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cash.c
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cash.c
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#include <stdio.h>
#include <cs50.h>
#include <math.h>
int main(void)
{
float change;
// making sure change is a positive amount
do
{
change = get_float("How much change do I owe you? ");
}
while (change < 0);
// declaring a coin counter variable
int coins = 0;
// rounding up a float change value to integer, for easier calculation later
change = round(change*100);
// counting change starting with the biggest coin until it becomes 0
while (change)
{
if (change >= 25)
{
change -= 25;
coins++;
}
else if (change >= 10 && change < 25)
{
change -= 10;
coins++;
}
else if (change >=5 && change < 10)
{
change -= 5;
coins++;
}
else
{
change -= 1;
coins++;
}
};
// outputting number of coins
printf("\nThat totals %d coins/n", coins);
}