题解 | #求平均值#
求平均值
http://www.nowcoder.com/practice/c44b98aeaf9942d3a61548bff306a7de
```#!/bin/bash
sum=0
i=1
read n
for ((i=1;i<=n;i++))
do
read m
sum=$(($sum+$m))
done
echo "scale=3;$sum/$n" | bc
求平均值
http://www.nowcoder.com/practice/c44b98aeaf9942d3a61548bff306a7de
```#!/bin/bash
sum=0
i=1
read n
for ((i=1;i<=n;i++))
do
read m
sum=$(($sum+$m))
done
echo "scale=3;$sum/$n" | bc
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