Give an array A, the index starts from 1.
Now we want to know Bi=max {  Aj  |  i?j  }, i≥2.

 

The first line of the input gives the number of test cases T; T test cases follow.
Each case begins with one line with one integer n : the size of array A.
Next one line contains n integers, separated by space, ith number is Ai.

Limits
T≤20
2≤n≤100000
1≤Ai≤1000000000
∑n≤700000

For each test case output one line contains n-1 integers, separated by space, ith number is Bi+1.

 

 

 

Source

2017 Multi-University Training Contest - Team 6

 

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#include <iostream>
#include<cstdio>
#include<algorithm>
#include<queue>
#include<map>
#include<vector>
#include<cmath>
#include<cstring>
#include<bits/stdc++.h>

using namespace std;

 long long b[100005];
 int T,n;

struct node
{
    long long k;
    int id;
}a[100005];
bool cmp(node a,node b)
{
    return a.k>b.k;
}

int main()
{
    scanf("%d",&T);
    while(T--)
    {
        scanf("%d",&n);
        memset(b,0,sizeof(b));
        for(int i=1;i<=n;i++)
        {
            scanf("%lld",&a[i].k);
            a[i].id=i;
        }
        sort(a+1,a+n+1,cmp);
        int tmp=n-1;
        for(int i=1;i<=n && tmp>0;i++)
        {
            for(int j=2;j<=n && tmp>0;j++)
            {
                if (b[j]==0 && a[i].id%j!=0)
                    b[j]=a[i].k,tmp--;
            }
        }
        for(int i=2;i<=n;i++)
        {
            if (i-2) printf(" ");
            printf("%d",b[i]);
        }
        printf("\n");
    }
    return 0;
}