Solved Path Sum II(LeetCode 113(https://leetcode.com/problems/path-sum-ii/) | Graph | Medium) and updated Readme.md (#104)

Co-authored-by: Gourav Rusiya <[email protected]>

Author: MorviBhojwani

C++/Path-Sum-II.cpp

@@ -0,0 +1,37 @@
+//CPP DFS solution 
+//Time complexity O(V+E)
+//Space Complexity O(V)
+class Solution {
+public:
+    void dfs(vector<vector<int>>&v, vector<int>k,TreeNode*r,int s){
+        if(r==NULL){
+            return;
+        }
+        if(s==r->val&&r->left==NULL&&r->right==NULL){
+            k.push_back(r->val);
+            v.push_back(k);
+            //k.clear();
+            return;
+            
+        }
+        else if(s!=r->val&&r->left==NULL&&r->right==NULL){
+            return;
+        }
+        
+        k.push_back(r->val);
+        s-=r->val;
+        dfs(v,k,r->left,s);
+        dfs(v,k,r->right,s);
+            
+        
+        
+        return;
+        
+    }
+    vector<vector<int>> pathSum(TreeNode* root, int sum) {
+        vector<vector<int>>v;
+        vector<int>k;
+        dfs(v,k,root,sum);
+        return v;
+    }
+};

README.md

@@ -357,8 +357,10 @@ Check out ---> [Sample PR](https://github.com/codedecks-in/LeetCode-Solutions/pu
 | 1042 | [Flower Planting with No Adjacent](https://leetcode.com/problems/flower-planting-with-no-adjacent/) | [Python](./Python/1042_FlowerPlantingwithNoAdjacent.py) | _O(V+E)_ | _O(2V+E)_ | Medium     | Graph | Graph Coloring                    |
 | 797 | [All Paths From Source to Target](https://leetcode.com/problems/all-paths-from-source-to-target/) | [Java](./Java/All_Paths_From_Source_to_Target.java) | _O(N^2)_ | _O(N)_ | Medium     | Graph | DFS                    |
 | 934  | [Shortest Bridge](https://leetcode.com/problems/shortest-bridge/)                                   | [C++](./C++/Shortest-Bridge.cpp)                        | _O(V)_ | _O(V)_  | Medium     | Graph | DFS + BFS |
-| 1192  | [Critical Connections in a Network](https://leetcode.com/problems/critical-connections-in-a-network/)                                   | [C++](./C++/Critical-Connections-in-a-Network.cpp)                        | _O(V+E)_ | _O(4V+E)_  | Hard     | Graph | Tarjan's Algorithm |
-| 785  | [Is Graph Bipartite?](https://leetcode.com/problems/is-graph-bipartite/)                                   | [C++](./C++/Is-Graph-Bipartite.cpp)                        | _O(V+E)_ | _O(V)_  | Medium     | Graph | BFS |
+| 1192 | [Critical Connections in a Network](https://leetcode.com/problems/critical-connections-in-a-network/)                                   | [C++](./C++/Critical-Connections-in-a-Network.cpp)                        | _O(V+E)_ | _O(4V+E)_  | Hard     | Graph | Tarjan's Algorithm |
+| 113 | [Path Sum II](https://leetcode.com/problems/path-sum-ii/) | [C++](./C++/Critical-Path-Sum-II.cpp) | _O(V+E)_ | _O(V)_ | Medium     | Graph | DFS                    |
+| 785 | [Is Graph Bipartite?](https://leetcode.com/problems/is-graph-bipartite/)                                   | [C++](./C++/Is-Graph-Bipartite.cpp)                        | _O(V+E)_ | _O(V)_  | Medium     | Graph | BFS |
+
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