Question

You have x no. of 5 rupee coins and y no. of 1 rupee coins. You want to purchase an item for amount z. The shopkeeper wants you to provide exact change. You want to pay using minimum number of coins. How many 5 rupee coins and 1 rupee coins will you use? If exact change is not possible then display -1.

Sample Input
Expected Output
Available Rs. 1 coins
Available Rs. 5 notes
Amount to be made
Rs. 1 coins needed
Rs. 5 notes needed
2
4
21
1
4
11
2
11
1
2
3
3
19
-1
​

Answer 1

Answer:

Idk

Explanation:

Sry i don't know

hope this doesn't help you