Hacking Wizards

Task2/Comp_coding/Famous C++ algorithms/bubble_sort.cpp

@@ -30,7 +30,7 @@ int main()
     cout << "Sorted array: \n";
 
     int i;
-    for (i = 0; i < size; i++)
+    for (i = 0; i < N; i++)
         cout << " " << arr[i];
 
     return 0;

Task2/Famous C++ algorithms/BreathFirst_search.cpp

@@ -0,0 +1,90 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+// adjacency list representation
+class Graph
+{
+
+    // No. of vertices
+    int V;
+
+    // Pointer to an array containing adjacency lists
+    vector<list<int>> adj;
+
+public:
+    // Constructor
+    Graph(int V);
+
+    // Function to add an edge to graph
+    void addEdge(int v, int w);
+
+    // Prints BFS traversal from a given source s
+    void BFS(int s);
+};
+
+Graph::Graph(int V)
+{
+    this->V = V;
+    adj.resize(V);
+}
+
+void Graph::addEdge(int v, int w)
+{
+    // Add w to v’s list.
+    adj[v].push_back(w);
+}
+
+void Graph::BFS(int s)
+{
+    // Mark all the vertices as not visited
+    vector<bool> visited;
+    visited.resize(V, false);
+
+    // Create a queue for BFS
+    list<int> queue;
+
+    // Mark the current node as visited and enqueue it
+    visited[s] = true;
+    queue.push_back(s);
+
+    while (!queue.empty())
+    {
+
+        // Dequeue a vertex from queue and print it
+        s = queue.front();
+        cout << s << " ";
+        queue.pop_front();
+
+        // Get all adjacent vertices of the dequeued
+        // vertex s.
+        // If an adjacent has not been visited,
+        // then mark it visited and enqueue it
+        for (auto adjacent : adj[s])
+        {
+            if (!visited[adjacent])
+            {
+                visited[adjacent] = true;
+                queue.push_back(adjacent);
+            }
+        }
+    }
+}
+
+// Driver code
+int main()
+{
+    // Create a graph given in the above diagram
+    Graph g(4);
+    g.addEdge(0, 1);
+    g.addEdge(0, 2);
+    g.addEdge(1, 2);
+    g.addEdge(2, 0);
+    g.addEdge(2, 3);
+    g.addEdge(3, 3);
+
+    cout << "Following is Breadth First Traversal "
+         << "(starting from vertex 2) \n";
+    g.BFS(2); // starting node
+
+    return 0;
+}

Task2/Famous C++ algorithms/DepthFirst_Search.cpp

@@ -0,0 +1,62 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+// Graph class represents a directed graph
+// using adjacency list representation
+class Graph
+{
+public:
+    map<int, bool> visited;
+    map<int, list<int>> adj;
+
+    // Function to add an edge to graph
+    void addEdge(int v, int w);
+
+    // DFS traversal of the vertices
+    // reachable from v
+    void DFS(int v);
+};
+
+void Graph::addEdge(int v, int w)
+{
+    // Add w to v’s list.
+    adj[v].push_back(w);
+}
+
+void Graph::DFS(int v)
+{
+    // Mark the current node as visited and
+    // print it
+    visited[v] = true;
+    cout << v << " ";
+
+    // Recur for all the vertices adjacent
+    // to this vertex
+    list<int>::iterator i;
+    for (i = adj[v].begin(); i != adj[v].end(); ++i)
+        if (!visited[*i])
+            DFS(*i);
+}
+
+// Driver code
+int main()
+{
+    // Create a graph given in the above diagram
+    Graph g;
+    g.addEdge(0, 1);
+    g.addEdge(0, 2);
+    g.addEdge(1, 2);
+    g.addEdge(2, 0);
+    g.addEdge(2, 3);
+    g.addEdge(3, 3);
+
+    cout << "Following is Depth First Traversal"
+            " (starting from vertex 2) \n";
+
+    // Function call
+    g.DFS(2); // starting node
+
+    return 0;
+}
+
+// improved by Vishnudev C

Task2/Famous C++ algorithms/binary_search.cpp

@@ -0,0 +1,38 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+// An iterative binary search function.
+int binarySearch(int arr[], int l, int r, int x)
+{
+    while (l <= r)
+    {
+        int m = l + (r - l) / 2;
+
+        // Check if x is present at mid
+        if (arr[m] == x)
+            return m;
+
+        // If x greater, ignore left half
+        if (arr[m] < x)
+            l = m + 1;
+
+        // If x is smaller, ignore right half
+        else
+            r = m - 1;
+    }
+
+    // If we reach here, then element was not present
+    return -1;
+}
+
+int main()
+{
+    int arr[] = {2, 3, 4, 10, 40};
+    int x = 10;
+    int n = sizeof(arr) / sizeof(arr[0]);
+    int result = binarySearch(arr, 0, n - 1, x);
+    (result == -1)
+        ? cout << "Element is not present in array"
+        : cout << "Element is present at index " << result;
+    return 0;
+}

gitfetch.js

@@ -84,7 +84,14 @@ const profiles = [
   { githubUsername: "vaibhavsahu1290", linkedinID: "vaibhav-sahu-ba5a8528b" },
   { githubUsername: "Rimjhim-mm", linkedinID: "rimjhim-tiwari-a391a7253" },
   { githubUsername: "Ayus3h", linkedinID: "ayush-yadav-57134728b" },
-  { githubUsername: "drifterDev", linkedinID: "mateo-álvarez-murillo-34679b259" },
+  {
+    githubUsername: "drifterDev",
+    linkedinID: "mateo-álvarez-murillo-34679b259",
+  },
+  {
+    githubUsername: "theharism",
+    linkedinID: "muhammad-haris-0b6a6b1b7",
+  },
 
   // Add more profiles as needed