[LeetCode By Go 99]374. Guess Number Higher or Lower
题目WeareplayingtheGuessGame.Thegameisasfollows:Ipickanumberfrom1ton.YouhavetoguesswhichnumberIpicked.Everytimeyouguesswrong,I'lltellyouwhetherthenumberishigherorlower.Youcallapre-definedAPIguess(intnum