greedy knapsack Coin

#include <iostream>
using namespace std;
struct Coin{
    float value;
    int count;
};
void greedyKnapsackMoney(Coin c[], int n, float amount)
{
    int i;
    float currentAmount=0;

    for(i=0;i<n;i++)
    {
        if(currentAmount+c[i].value<= amount)
        {
            currentAmount = currentAmount+c[i].value;
            c[i].count++;
            i--;
        }
    }
    cout << "\n\n----------------------"<<endl;
    for(i=0; i<n; i++)
    {
        if(c[i].count != 0)
        {
            if(c[i].value >= 1)
            {
                cout << " " << c[i].value << " Taka Coin Quantity--> " << c[i].count <<endl;
            }
            else
            {
                cout << " " << c[i].value << " Poisa Coin Quantity--> " << c[i].count <<endl;
            }
        }
    }

}

int main()
{
    float amount;
    cout << "Input Amount: ";
    cin >> amount;
    float coinValue[8] = {5,2,1,0.50,0.25,0.10,0.05,0.01};
    Coin c[8];
    for(int i=0; i<8; i++)
    {
        c[i].value = coinValue[i];
        c[i].count = 0;
    }
    greedyKnapsackMoney(c,8,amount);

    return 0;
}