Merge pull request #6 from Chayandas07/patch-5

Create 21 November  Unique partitions

Author: Michael-Calce

21 November Unique partitions

@@ -0,0 +1,23 @@
+class Solution{
+ public:
+    void solve(int i,int n,int sum,vector<int>&v,vector<int>temp,vector<vector<int>>&ans){
+     if(sum>n)return;
+     if(i>=n){
+         if(sum==n)ans.push_back(temp);
+         return;
+     }
+    
+     temp.push_back(v[i]);
+     solve(i,n,sum+v[i],v,temp,ans);
+     temp.pop_back();
+     solve(i+1,n,sum,v,temp,ans);
+ }
+    vector<vector<int>> UniquePartitions(int n) {
+      vector<int>v;
+      for(int i=n;i>=1;i--)v.push_back(i);
+      vector<vector<int>>ans;
+      vector<int>temp;
+      solve(0,n,0,v,temp,ans);
+      return ans;
+    }
+};