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While including the current coin as a part of solution why we are recurring it to count(sum-coins[coin_num-1],coins,coin_num). Should not it be count(sum-coins[coin_num],coins,coin_num)? Because, we coin_num is our current coint i.e. mth coin.
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The Coin Change Problem
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While including the current coin as a part of solution why we are recurring it to count(sum-coins[coin_num-1],coins,coin_num). Should not it be count(sum-coins[coin_num],coins,coin_num)? Because, we coin_num is our current coint i.e. mth coin.