added Pascals Triangle || problem

Author: mukul96

Dynamic Programming/Pascals Triangle ||.cpp

@@ -0,0 +1,34 @@
+class Solution
+{
+public:
+    vector<int> getRow(int rowIndex)
+    {
+        int numRows = rowIndex + 1;
+        vector<vector<int> > res;
+        vector<int> temp;
+        temp.push_back(1);
+        res.push_back(temp);
+        if (numRows == 1)
+        {
+            return temp;
+        }
+        temp.push_back(1);
+        res.push_back(temp);
+        int count = 2;
+        while (count < numRows)
+        {
+            int n = res.size();
+            int j = res[n - 1].size();
+            vector<int> temp;
+            temp.push_back(1);
+            for (int i = 0; i < j - 1; i++)
+            {
+                temp.push_back(res[n - 1][i] + res[n - 1][i + 1]);
+            }
+            temp.push_back(1);
+            res.push_back(temp);
+            count++;
+        }
+        return res[numRows - 1];
+    }
+};