Project Euler (Hackerrank) - added

Author: junthbasnet

Project-Euler(Hackerrank)/ProjectEuler1-Multiples-of-3-and-5.py

@@ -0,0 +1,19 @@
+# Author : Junth Basnet
+"""
+https://www.hackerrank.com/contests/projecteuler/challenges/euler001/problem
+"""
+def S(n):
+    return (n * (n + 1)) // 2
+
+for _ in range(int(input())):
+
+    n = int(input())
+    #Sum of natural numbers below the given number
+    n -= 1
+
+    result = (S(n // 3) * 3) + (S(n // 5) * 5) - (S(n // 15) * 15)
+    print(result)
+
+    
+
+