11991

[atiburrahman09]

I need some Help....
i am trying to solve this problem. but i cann't understand this line.

"For each query, print the 1-based location of the occurrence. If there is no such element, output 0 instead."

Any help will be great....

[brianfry713]

Sample Input

Code: Select all

8 4
1 3 2 2 4 3 2 1
1 3
2 4
3 2
4 2

Sample Output

Code: Select all

2
0
7
0

The array has 8 elements, position 1 through 8. First you are looking for the first 3, that is at position 2 in the array. Next you want the second 4, but since there is only one 4 print 0 instead. Next the third 2, which is at position 7. Finally the fourth 2, but there are only three 2's, so print 0 instead.