O(1)

Tanmay-901 · web-flow · commit 24b5c71e8a64 · 2020-08-19T00:27:16.000+05:30
sum of all the numbers till n
diff --git a/sum_total (∑n) b/sum_total (∑n)
@@ -0,0 +1,5 @@
+def sum_total(n):
+    return int(n*(n+1)/2)
+
+
+print(sum_total(10))
