Gredy KS or Fractional K

#include <stdio.h>
//Gredy KS  or Fractional KS
int main() {
    int KS = 10;
    int wights[4] = {2, 3, 3, 4};
    int unit_price[4]= {15, 18, 20, 30};

    int profit = 0;

    for(int i = 3; i >= 0; i--)
    {
        if(KS > wights[i])
        {
            profit = profit + (wights[i] * unit_price[i]);
            KS = KS - wights[i];
        }
        else
        {
            profit = profit + (KS * unit_price[i]);
            KS = 0;
            break;
        }
    }

    printf("Max Profit = %d\n",profit);
    return 0;
}