diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..48bd760e
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "ostream": "cpp",
+        "iostream": "cpp"
+    }
+}
\ No newline at end of file
diff --git a/C++/Bubble_Sort.cpp b/C++/Bubble_Sort.cpp
new file mode 100644
index 00000000..22e816a9
--- /dev/null
+++ b/C++/Bubble_Sort.cpp
@@ -0,0 +1,44 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+void bubbleSort(int arr[], int n)
+{
+    int i, j;
+    for (i = 0; i < n - 1; i++)
+    {
+        for (j = 0; j < n - i - 1; j++)
+        {
+            if (arr[j] > arr[j + 1])
+            {
+                swap(arr[j], arr[j + 1]);
+            }
+        }
+    }
+}
+
+void printArray(int arr[], int size)
+{
+    int i;
+    for (i = 0; i < size; i++)
+    {
+        cout << arr[i] << " ";
+    }
+    cout << endl;
+}
+
+int main()
+{
+    cout<<"Enter the number of elements in the array: "<<endl;
+    int n;
+    cin>>n;
+    cout<<"Enter the elements in the array: "<<endl;
+    int arr[n];
+    for(int i=0;i<n;i++)
+    {
+        cin>>arr[i];
+    }
+    bubbleSort(arr, n);
+    cout << "Sorted array: \n";
+    printArray(arr, n);
+    return 0;
+}
diff --git a/C++/Bubble_Sort.exe b/C++/Bubble_Sort.exe
new file mode 100644
index 00000000..db6e225c
Binary files /dev/null and b/C++/Bubble_Sort.exe differ
diff --git a/C++/Matrix_Multiplication.cpp b/C++/Matrix_Multiplication.cpp
new file mode 100644
index 00000000..1aeb71b5
--- /dev/null
+++ b/C++/Matrix_Multiplication.cpp
@@ -0,0 +1,52 @@
+#include <bits/stdc++.h>
+using namespace std;
+#define R1 2
+#define C1 2
+#define R2 2
+#define C2 2
+
+void mulMat(int mat1[][C1], int mat2[][C2])
+{
+	int rslt[R1][C2];
+
+	cout << "Multiplication of given two matrices is:\n";
+
+	for (int i = 0; i < R1; i++) {
+		for (int j = 0; j < C2; j++) {
+			rslt[i][j] = 0;
+
+			for (int k = 0; k < R2; k++) {
+				rslt[i][j] += mat1[i][k] * mat2[k][j];
+			}
+
+			cout << rslt[i][j] << "\t";
+		}
+
+		cout << endl;
+	}
+}
+
+int main()
+{
+	int mat1[R1][C1] = { { 1, 1 },
+						{ 2, 2 } };
+
+	int mat2[R2][C2] = { { 1, 1 },
+						{ 2, 2 } };
+
+	if (C1 != R2) {
+		cout << "The number of columns in Matrix-1 must "
+				"be equal to the number of rows in "
+				"Matrix-2"
+			<< endl;
+		cout << "Please update MACROs according to your "
+				"array dimension in #define section"
+			<< endl;
+
+		exit(EXIT_FAILURE);
+	}
+
+	mulMat(mat1, mat2);
+
+	return 0;
+}
diff --git a/HackerRank-Python-main/Tice Tac Toe.py b/HackerRank-Python-main/Tice Tac Toe.py
new file mode 100644
index 00000000..c23dda57
--- /dev/null
+++ b/HackerRank-Python-main/Tice Tac Toe.py	
@@ -0,0 +1,99 @@
+import numpy as np
+import random
+from time import sleep
+
+def create_board():
+	return(np.array([[0, 0, 0],
+					[0, 0, 0],
+					[0, 0, 0]]))
+
+def possibilities(board):
+	l = []
+	
+	for i in range(len(board)):
+		for j in range(len(board)):
+			
+			if board[i][j] == 0:
+				l.append((i, j))
+	return(l)
+
+def random_place(board, player):
+	selection = possibilities(board)
+	current_loc = random.choice(selection)
+	board[current_loc] = player
+	return(board)
+
+def row_win(board, player):
+	for x in range(len(board)):
+		win = True
+		
+		for y in range(len(board)):
+			if board[x, y] != player:
+				win = False
+				continue
+				
+		if win == True:
+			return(win)
+	return(win)
+
+def col_win(board, player):
+	for x in range(len(board)):
+		win = True
+		
+		for y in range(len(board)):
+			if board[y][x] != player:
+				win = False
+				continue
+				
+		if win == True:
+			return(win)
+	return(win)
+
+def diag_win(board, player):
+	win = True
+	y = 0
+	for x in range(len(board)):
+		if board[x, x] != player:
+			win = False
+	if win:
+		return win
+	win = True
+	if win:
+		for x in range(len(board)):
+			y = len(board) - 1 - x
+			if board[x, y] != player:
+				win = False
+	return win
+
+def evaluate(board):
+	winner = 0
+	
+	for player in [1, 2]:
+		if (row_win(board, player) or
+			col_win(board,player) or
+			diag_win(board,player)):
+				
+			winner = player
+			
+	if np.all(board != 0) and winner == 0:
+		winner = -1
+	return winner
+
+def play_game():
+	board, winner, counter = create_board(), 0, 1
+	print(board)
+	sleep(2)
+	
+	while winner == 0:
+		for player in [1, 2]:
+			board = random_place(board, player)
+			print("Board after " + str(counter) + " move")
+			print(board)
+			sleep(2)
+			counter += 1
+			winner = evaluate(board)
+			if winner != 0:
+				break
+	return(winner)
+
+print("Winner is: " + str(play_game()))