add coinChange algo#297
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zhexuany wants to merge 1 commit into
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@zhexuany You must resolve your conflicts. Otherwise I can not merge your code to the project. |
christianbender
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Apr 2, 2018
christianbender
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christianbender
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Good Work! I have some requests.
| @@ -0,0 +1,18 @@ | |||
| class CoinChange { | |||
| public staitc int coinChange(int[] coins, int amount) { | |||
| class CoinChange { | ||
| public staitc int coinChange(int[] coins, int amount) { | ||
| int[] dp = new int[amount+1]; | ||
| Arrays.fill(dp, amount+1); |
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Please add import java.util.Arrays;
| dp[i] = Math.min(dp[i], dp[i - coins[j]] + 1); | ||
| } | ||
| return dp[amount] > amount ? -1 : dp[amount]; | ||
| } |
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Please add comments in your code
| Arrays.fill(dp, amount+1); | ||
| dp[0] = 0; | ||
| for(int i = 1; i <= amount; i++) { | ||
| for(int j = 0; j < coins.length; j++) |
| dp[0] = 0; | ||
| for(int i = 1; i <= amount; i++) { | ||
| for(int j = 0; j < coins.length; j++) | ||
| if(i >= coins[j]) |
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