formatSpecifier_precision.c

#include <stdio.h>

int main()
{

    // Use the modifier: precision
    // %.1f will round the decimal points to nearest integer.
    // eg: 19.99 will get rounded to 20.00.

    // width precision flags

    float price1 = 19.99;
    float price2 = 1.50;
    float price3 = -100.00;

    /*printf("%f\n", price1);
    printf("%f\n", price2);
    printf("%f\n", price3);
    */

    printf("%+7.2f\n", price1); // %+7.2f , where %f is th format specifier, + tells the right sign +ve. 7 is the minimum characters to display. .2 is displays 2 decimal points.
    printf("%+7.2f\n", price2);
    printf("%+7.2f\n", price3);

    return 0;
}