From 7e709963087dac82be11373b358526f52a5fc31f Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Thu, 9 Jun 2022 18:02:56 +0800
Subject: [PATCH] =?UTF-8?q?#109.=20=E5=B9=B6=E6=9F=A5=E9=9B=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

https://loj.ac/s/1479164
---
 LibreOJ/109/109.go     | 68 ++++++++++++++++++++++++++++++++++++++++++
 LibreOJ/109/data/0.in  |  3 ++
 LibreOJ/109/data/0.out |  3 ++
 LibreOJ/109/data/1.in  |  3 ++
 LibreOJ/109/data/1.out |  3 ++
 5 files changed, 80 insertions(+)
 create mode 100644 LibreOJ/109/109.go
 create mode 100644 LibreOJ/109/data/0.in
 create mode 100644 LibreOJ/109/data/0.out
 create mode 100644 LibreOJ/109/data/1.in
 create mode 100644 LibreOJ/109/data/1.out

diff --git a/LibreOJ/109/109.go b/LibreOJ/109/109.go
new file mode 100644
index 00000000..7d01d37f
--- /dev/null
+++ b/LibreOJ/109/109.go
@@ -0,0 +1,68 @@
+package main
+
+import (
+    "bufio"
+    "fmt"
+    "os"
+    "strconv"
+    "strings"
+)
+
+const mod = 998244353
+
+var fa [4000005]int
+
+func main() {
+    scanner := bufio.NewScanner(os.Stdin)
+
+    scanner.Scan()
+    raw := strings.Split(scanner.Text(), " ")
+    n, _ := strconv.Atoi(raw[0])
+    m, _ := strconv.Atoi(raw[1])
+
+    for i := 1; i <= n; i++ {
+        fa[i] = i
+    }
+
+    ans := 0
+
+    for i := 1; i <= m; i++ {
+        scanner.Scan()
+        raw := strings.Split(scanner.Text(), " ")
+        op, _ := strconv.Atoi(raw[0])
+        u, _ := strconv.Atoi(raw[1])
+        v, _ := strconv.Atoi(raw[2])
+
+        if op == 0 {
+            merge(u, v)
+        } else { // op == 1
+            ans <<= 1
+            ans |= bool2int(find(u) == find(v))
+            ans %= mod
+        }
+    }
+
+    fmt.Println(ans)
+}
+
+func find(x int) int {
+    if fa[x] == x {
+        return x
+    }
+
+    fa[x] = find(fa[x])
+
+    return fa[x]
+}
+
+func merge(x int, y int) {
+    fa[find(x)] = find(y)
+}
+
+func bool2int(x bool) int {
+    if x {
+        return 1
+    }
+
+    return 0
+}
diff --git a/LibreOJ/109/data/0.in b/LibreOJ/109/data/0.in
new file mode 100644
index 00000000..67ac29df
--- /dev/null
+++ b/LibreOJ/109/data/0.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:026c55efbd9b619fd204576b9887900239836b131e3337a6a668bb05f6dd331d
+size 69307325
diff --git a/LibreOJ/109/data/0.out b/LibreOJ/109/data/0.out
new file mode 100644
index 00000000..a79cbc2c
--- /dev/null
+++ b/LibreOJ/109/data/0.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb724a80ef3f67f88e997343343c6659f56f3508823853cc54dd15ecd1d44198
+size 11
diff --git a/LibreOJ/109/data/1.in b/LibreOJ/109/data/1.in
new file mode 100644
index 00000000..08c8511e
--- /dev/null
+++ b/LibreOJ/109/data/1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:748185e22033038cd4d00a1899bbc8ced89f301833413b0332e75cacf839a738
+size 142948024
diff --git a/LibreOJ/109/data/1.out b/LibreOJ/109/data/1.out
new file mode 100644
index 00000000..9587168c
--- /dev/null
+++ b/LibreOJ/109/data/1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:82c9932aa05d55c0f0e5f316bdb8b0f1d8acc261f80af8c6ea891659fdaad77a
+size 11