Week1-Cash

#include <stdio.h> #include <cs50.h> #include <math.h>

int main(void) { float dollar; do { // this step for inter postive number and reject a negtive number dollar = get_float("inter the money: "); } while (dollar < 0);

// to convert from dollars to cents
int cent = round(dollar * 100);
// a count for number of coins that used
int c = 0 ;
int q = 25, dim = 10, nickel = 5, pen = 1;

// start searching for coins from the higher to lower
while (cent >= q)
{
    cent = cent - q;
    c++;
}
while (cent >= dim)
{
    cent = cent - dim;
    c++;
}
while (cent >= nickel) 
{
    cent = cent - nickel;
    c++;
}
while (cent >= pen)
{
    cent = cent - pen;
    c++;
}
printf("result= %i\n", c);

}