ABC 049, abc done, d is too slow and incorrect, need to learn more about union find

atcoder/beginner_contests/abc049/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "abc049"
+version = "0.1.0"
+edition = "2021"
+
+# dependencies added to new project
+[dependencies]
+proconio = "0.4.3"
+
+[profile.release]
+lto = true
+panic = 'abort'