Increment Operators are accustomed to increasing the value of the variable by one and Decrement Operators are utilized to decrease the value of the variable by one in C programs.
Both Increment and Decrement operator are utilized on a single operand or variable, so it is known as a unary operator.
There are two conceivable techniques to perform this task.
1) Use increment (++) and decrement (–) operator.
Example When x=5, x++ returns 6 and x– returns 4.
2) Use conventional + or – sign.
Whenever x=5, use x+1 to get 6 and x-1 to get 4.
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Nitesh Bavishiya