题解 | #求平均值#
求平均值
https://www.nowcoder.com/practice/c44b98aeaf9942d3a61548bff306a7de
#!/bin/bash echo "scale=3;`cat nowcoder.txt | awk 'BEGIN{getline;sum=0;}{sum+=$1;}END{print sum}'` / $[`wc -l nowcoder.txt | awk '{print $1}'` - 1]" | bc
求平均值
https://www.nowcoder.com/practice/c44b98aeaf9942d3a61548bff306a7de
#!/bin/bash echo "scale=3;`cat nowcoder.txt | awk 'BEGIN{getline;sum=0;}{sum+=$1;}END{print sum}'` / $[`wc -l nowcoder.txt | awk '{print $1}'` - 1]" | bc
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