From a6988017d08007fafd53f0c6ff5f1efd97fef199 Mon Sep 17 00:00:00 2001
From: VicRen <vic.ren@me.com>
Date: Tue, 22 Dec 2020 09:37:25 +0800
Subject: [PATCH] 20201222

---
 20201222/main.go      | 40 +++++++++++++++++++++++++++++++++
 20201222/main_test.go | 51 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 20201222/main.go
 create mode 100644 20201222/main_test.go

diff --git a/20201222/main.go b/20201222/main.go
new file mode 100644
index 0000000..23e74e2
--- /dev/null
+++ b/20201222/main.go
@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func main() {
+
+}
+
+func isCompatible(a, b, c string) bool {
+	if c == "" {
+		return a == "" && b == ""
+	}
+	if len(c) != len(a)+len(b) {
+		return false
+	}
+	var r []uint8
+	l := -1
+	var ra []uint8
+	for i := 0; i < len(a); i++ {
+		ca := a[i]
+		for {
+			l++
+			cc := c[l]
+			if cc == ca {
+				ra = append(ra, ca)
+				break
+			}
+			r = append(r, c[l])
+		}
+	}
+	for i := l; i < len(c); i++ {
+		r = append(r, c[i])
+	}
+	fmt.Println(string(ra))
+	fmt.Println(string(r))
+	return strings.Contains(string(r), b)
+}
diff --git a/20201222/main_test.go b/20201222/main_test.go
new file mode 100644
index 0000000..a8398d2
--- /dev/null
+++ b/20201222/main_test.go
@@ -0,0 +1,51 @@
+package main
+
+import "testing"
+
+func Test_isCompatible(t *testing.T) {
+	type args struct {
+		a string
+		b string
+		c string
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{
+			"test1",
+			args{
+				"aabcc",
+				"dbbca",
+				"aadbbcbcac",
+			},
+			true,
+		},
+		{
+			"test2",
+			args{
+				"aabcc",
+				"dbbca",
+				"aadbbbaccc",
+			},
+			false,
+		},
+		{
+			"test3",
+			args{
+				"",
+				"",
+				"",
+			},
+			true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := isCompatible(tt.args.a, tt.args.b, tt.args.c); got != tt.want {
+				t.Errorf("isCompatible() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}