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- Fri Jan 10, 2014 3:52 am
- Forum: Volume 1 (100-199)
- Topic: 166 - Making Change
- Replies: 31
- Views: 12306
explain 166 dp problem - what is asked
Thus if we need to pay 55c, and we do not hold a 50c coin, we could pay this as 2*20c + 10c + 5c to make a total of 4 coins. If we tender $1 we will receive 45c in change which also involves 4 coins, but if we tender $1.05 ($1 + 5c), we get 50c change and the total number of coins that changes ...