摘要:
Given a string, you are supposed to output the length of the longest symmetric sub-string. For example, given "Is PAT&TAP symmetric?", the longest sym 阅读全文
摘要:
Indeed there are many different tourist routes from our city to Rome. You are supposed to find your clients the route with the least cost while gainin 阅读全文
摘要:
A gas station has to be built at such a location that the minimum distance between the station and any of the residential housing is as far away as po 阅读全文