agc052_b

1 files changed, 2 insertions, 0 deletions

diff --git a/atcoder.md b/atcoder.md
index 7d9f561..93d8089 100644
--- a/atcoder.md
+++ b/atcoder.md
@@ -213,3 +213,5 @@
 - abc191_f: Use property that only divisors of elements can be answers, so for each element, try to gcd it with its divisors
 
 - arc112_d: Build a new graph and the answer is just to connect all the rows or all the columns
+
+- agc052_b: It's a tree so consider paths and/or subtrees, also try rooting the tree, then add an imanginary node to clean things up, and as always do a lot of test cases