题解 | #求平均值#
求平均值
https://www.nowcoder.com/practice/c44b98aeaf9942d3a61548bff306a7de
#!/bin/bash awk '{if(row >= 1){sum+=$0; cnt+=1}; row++}END{if (cnt > 0){printf("%.3f", sum/cnt)}else {print "0.000"}}'
求平均值
https://www.nowcoder.com/practice/c44b98aeaf9942d3a61548bff306a7de
#!/bin/bash awk '{if(row >= 1){sum+=$0; cnt+=1}; row++}END{if (cnt > 0){printf("%.3f", sum/cnt)}else {print "0.000"}}'
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