Ruby China

新手问题 Ruby 数组值修改

danielfeng · August 22, 2015 · Last by danielfeng replied at August 22, 2015 · 1680 hits

求教各位大侠，将以下数组修改成如下，ruby 应该怎么写？感谢。

[["v", 10480], ["dd", 10350], ["aa", 10250]]

修改如下

[["v", 104], ["dd", 103], ["aa", 102]]
afghl #1 August 22, 2015

二维数组，each 一下，取第二个 除以 100 不就行了？

danielfeng #2 August 22, 2015

#1 楼 @afghl a .each {|k,j| j / 2} 这样？

winnie #3 August 22, 2015

[["v", 10480], ["dd", 10350], ["aa", 10250]].each{|x| x[1]=x[1]/100}

danielfeng #4 August 22, 2015

#3 楼 @winnie 厉害，3q winnie

You need to Sign in before reply, if you don't have an account, please Sign up first.