Perpendicular arrows
Problem
The input to the program is two integers n, m, (
\(0<n<=12, 0<=m<60\)) indicating the moment in time " ;
n hours m minutes". Determine the smallest number of full minutes after which the hour and minute hands are perpendicular to each other on the dial. Do not use real arithmetic.
Input data: two numbers separated by a space.
Output: Display one number, the answer to the problem.
Examples
| # |
Input |
Output |
| 1 |
2 50 |
10 |
| 2 |
12 0 |
16 |
Запрещенные операторы: for; while; until