How to make 2 Euros with smaller coins

Question

You are given n > 0 of each of the standard denomination Euro coins: 1 ct, 2 ct, 5 ct, 10 ct, 20 ct, 50 ct, 1 Euro, 2 Euro.
What is the smallest n such that it is impossible to select n coins that make exactly 2 Euros?

Paul Panzer · Accepted Answer

FlanMan · Answer

To demonstrate that Paul Panzer's accepted numeric answer is correct, here is a list of ways to select the coins.
The format is:
Total coins: (quantity x denomination) + (quantity x denomination) + ...
On each line, the math equals 2.00

How to make 2 Euros with smaller coins

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