check sum is odd

Verifying solution... Test 1 passed! Test 2 passed! Test 3 failed [Hidden] Test 4 failed [Hidden] Test 5 failed [Hidden]
2022-04-24 05:12:48 +09:00 · 2022-04-24 05:12:48 +09:00 · cf6d493914
commit cf6d493914
parent d548438ea7
1 changed files with 3 additions and 0 deletions
--- a/extra/distract-the-trainers/solution.py
+++ b/extra/distract-the-trainers/solution.py
@ -24,6 +24,8 @@ def generate_trainer_pairs(trainer_id_list):
                yield [(first_id, second_id)] + pairs

 def check_loop(x, y):
+    if (x + y) % 2 == 1: # sum is odd
+        return True
    a, b = x, y
    memo = []
    while a != b:
@ -38,6 +40,7 @@ def check_loop(x, y):
    return False

 tests = [
+        ([1], 1),
        ([1, 1], 2),
        ([1, 7, 3, 21, 13, 19], 0),
        ]