diff --git a/Algorithms b/Algorithms
new file mode 160000
index 000000000..e6a075705
--- /dev/null
+++ b/Algorithms
@@ -0,0 +1 @@
+Subproject commit e6a0757056d79285b1f36e72c7ce9a7b411c13a9
diff --git a/Array/largest_sum_contiguous_subarray.py b/Array/largest_sum_contiguous_subarray.py
new file mode 100644
index 000000000..797cb8d5d
--- /dev/null
+++ b/Array/largest_sum_contiguous_subarray.py
@@ -0,0 +1,13 @@
+def largest_sum_contiguous_subarray(arr):
+    max_now = 0
+    max_next = 0
+    for i in arr:
+        max_next += i
+        max_now = max(max_next, max_now)
+        max_next = max(0, max_next)
+    return max_now
+
+
+
+arr = list(map(int,input().split()))
+print('Maximum contiguous sum is', largest_sum_contiguous_subarray(arr))
diff --git a/Random Number/Guess-The-Number.java b/Random Number/Guess-The-Number.java
new file mode 100644
index 000000000..f25dbde63
--- /dev/null
+++ b/Random Number/Guess-The-Number.java	
@@ -0,0 +1,35 @@
+import java.util.*;
+
+public class Program
+{
+	public static void main(String[] args) {
+	    Scanner sc = new Scanner(System.in);
+	    
+	    Random rand = new Random();
+	    
+	    int number = rand.nextInt(100);
+	    
+	    System.out.println("Enter A number between 1 to 100");
+	    int input = sc.nextInt();
+	    int count=1;
+	    while(input!=number){
+	        if(input>number)
+	            System.out.println("Number Guess by You is Higher");
+	        else
+	            System.out.println("Number Guess by You is Smaller");
+	       System.out.println("1.Continue\n2.Exit");
+	       int choice=sc.nextInt();
+	       switch(choice){
+	           case 1:
+	               input=sc.nextInt();
+	               break;
+	           case 2:
+	               System.exit(0);
+	       }
+	       count++;
+	    }
+	    
+	    System.out.println("Congratulation You Guess Number Correctly in "+count);
+		
+	}
+}
diff --git a/Random Number/random_walk.py b/Random Number/random_walk.py
new file mode 100644
index 000000000..ad3583e89
--- /dev/null
+++ b/Random Number/random_walk.py	
@@ -0,0 +1,33 @@
+
+import numpy as np
+import matplotlib.pyplot as plt
+
+n = int(input('Enter number of random step u want to walk: '))
+print("")
+
+np.random.seed(123)
+random_walk = [0]
+
+for x in range(n) :
+    # Set step: last element in random_walk
+    step = random_walk[-1]
+    # Roll the dice
+    dice = np.random.randint(1,7)
+
+    # Determine next step
+    if dice <= 2:
+        step = max(0,step - 1)
+    elif dice <= 5:
+        step = step + 1
+    else:
+        step = step + np.random.randint(1,7)
+
+    # append next_step to random_walk
+    random_walk.append(step)
+
+
+print(random_walk)
+
+
+plt.plot(random_walk)
+plt.show()
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