# C Program to set or reset a bit in number

Get a number n and bit b, n is a number and b denotes any bit postion of n. set b postion of n as 1 if it is 0, reset b postion of n as 0 if it is 1.

Sample Input 1:

4 1

Sample Output 1:

5 Note: 4->0000 0100 After seting 1st Pos: 0000 0101 So output is 5.

#### Program or Solution

` ````
#include<stdio.h>
int main()
{
int num,bit,n;
printf("Enter a number and a bit:");
scanf("%d %d",&num,&bit);
n=1<<(bit-1);
num=num^n
printf("The value after %d bit is: %d",bit,num);
return 0;
}
```

#### Program Explanation

Get a number num and bit as input (using scanf statement)
left shift 1 by bit times (n=1<