C Program to Check Whether a Number is Positive, Negative or Zero

Write a C program to read a number and check whether number is positive, negative or zero.
Wap in C to check whether a number is negative, zero or positive using if else ladder.

Required Knowledge

C printf and scanf functions
If Else Statement in C

We will first take an integer as input from user using scanf function. Then we check whether input number is positive, negative or zero using if else ladder statement.

C program to check whether an integer is negative, positive or zero

/** 
 * C program to check whether a number is 
 * positive, negative or zero
 */ 
   
#include <stdio.h>  
   
int main() {  
    int number;  
    /* 
     * Take a number as input from user 
     */ 
    printf("Enter a Number\n");  
    scanf("%d", &number);  
       
    if(number > 0) {  
        printf("%d is Positive Number", number);  
    } else if (number < 0) {  
        printf("%d is Negative Number", number);  
    } else {  
        printf("Input Number is Zero");  
    }  
     
    return 0;  
}

Output

Enter a Number
5
5 is Positive Number

Enter a Number
-3
-3 is Negative Number

Enter a Number
0
Input Number is Zero

C program to check whether an integer is negative, positive or zero

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