Question

How to find the sign of a variable in C

Answer 1

#include <stdio.h>
#include <string.h>

int main() {
    int n = -893;
    int sign;   

    sign = -(n < 0);  // if v < 0 then -1, else 0. 
    
    printf("%d\n", sign);
    
    return 0;
}



/*
run:

-1

*/

 

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