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Pre-increment (or pre-decrement) in C
Increment operators are used to increase the value by one while decrement works opposite increment. Decrement operator decreases the value by one.
Here is the syntax of pre-increment operator in C language,
++variable_name;
Here is the syntax of pre-decrement operator in C language,
--variable_name;
Let us see the difference between pre-increment and pre-decrement operator.
Pre-increment − Before assigning the value to the variable, the value is incremented by one.
Here is an example of pre-increment in C language,
Example
#include <stdio.h>
int main() {
int i = 5;
printf("The pre-incremented value : %d
",i);
while(++i < 10 )
printf("%d\t",i);
return 0;
}Output
The pre-incremented value : 5 6789
Pre-decrement − Before assigning the value to the variable, the value is decremented by one.
Here is an example of pre-decrement in C language,
Example
#include <stdio.h>
int main() {
int i = 10;
printf("The pre-decremented value : %d
",i);
while(--i > 5 )
printf("%d\t",i);
return 0;
}Output
The pre-decremented value : 10 9876
Updated on: 24-Jun-2020
1K+ Views
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