Largest and smallest number Integers

/* Write a C program to find both the largest and smallest number in a list of integers*/

main( )

{

        float largest(float a[ ], int n);

        float value[4] = {2.5,-4.75,1.2,3.67};

        printf("%f\n", largest(value,4));

}

float largest(float a[], int n)

{

        int i;

        float max;

        max = a[0];

        for(i = 1; i < n; i++)

                if(max < a[i])

                max = a[i];

        return(max);

}