Added a program which prints a pattern

HelloWorld/helloworld.cpp

@@ -1,8 +1,8 @@
-#include<stdio.h>
-#include<iostream>
-
-int main()
-{
-	printf("Hello World!");
-}
-
+#include<stdio.h>
+#include<iostream>
+
+int main()
+{
+	printf("Hello World!");
+}
+

algorithms/final_pattern.cpp

@@ -0,0 +1,27 @@
+#include<iostream>
+using namespace std;
+
+int main(){
+    int n;
+    cin>>n;
+    int row = 1;
+    while(row<=n){
+        int col = 1;
+        while(col<=n-row+1){
+            cout<<col;
+            col++;
+        }
+        int start = (row - 1)*2;
+        while(start){
+            cout<<"*";
+            start--;
+        } 
+        col = n - row + 1;
+        while(col >= 1){
+            cout<<col;
+            col--;
+        }
+        cout<<endl;
+        row++;
+    }
+}