Gechi

public static int coinChangeGreedy(int[] coins, int n) {

            int sum_db = 0;
            int c = coins.length-1;
            int remaining_n = n;

                while(c != -1){
                    int db = remaining_n / coins[c];
                    sum_db += db;
                    remaining_n = remaining_n - db * coins[c];
                    c--;
                }
       return sum_db;
}