排列2 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 9583 Accepted Submission(s): 3485 Problem Description Ray又对数字的列产生了兴趣: 现有四张卡片,用这四张卡片能排列出很多不同的4位数,要求按从小到大的顺序输出这些4位数. Input 每组数据占一行,代表四张卡片上…
DNA Sorting Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 80832 Accepted: 32533 Description One measure of ``unsortedness'' in a sequence is the number of pairs of entries that are out of order with respect to each other. For instanc…
一只小蜜蜂... Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description 有一只经过训练的蜜蜂只能爬向右侧相邻的蜂房,不能反向爬行.请编程计算蜜蜂从蜂房a爬到蜂房b的可能路线数. 其中,蜂房的结构如下所示. Input 输入数据的第一行是一个整数N,表示测试实例的个数,然后是N 行数据,每行包含两个…
有一道解释程序的水题没给非计算机专业的同学讲明白orz,在这里再练一下.. 源代码完全没有缩进真是难以忍受.. p.s.懂递归就不用看了#include <stdio.h> int n = 0; int rest[7][7]; void swap(int *a, int *b) { int m; m = *a; *a = *b; *b = m; } void perm(int list[], int k, int m) { int i; int j; if(k > m) { for (i…
Osu! is a famous music game that attracts a lot of people. In osu!, there is a performance scoring system, which evaluates your performance. Each song you have played will have a score. And the system will sort all you scores in descending order. Aft…