greedy knapsack fractional

#include <iostream>
using namespace std;
struct Products{
    string name;
    int weight;
    int totalPrice;
    float unitPrice;
    float percentage;
};
void greedyKnapsack(Products p[], int n, int capacity)
{
    int i,currentWeight=0;
    i=0;
    while (currentWeight<capacity)
    {
        if(currentWeight+p[i].weight<= capacity)
        {
            p[i].percentage = 100;
            currentWeight = currentWeight+p[i].weight;
            i++;
        }
        else
        {
            float temp = capacity - currentWeight;
            float temp2 = temp/p[i].weight;
            p[i].percentage = temp2 * 100;
            break;
        }
    }
    cout << "--------------------------------------------\n"<<endl;
    for(i=0; i<n; i++)
    {
        cout << p[i].name << " = ";
        cout << p[i].percentage << "%" <<endl;
    }

    float profit=0;

    for(i=0;i<n;i++)
    {
        if(p[i].percentage == 100)
        {
            profit = profit + p[i].totalPrice;
        }
        else
        {
            float temp1 = p[i].totalPrice * p[i].percentage;
            profit = profit + (temp1/100);
        }
    }
    cout << "\n-------------------------------------------\n"<<endl;
    cout << "Total profit: " << profit <<endl;


}

int main()
{
    int i,j,capacity;
    cout << "Input Capacity: ";
    cin >> capacity;
    int type=0;
    cout << "Input Number of Types: ";
    cin >> type;
    Products p[type];
    for(i=0; i<type; i++)
    {
        cout << "Input product name: ";
        cin >> p[i].name;
        cout << "Input product weight: ";
        cin >> p[i].weight;
        cout << "Input product total price: ";
        cin >> p[i].totalPrice;
        p[i].unitPrice = p[i].totalPrice/p[i].weight;
        p[i].percentage = 0;
    }

    for(i=1;i<type;++i)
    {
        for(j=0;j<(type-i);++j)
        {
            if(p[j].unitPrice<p[j+1].unitPrice)
            {
                swap(p[j],p[j+1]);
            }
        }

    }
    greedyKnapsack(p,type,capacity);

    return 0;
}