二维数组有两种形式: ①在栈上: int a[4][4] = {...}; ②在堆堆上: int ** a = new int *[4]; for(int i = 0; i < 4; i++) a[i] = new int[4]; 这两种情况下,二维数组做形参的传参方式是不一样的. ①在栈上时 void fun(int * a, int rownum, int colmunnum) //形参传递
python字典dictionary几个不常用函数例子 一.字典声明 如,d={}; d= {'x':1,'b':2} d1 = dict(x=1,y=2,z=3) d2 = dict(a=3,b=4,c=5) 二 .方法说明: 参考:http://blog.csdn.net/wangran51/article/details/8440848 Operation Result Notes len(a) the number of items in a 得到字典中元素的个数 a[k]
Foreign Exchange Your non-profit organization (iCORE - international Confederation of Revolver Enthusiasts) coordinates a very successful foreign student exchange program. Over the last few years, demand has sky-rocketed and now you need assistance w
变形课 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 16998 Accepted Submission(s): 6128 Problem Description 呃......变形课上Harry碰到了一点小麻烦,由于他并不像Hermione那样可以记住全部的咒语而任意的将一个棒球变成刺猬什么的,可是他发现了变形咒语的一个统一
圆桌问题 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 6252 Accepted Submission(s): 2380 Problem Description 圆桌上围坐着2n个人.其中n个人是好人,另外n个人是坏人.如果从第一个人开始数数,数到第m个人,则立即处死该人:然后从被处死的人之后开始数数,再将数到的第m个人处死……