Signed and unsigned integer in C language

Signed Integer :

Syntax-
int variable;

Range:-32,768 to 32,767
Unsigned Integer:

Syntax-
unsigned int variable;

Range:0 to 65,535

Why unsigned Integer ?
-For increase the range of the integer.

program-
#include< stdio.h>
int main()
{
int i=20;
unsigned int j=4;
printf("%d\n",i);
printf("%d",j);
}

output-
20
4
Note:range of integer variable may be varies depends on the compiler.

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Signed and unsigned integer in C language by R4R Team

Signed Integer :

Unsigned Integer:

Why unsigned Integer ?

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