Athlete
Very easy
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
An athlete ran 10 km on the first day. Each following day, he increased his running distance by 10
Input
An integer N (0 < N ≤ 1000).
Output
A single number representing the required number of days.
Examples
Input #1
Answer #1
Submissions 6K
Acceptance rate 35%