added symbol variable

pattern4.cpp

@@ -4,7 +4,9 @@
    ***
     *
 */
-
+// nRows => number of rows
+// nSpace => number of space between two stars
+//symbol => if want unique symbool then can provide otherwise it will take astrik/star
 #include <iostream>
 using namespace std;
 
@@ -20,12 +22,22 @@ int main() {
   }
 
   int nSpace=0;
+  char symbol = "*";
+  char ans = "n";
+  cout<<" \n Do you want some symbol, By default its astrik/star (y/n) : ";
+  cin>>ans;
+  if(ans == "y" || ans == "Y" || ans == "yes" || ans == "YES")
+  {
+    cout<<"\n Enter the symbol for pattern, By default its star/astrik ";
+    cin>>symbol;
+  }
+
   for (int i=nRows; i>=1; i--) {
     for (int k=nSpace; k>=1; k--) {
       cout << " ";
     }
     for (int j=(2*i-1); j>=1; j--) {
-      cout << "*";
+      cout << symbool;
     }
     cout << "\n";
     nSpace++;