In C programming language, integer data is represented by its own in-built datatype known as int. The C language provides the four basic arithmetic type specifiers char, int, float and double, and the modifiers signed, unsigned, short, and long.The following table lists the permissible combinations in specifying a large set of storage size-specific declarations. C/C++ provides various data types that can be used in your programs. printf("Unsigned int values range: %u\n", (unsigned int) UINT_MAX); return 0;} Output: Explanation: So in general, in C we have signed and unsigned integer data types to declare in the program. These ranges may vary from compiler to compiler. Please keep in mind that storage size and range for int and float datatype will vary depend on the CPU processor (8,16, 32 and 64 bit) C Data types / storage Size: Range: char / 1 –127 to 127: int / 2 ... unsigned long int / 4: 0 to 4,294,967,295: unsigned long long int / 8: 2(power)64 –1: 2. The most important thing that we need to keep in mind is, both signed and unsigned type modifiers are applied only to data types of the integer family i.e. > What is the range of unsigned long int in C? Below is list of ranges along with the memory requirement and format specifiers on 32 bit gcc compiler. char and int.. When we will shift the signed negative value then its results depend on the implementation. Range of char = -128 to 127 Range of unsigned char = 0 to 255 Range of short = -32768 to 32767 Range of unsigned short = 0 to 65535 Range of int = -2147483648 to 2147483647 Range of unsigned int = 0 to 4294967295 Range of long = -2147483648 to 2147483647 Range of unsigned long = 0 to 4294967295 Range of long long = -9223372036854775808 to 9223372036854775807 Range of unsigned … Let us see if the variable is declared signed int and we want it to convert it into unsigned int which is a bit confusing in C programming. It has several variants which includes int, long, short and long long along with signed and unsigned variants The size of int is 4 bytes and range is -2147483648 to 214748364 long long is of 16 bytes The most significant byte is 0 and the least significant is 3. 0 to 65535 would be a 16-bit unsigned. The range of unsigned int is larger than the range of the signed int. The overflow of unsigned int is fully defined by the c standard community but not defined for the signed int. Definition of C++ unsigned int. Signed type modifier in C: For an int data type, if we don't mention type modifier, By default it will be considered as a signed type modifier. C++ unsigned int is the data types that contain integers in the form of non-negative whole numbers only. Below I am discussing few points in favor of unsigned int. An unsigned long long (and, on a 64-bit implementation, possibly also ulong and possibly uint as well) have a range (at least) from 0 to 18,446,744,073,709,551,615 (2 64 -1). 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