﻿ C : Value of an integer n is 1,0 and -1 for the value of m

# C Exercises: Display the value of an integer n is 1,0 and -1 for the value of an integer m

## C Conditional Statement: Exercise-6 with Solution

Write a C program to read the value of an integer m and display the value of n is 1 when m is larger than 0, 0 when m is 0 and -1 when m is less than 0.

Pictorial Presentation: Sample Solution:

C Code:

``````#include <stdio.h>
void main()
{
int m,n;
printf("Input the  value of m :");
scanf("%d",&m);
if(m!=0)
if(m>0)
n=1;
else
n=-1;
else
n=0;
printf("The value of m = %d \n",m);
printf("The value of n = %d \n",n);
}
```
```

Sample Output:

```Input the  value of m :-5
The value of m = -5
The value of n = -1
```

Flowchart: C Programming Code Editor:

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## C Programming: Tips of the Day

What does (x ^ 0x1) != 0 mean?

The XOR operation (x ^ 0x1) inverts bit 0. So the expression effectively means: if bit 0 of x is 0, or any other bit of x is 1, then the expression is true.

Conversely the expression is false if x == 1.

So the test is the same as:

if (x != 1)

and is therefore (arguably) unnecessarily obfuscated.

Ref :https://bit.ly/2NIisQM

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