脚本这种东西,就是要常用,否则一段时间不用就生疏了,因此决定时时记一些小知识点,一来回顾一下,二来需要的时候可以迅速获得提示. Sort by number You could now write a numeric sort subroutine like this: sub by_number { # a sort subroutine, expect $a and $b } } } } To use the sort subroutine, just put its name (witho…
A. Numbers Joke time limit per test:2 seconds memory limit per test:64 megabytes input:standard input output:standard output Input The input contains a single integer a (1 ≤ a ≤ 30). Output Output a single integer. Example Input 3 Output 27 题目链接:ht…
This question is the same as "Max Chunks to Make Sorted" except the integers of the given array are not necessarily distinct, the input array could be up to length 2000, and the elements could be up to 10**8. Given an array arr of integers (not…
This question is the same as "Max Chunks to Make Sorted" except the integers of the given array are not necessarily distinct, the input array could be up to length 2000, and the elements could be up to 10**8. Given an array arr of integers (not…
时间:2019年8月4日14:17:06问题描述:看下边的小例子: data class Man(val name: String, val age: Int, val type: Int) fun main(args: Array<String>) { val list = mutableListOf<Man>() list.add(Man("wzc", 31,2)) list.add(Man("wzj", 32,1)) list.add(…