打怪升级2022

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题解(3)

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题解 | #月总刷题数和日均刷题数#

select date_format(submit_time,'%Y%m') as submit_month, count(*) as month_q_cnt, round(count(*) / max(day(last_day(submit_time))),3) as avg_day_q_cnt ...

2022-06-04

0 106

题解 | #数组倒转#

import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { int[] arr = new int[6]; Scanner scanne...

Java

2021-12-10

0 177

题解 | #计算整数位数#

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int num = scan.nextInt()...

Java

2021-12-10

0 191

题解 | #求平均数#

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); //write your co...

Java

2021-12-10

0 218