All problems come from 微软2016校园招聘4月在线笔试.
See also 微软 2016 年 4 月笔试报告.
See difference between the actual output and the expected for a given
problem and one of its samples.
Usage
$ ./try <problem-name> [sample-index=1]
Examples
$ ./try a-font-size
$ ./try b-403-forbidden 1