问题
定义一个int型的一维数组,包含40个元素,用来存储每个学员的成绩,循环产生40个0~100之间的随机整数, (1)将它们存储到一维数组中,然后统计成绩低于平均分的学员的人数,并输出出来。 (2)将这40个成绩按照从高到低的顺序输出出来。
解决(python)
#! /usr/bin python
#coding:utf-8
from __future__ import division #实现精确的除法,例如4/3=1.333333
import random
def make_score(num):
score = [random.randint(0,100) for i in range(num)]
return score
def less_average(score):
num = len(score)
sum_score = sum(score)
ave_num = sum_score/num
less_ave = [i for i in score if i<ave_num]
return len(less_ave)
if __name__=="__main__":
score = make_score(40)
print "the number of less average is:",less_average(score)
print "the every socre is[from big to small]:",sorted(score,reverse=True)