Above Average
2014-01-16 15:10
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Description
It is said that 90% of frosh expect to be above average in their class. You are to provide a reality check.The first line of standard input contains an integer C, the number of test cases. C data sets follow. Each data set begins with an integer, N, the number of people in the class (1 <= N <= 1000). N integers follow, separated by spaces or newlines, each giving the final grade (an integer between 0 and 100) of a student in the class. For each case you are to output a line giving the percentage of students whose grade is above average, rounded to 3 decimal places.
Input
Output
Sample Input
5 5 50 50 70 80 100 7 100 95 90 80 70 60 50 3 70 90 80 3 70 90 81 9 100 99 98 97 96 95 94 93 91
Sample Output
40.000% 57.143% 33.333% 66.667% 55.556%
代码
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