diff --git a/staircase.cpp b/staircase.cpp
new file mode 100644
index 0000000..62b8e08
--- /dev/null
+++ b/staircase.cpp
@@ -0,0 +1,20 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+    int n,i,j,k;
+    cin>>n;
+    for(i=0;i<n;i++)
+    {
+        for(j=i+1;j<n;j++)
+        {
+            cout<<" ";
+        }
+        for(k=0;k<=i;k++)
+        {
+            cout<<"#";
+        }
+        cout<<endl;
+    }
+    return 0;
+}