signed long int

Reprint Address: http://hi.baidu.com/thewillreigns/blog/item/67e665c4296e69c038db492d.html Char and unsigned char are unsignedBoth are used words as words that are indistinguishable, but when integers are used differently:Char integer range is-128

Transferred from: http://paddy-w.iteye.com/blog/1403217In the Linux operating system using GCC programming, the current general processor is 32-bit word width, the following is the/usr/include/limit.h file on the Linux data type limitations and

Quick Check Table:char-128 ~ +127 (1 bytes)short-32767 ~ + 32768 (2 Bytes)unsigned short 0 ~ 65535 (2 Bytes)int-2147483648 ~ +2147483647 (4 Bytes)unsigned int 0 ~ 4294967295 (4 Bytes)Long = = IntLong long-9223372036854775808 ~ +9223372036854775807 (8

Quick Check Table:char-128 ~ +127 (1 bytes)short-32767 ~ + 32768 (2 Bytes)unsigned short 0 ~ 65535 (2 Bytes)int-2147483648 ~ +2147483647 (4 Bytes)unsigned int 0 ~ 4294967295 (4 Bytes)Long = = IntLong long-9223372036854775808 ~ +9223372036854775807 (8

The distinction between signed and unsigned numbers in the assembly and CF,OF flag bits first, there is only one standard. First of all need to know that the computer to the value of the storage of a complementary form of storage, one avoids the

Reprinted from: http://www.94cto.com/index/Article/content/id/59973.html1. Example:Today we are doing a question about the conversion of signed numbers and unsigned numbers to their left/right shifts, and the principle of transformation between them

This article transferred from: http://www.94cto.com/index/Article/content/id/59973.html1. Example:Today we are doing a question about the conversion of signed numbers and unsigned numbers to their left/right shifts, and the principle of

1 int i=3; 2 cout1;ask what the result is. First reaction:-3. But the result does not seem like this, wrote a program, ran a bit, found that:4294967293. 1) on a 32-bit machine, the int and unsigned int are 32 bits (4 bytes). 2) enum will be

Excerpt from: http://www.cnblogs.com/glacierh/archive/2013/07/16/3194658.html1. ComplementThe unsigned number in the computer is represented by the original code, and the signed number is expressed in complement. The value represented by

Nsinteger and Nsuinteger are often used in iOS development, and in other languages like C + +, we often use int, unsigned int. We know that iOS can also use the g++ compiler, so what's the connection between them?Such statements are found in the