signed unsigned mismatch

Today, online brush questions, one of the problems always results and expectations are not the same, in time and again check the program logic, confirm the correct, or can not pass, forced to use vs Start debugging!Here is my program code:1

The first clear 4 byte int can represent the range of numbers is 2147483647 ——-2147483648, to see the problem I encountered:The "equality" description is output here.(INT_MIN==-2147483648)Is true.Output "1(1Is true, but this is unscientific.Output "

for (i = 0; iSimply define the "I" in the loop as unsigned when defined, i.e. unsigned i;The code that generated the error:#include #include #include int main () {char arr1[] = {"Welcome to bit!"}; int num = strlen (arr1); unsigned i; Char arr2[20]

I have read the famous "the C programming language". As I have heard, I have a thorough explanation of the basics and a typical case. I do not know much about the C language. Summary of the reading results (some of the original book's unclear

GCC Chinese manual Author: Xu Ming Source: Unknown clicks:999 updated on: GccSection: GNU tools (1)Updated: 2003/12/05Index return to Main Contents NameGCC, G ++-GNU Project C and C ++ Compiler (egcs-1.1.2)Overview

1. Suggestions on signed number and unsigned numberAs we can see, implicit coercion of type conversions with signed numbers to unsigned numbers results in some non-intuitive behavior. These non-intuitive features often result in program errors, and

The first chapter lexical traps 1.1if (x = y) is equivalent to assigning the value of Y to X, and then checking whether the value is zeroIf the comparison operator = = is written as an assignment operator = because the assignment operator =

Constant such as 12345 or 0x1A2B, the value is considered signed. Adding character 'U' or 'U' as a suffix creates an unsigned constant, e.g., 12345U or 0x1A2Bu.When printing numeric values with printf, the directives % d, % u, and % x are used to

Organized from: http://blog.csdn.net/djb100316878/article/details/39720055, it has a lot of errors ...1:On the 32-bit machine, according to the following code, what is the correct statement? （ ）Signed char a = 0XE0;unsigned int b = A;unsigned char c

Tag:other   null   mit   mem    contains      string copy    nts   bytes   cte    The String function parsing String function is included in the String.c file and is often used by C files. 1.strcpy Function prototype: char* strcpy (char*