From be6678fbca007e73d69c9a9c5cddb8241a987149 Mon Sep 17 00:00:00 2001
From: Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
Date: Mon, 15 Jul 2019 19:58:48 +0700
Subject: So I gave up on a number theory one

---
 codechef/chfm.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100755 codechef/chfm.py

(limited to 'codechef/chfm.py')

diff --git a/codechef/chfm.py b/codechef/chfm.py
new file mode 100755
index 0000000..99b3d99
--- /dev/null
+++ b/codechef/chfm.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+for _ in range(int(input())):
+    input()
+    a = [int(i) for i in input().split()]
+    d, m = divmod(sum(a), len(a))
+    if m:
+        print('Impossible')
+        continue
+    try:
+        print(a.index(d) + 1)
+    except ValueError:
+        print('Impossible')
-- 
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