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Add 1 to a given number?
A program to add 1 to a given number increments the value of the variable by 1 . This is general used in counters.
There are 2 methods to increase that can be used to increase a given number by 1 −
Simple adding of one to the number and reassigning it to the variable.
Using increment operator in the program.
Method 1 − using reassignment method
This method takes the variable, add 1 to it and then reassigns its value.
Example Code
#include <stdio.h>
int main(void) {
int n = 12;
printf("The initial value of number n is %d
", n);
n = n+ 1;
printf("The value after adding 1 to the number n is %d", n);
return 0;
}Output
The initial value of number n is 12 The value after adding 1 to the number n is 13
Method 2 − Using the increment operator
This method uses the increment operator to add 1 to the given number. This is a shorthand trick to add 1 to a number.
Example Code
#include <stdio.h>
int main(void) {
int n = 12;
printf("The initial value of number n is %d
", n);
n++;
printf("The value after adding 1 to the number n is %d", n);
return 0;
}Output
The initial value of number n is 12 The value after adding 1 to the number n is 13
Updated on: 30-Jun-2020
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