Return the number of days in a given month in 2017. If the input is not a valid month number, return -1.

Examples:

Input: m = 1
Outpu: d = 31

Input:  m = 2
Output: d = 28

Input:  m = 13
Output: d = -1

You cannot use IF statements

Solve

Solution Stats

2248 Solutions

494 Solvers

Last Solution submitted on Feb 08, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers494

Boldizsar Vasilis Bellos Alexander Ross Matthew Bolyard

Suggested Problems

More from this Author25

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!