Exchanging Coins

#1

https://ide.codingblocks.com/s/244533 I am getting run error here

#2

Constraints
0 <= n <= 1000000000.
your code gives Exception in thread “main” java.lang.OutOfMemoryError: Java heap space.
Use HashMap instead of array.
HashMap<Integer, Long> map = new HashMap<Integer, Long>();

#3


You can see this

#4

I got it now, Thank you so much

#5

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