Leetcode - Mysql ranking questions - 178. Rank Scores
以leetcode上这道题为例:WriteaSQLquerytorankscores.Ifthereisatiebetweentwoscores,bothshouldhavethesameranking.Notethatafteratie,thenextrankingnumbershouldbethenextconsecutiveintegervalue.Inotherwords,theresho