diff --git a/Answer15.cpp b/Answer15.cpp
new file mode 100644
index 0000000..036bdec
--- /dev/null
+++ b/Answer15.cpp
@@ -0,0 +1,22 @@
+class Solution {
+public:
+    int majorityElement(vector<int>& nums) {
+        int count = 0;
+        int candidate = 0;
+
+        for (int num : nums) {
+            if (count == 0) {
+                candidate = num;
+            }
+            if(num==candidate) count += 1; 
+            else count -= 1; 
+        }
+
+        return candidate;
+    }
+};
+
+//Input Format: N = 3, nums[] = {3,2,3}
+//Result: 3 
+
+// When we just count the occurrences of each number and compare with half of the size of the array, you will get 3 for the above solution. 
\ No newline at end of file
diff --git a/Answer55.cpp b/Answer55.cpp
new file mode 100644
index 0000000..ecf5597
--- /dev/null
+++ b/Answer55.cpp
@@ -0,0 +1,10 @@
+// It is the same structure but by using the in-built list STL data structures of C++
+
+class Graph{
+    int numVertices;
+    list<int> *adjLists;
+    
+  public:
+    Graph(int V);
+    void addEdge(int src, int dest);
+};
\ No newline at end of file