Counting Haybales
Very easy
Execution time limit is 1 second
Runtime memory usage limit is 128 megabytes
Farmer John has just arranged his haybales at various points along the one-dimensional road running across his farm. To make sure they are spaced out appropriately, please help him answer queries, each asking for the number of haybales within a specific interval along the road.
Input
The first line contains and . The next line contains distinct integers, each in the range , indicating that there is a haybale at each of those locations.
Each of the next lines contains two integers and giving a query for the number of haybales between and , inclusive.
Output
You should write lines of output. For each query, output the number of haybales in its respective interval.
Examples
Input #1
Answer #1
Submissions 48
Acceptance rate 65%