显示代码纯文本
#include<bits/stdc++.h>
using namespace std;
int t,n;
struct node{
int u,id,f;
}a[200005];
bool cmp1(node c,node b){
return c.u>b.u;
}
bool cmp2(node c,node b){
if(c.id==b.id){
return c.u>b.u;
}return c.id<b.id;
}
int main(){
// freopen("Lineup.in","r",stdin);
// freopen("Lineup.out","w",stdout);
cin>>t;
while(t--){
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i].u;
a[i].id=i;
}
sort(a+1,a+n+1,cmp1);
int kk=1;
for(int i=1;i<n;i++){
if(a[i+1].id<a[i].id){
if(a[i+1].id>a[i-kk].id&&a[i].u!=a[i+1].u){
a[i].id=a[i+1].id;
kk=1;
}
if(a[i].u==a[i+1].u)kk++;
break;
}
}
sort(a+1,a+n+1,cmp2);
a[n].f=a[n].u;
for(int i=n-1;i>=1;i--){
a[i].f=max(a[i].u,a[i+1].f);
}
// for(int i=1;i<=n;i++){
// cout<<a[i].u<<" "<<a[i].f<<endl;
// }
for(int i=1;i<=n;i++){
if(a[i].u==a[i].f){
cout<<a[i].u<<" ";
}
}cout<<"\n";
}
return 0;
}