C programming: Check whether a number is positive or negative

Here we are sharing C programs on various topics such as strings, series, arrays, loops, geometrical figures, mathematical calculation, sorting & searching algorithms and many more. 

Code Description

Enter an integer you want to check as input. This integer is then stored in the variable ‘number’. Now the program execution is done by checking whether this given integer is greater or lesser than zero.If it is greater than or equal to zero, then it is a positive number” otherwise it is a negative number.

// Created by Kaustav Ghosh Dastidar.
#include <stdio.h>o
int main()
    int number;
    printf("Enter a number \n");
    scanf("%d", &number);
    if (number >= 0)
        printf("%d is a positive number \n", number);
        printf("%d is a negative number \n", number);
return 0;



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