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(原创)c++primer(第五版)--1.2 初始输入和输出
c++语言并未定义任何的输入输出(IO)语句,取而代之,包含了一个全面的标准库(standard library)来提供IO机制。 本书中的很多示例都使用了iostream库。iostream库包含两个基本类型 istream 和 ostream,分别表示输入流和输出流。一个流就是一个字符序列...
分类:编程语言   时间:2015-02-26 21:38:01    阅读次数:266
YT14-HDU-命中注定的另一半
Problem Description 七夕节那天,月老来到数字王国,他在城门上贴了一张告示,并且和数字王国的人们说:"你们想知道你们的另一半是谁吗?那就按照告示上的方法去找吧!" 人们纷纷来到告示前,都想知道谁才是自己的另一半.告示如下: 数字N的因子就是所有比N小又能被N整除的所有正整数,如12的因子有1,2,3,4,6. 你想知道你的另一半吗? Input 输...
分类:其他好文   时间:2015-02-25 14:17:25    阅读次数:126
YT14-HDU-三分查找求F(x)的最小值
Problem Description Now, here is a fuction:   F(x) = 6 * x^7+8*x^6+7*x^3+5*x^2-y*x (0 Can you find the minimum value when x is between 0 and 100. Input The first line of the input contains an in...
分类:其他好文   时间:2015-02-25 14:17:22    阅读次数:220
YT14-HDU-求范围内多个数经过变换后的那个最大值
Problem Description Problems in Computer Science are often classified as belonging to a certain class of problems (e.g., NP, Unsolvable, Recursive). In this problem you will be analyzing a property o...
分类:其他好文   时间:2015-02-25 14:16:04    阅读次数:178
YT14-HDU-在0-100间找到那个正确的x
Problem Description Now,given the equation 8*x^4 + 7*x^3 + 2*x^2 + 3*x + 6 == Y,can you find its solution between 0 and 100; Now please try your lucky. Input The first line of the input contains a...
分类:其他好文   时间:2015-02-25 13:02:42    阅读次数:151
YT14-HDU-S与D的故事
Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the ground sinking. He ...
分类:其他好文   时间:2015-02-25 09:11:35    阅读次数:172
CodeForces 404A 手速题
//CodeForces 404A 1 #include "iostream" 2 #include "cstdio" 3 #include "cstring" 4 #include "algorithm" 5 using namespace std; 6 char mat[310][310]; 7...
分类:其他好文   时间:2015-02-25 00:45:17    阅读次数:338
CodeForces 407B 简单dp
//CodeForces 407B 1 #include "iostream" 2 #include "cstdio" 3 #include "cstring" 4 #include "algorithm" 5 using namespace std; 6 const __int64 mod = 1...
分类:其他好文   时间:2015-02-25 00:44:34    阅读次数:140
CodeForces 404B 手速题
//CodeForces 404B 1 #include "iostream" 2 #include "cstdio" 3 #include "cstring" 4 #include "algorithm" 5 using namespace std; 6 const __int64 N = 1e6...
分类:其他好文   时间:2015-02-25 00:43:16    阅读次数:204
CodeForces 407A 手速题
//CodeForces 407A 1 #include "iostream" 2 #include "cstdio" 3 #include "cstring" 4 #include "algorithm" 5 using namespace std; 6 int square[1010]; 7 s...
分类:其他好文   时间:2015-02-25 00:42:55    阅读次数:261
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