清霜一梦

check_return

//date : 2013 4 2 //designer :pengxiaoen//function:check the word return in function#include "stdio.h"int add (){ int a,...

break_VS_continue

//date 2013 4 2 //designer :pengxiaoen//function: look up the difference from break and continue#include "stdio.h"int ma...

CalculationWithDifferenceTpye

//date :2013 4 2 //designer pengxiaoen//function : calculation with difference type to known how the computer do with th...

SaveAboutZero

// date :2013 4 2//designer :pengxiaoen//function: check about the number 0 how it is saved in computer#include "stdio.h...

原码,反码,补码

原码:二进制定点表示法,即最高位为符号位,“0”表示正,“1”表示负,其余位表示数值的大小。反码:正数的反码与其原码相同;负数的反码是对其原码逐位取反,但符号位除外。补码:正数的补码与其原码相同;负数的补码是在其反码的末位加1。例:[+7]...

outof_size

//date 2013 4 1 //designer pengxiaoen//function : when the + or - out of their size ,the value is............. //-------...

sizeof_check

// data:2013 4 1//designer:pengxiaoen//function:check the word "sizeof" and the memory//result :sizeof_p = 4; sizeof_int...