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RSS订阅原创 C语言知识点（！与~、memset）
C语言知识点 ！与~的区别 !: 代表值得取反，对于整形变量，只要不为0，使用 ! 取反都是0，0取反就是1。就像 bool 只有真假一样。 ~: 代表位的取反，对于整形变量，对每一个二进制位进行取反，0变1，1变0。 举例： 在我的电脑中，对于正数，int型变量5的二进制表示为0000 0101，~5的变换如下： 1、按位取反：1111 1010 2、符号位为1，变换后为负数，需要按负数规则转换，取反加一：1000 0110 3、转换为十进制：~5 = -6 对于负数，int型变量-3的二进制表示
2021-08-15 12:09:38
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原创 POJ2109
POJ2109 题目 Power of Cryptography Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 30684 Accepted: 15252 Description Current work in cryptography involves (among other things) large prime numbers and computing powers of numbers among these prim
2021-08-08 10:13:49
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原创 POJ1328(贪心)题解
POJ1328(贪心) 题目 Radar Installation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 150055 Accepted: 33255 Description Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a p
2021-08-07 16:38:49
292
原创 POJ2965(找规律)题解
POJ2965(找规律)题解 题目 The Pilots Brothers’ refrigerator Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 35766 Accepted: 13828 Description The game “The Pilots Brothers: following the stripy elephant” has a quest where a player needs to open a re
2021-08-06 13:26:41
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原创 POJ1753(枚举)题解
POJ1753(枚举). 题目 Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 65856 Accepted: 26995 Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white
2021-08-05 17:09:16
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