Readability, avoidance of errors. The termination condition is at the end (where it can be overlooked) and the condition is not checked the first time through.
Give a time.(hh:mm:ss)，you should answer the angle between any two of the minute.hour.second hand Notice that the answer must be not more 180 and not less than...
A gourmet came into the banquet hall, where the cooks suggested n dishes for guests. The gourmet knows the schedule: when each of the dishes will be served.
In Absurdistan, there are n towns (numbered 1 through n) and m bidirectional railways. There is also an absurdly simple road network — for each pair of differen...
