Codeforces Round 867 (Div. 3) A - TubeTube Feed Solution

                      

Problem Link : https://codeforces.com/contest/1822/problem/A

Solution in C++:

1. /// Author : AH_Tonmoy
2. #include <bits/stdc++.h>
3. using namespace std;
4. int32_t main() {
5. ios_base::sync_with_stdio(0);
6. cin.tie(0);
7. int t;
8. cin >> t;
9. while (t--) {
10. int n , ts ;
11. cin >> n >> ts ;
12. int a[n+1],b[n+1] ;
13. for ( int i = 0 ; i < n ; i++) cin >> a[i] ;
14. for ( int i = 0 ; i < n ; i++) cin >> b[i] ;
15. int ans = - 2 ;
16. for ( int i = 0 ; i < n ; i++ ) {
17. if ( i + a[i] <= ts) {
18. if ( ans == -2 || b[ans] < b[i] ) {
19. ans = i ;
20. }
21. }
22. }
23. cout << ans + 1 << endl;
24. }
25. }