r)
    {
        seg[i]=max(seg[i],x);
        return;
    }
    update(i*2+1,cL,cL+(cR-cL)/2,l,r,x);
    update(i*2+2,cL+(cR-cL)/2+1,cR,l,r,x);
}

void ans(int i, int l, int r)
{
    if (l==r)
    {
        cout<<seg[i]<<" ";
        return;
    }
    seg[i*2+1]=max(seg[i*2+1],seg[i]);
    seg[i*2+2]=max(seg[i*2+2],seg[i]);
    ans(i*2+1,l,l+(r-l)/2);
    ans(i*2+2,l+(r-l)/2+1,r);
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n;
    cin>>n;
    int a[n+2],b[n+1];
    for (int i=1;i<=n+1;++i)
        cin>>a[i];
    for (int i=1;i<=n;++i)
        cin>>b[i];
    sort(a+1,a+n+2);
    sort(b+1,b+n+1);
    for (int i=1;i<=n;++i)
    {
        update(0,1,n+1,1,i,abs(b[i]-a[i+1]));
        update(0,1,n+1,i+1,n+1,abs(b[i]-a[i]));
    }
    ans(0,1,n+1);
    return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 8
• Subtask 3: 0 / 91