Source Code
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <stack>
#include <map>
#include<math.h>
#include <string.h>
using namespace std;
typedef vector<int> vi ;
typedef long long ll;
#define all(x) (x).begin() , (x).end()
#define allR(x) (x).rbegin() , (x).rend()
#define pb push_back
const int N = 3e5+5, MX=2e9;
int a[N];
int main(){ 
    // freopen("input.txt", "r", stdin);
    
    int T;
    cin >> T;
    while ( T-- ){
        int n;
        scanf("%d", &n);
        vector<pair<int,int>> v;
        for(int i=0 ; i<n ; i++){
            scanf("%d", a+i);
            v.pb({a[i]+i+1, i+1});
        }
        sort(all(v));
        for(int i=n-2 ; i>=0 ; i-- )
            v[i].second = min( v[i].second , v[i+1].second );

        for(int i=0 ; i<n ; i++ ){
            int x = i+1-a[i];
            auto it = lower_bound(v.begin(), v.end(), make_pair(x,-MX) );
            if ( it == v.end() )
                cout << -1 <<" ";
            else
            cout << it->second <<" ";
        }
        puts("");
    }
}
Copy
Easy challenge? Rand()
GNU G++17
145 ms
4.1 MB
Wrong Answer