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- 输入若干学生的成绩(百分制),对其进行从大到小排序,分别统计90~100,80~90,70~80,60~70,60以下各分数段人数。-Enter a number of student achievement (percentile system), to sort them from biggest to smallest, respectively, Statistics 90 ~ 100,80 ~ 90,70 ~ 80,60 ~ 70,60 in the following paragra