Write a solution to find the rank of the scores. The ranking should be calculated according to the following rules: The scores should be ranked from the highest to the lowest. If there is a tie between two scores, both should have the same ranking. After a tie, the next ranking number ...
做到这题时卡了不少时间,参考了别人的解法,觉得挺不错的,还挺巧妙。 SELECTs2.Score,s1.RankFrom(SELECTS1.Score,COUNT(*)asRankFROM(SELECTDISTINCTScorefromScores)asS1, (SELECTDISTINCTScorefromScores)asS2WhereS1.Score<=S2.ScoreGroupByS1.Score ) s1 ,Scores s2WHEREs1.Score=s2.ScoreOrderBYs2.Scored...
LeetCode——Rank Scores Write a SQL querytorank scores.Ifthereisa tie between two scores, both should have the same ranking.Notethataftera tie, thenextranking number should be thenextconsecutiveintegervalue.Inother words, there should be no"holes"between ranks. +---+---+| Id | Score | ...
LeetCode: 178. Rank Scores 题目描述 Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next consecutive integer value. In other words, there should be no “holes” be...
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题目链接 https://leetcode.com/problems/rank-scores/description/ 题意:对所有的分数按照降序进行排序,查询出分数和排名,排名相同的输出相同名次 此种解法在leetcode中未通过,看错误提示,好像是数据的精确度问题,不知道为什么。 附上一个通过的(mysql):https://blog.csdn.net/travel_1/article/details/51589706 ...
Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next consecutive integer value. In other words, there should be no "holes" between ranks. IdScore 1 3.50 2 3.65 ...
SELECTScore,@rank:=@rank+(@pre<>(@pre:=Score)) RankFROMScores, (SELECT@rank:=0,@pre:=-1) INITORDERBYScoreDESC; 参考资料: https://leetcode.com/discuss/40116/simple-short-fast LeetCode All in One 题目讲解汇总(持续更新中...)
[LeetCode] Rank Scores -- 数据库知识(mysql) Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next consecutive integer value. In other words, there should be no "...
【SQL刷题系列】:leetcode178 Rank Scores ▌题目描述 Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next consecutive integer value. In other words, there should be ...