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Commit 2e94324

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Add C++ Solution for 416 (#78)
* Create _416.cpp * refactor 416
1 parent bbf9e2d commit 2e94324

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‎README.md

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@@ -580,7 +580,7 @@ _If you like this project, please leave me a star._ ★
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|419|[Battleships in a Board](https://leetcode.com/problems/battleships-in-a-board/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_419.java) | |Medium| DFS
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|418|[Sentence Screen Fitting](https://leetcode.com/problems/sentence-screen-fitting/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_418.java) | |Medium|
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|417|[Pacific Atlantic Water Flow](https://leetcode.com/problems/pacific-atlantic-water-flow/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_417.java) | |Medium| DFS
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|416|[Partition Equal Subset Sum](https://leetcode.com/problems/partition-equal-subset-sum/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_416.java)| |Medium | DP
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|416|[Partition Equal Subset Sum](https://leetcode.com/problems/partition-equal-subset-sum/)|[Java](../master/src/main/java/com/fishercoder/solutions/_416.java), [C++](../master/cpp/_416.cpp)| |Medium | DP
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|415|[Add Strings](https://leetcode.com/problems/add-strings/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_415.java)| |Easy|
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|414|[Third Maximum Number](https://leetcode.com/problems/third-maximum-number/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_414.java)| |Easy|
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|413|[Arithmetic Slices](https://leetcode.com/problems/arithmetic-slices/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_413.java) | |Medium| DP

‎cpp/_416.cpp

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//416. Partition Equal Subset Sum
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class Solution {
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public:
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//maximum size top-down dp table
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bool dp[201][20001];
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bool equalPart(vector<int>& arr,int size,int sum){
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for(int i=0;i<=size;i++){
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dp[i][0]=true;
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}
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for(int i=1;i<=sum;i++){
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dp[0][i]=false;
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}
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for(int i=1;i<=size;i++){
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for(int j=1;j<=sum;j++){
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if(arr[i-1]<=j){
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dp[i][j] = dp[i-1][j] || dp[i-1][j-arr[i-1]];
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}else{
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dp[i][j] = dp[i-1][j];
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}
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}
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}
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return dp[size][sum];
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}
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bool canPartition(vector<int>& nums) {
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int sum=0;
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for(int i=0;i<nums.size();i++){
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sum+=nums[i];
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}
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if(sum%2!=0){
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return false;
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}else{
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return equalPart(nums,nums.size(),sum/2);
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}
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}
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};

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