2 files changed, 80 insertions, 0 deletions
diff --git a/1657/go.mod b/1657/go.mod
new file mode 100644
index 0000000..dac37e3
--- /dev/null
+++ b/1657/go.mod
@@ -0,0 +1,3 @@
+module 1657
+
+go 1.18
diff --git a/1657/main.go b/1657/main.go
new file mode 100644
index 0000000..7dfdcb4
--- /dev/null
+++ b/1657/main.go
@@ -0,0 +1,77 @@
+package main
+
+import "fmt"
+
+func dumpDict(dict map[int]int) {
+	for key, val := range dict {
+		fmt.Println(key, val)
+	}
+}
+
+func getWordDict(word string) map[int]int {
+	dict := make(map[int]int)
+
+	for i := 0; i < len(word); i++ {
+		if _, ok := dict[int(word[i])]; ok {
+			dict[int(word[i])]++
+		} else {
+			dict[int(word[i])] = 1
+		}
+	}
+
+	return dict
+}
+
+func closeStrings(word1 string, word2 string) bool {
+
+	if len(word1) != len(word2) {
+		return false
+	}
+
+	dict1 := getWordDict(word1)
+	dict2 := getWordDict(word2)
+
+	// dumpDict(dict1)
+	// fmt.Println()
+	// dumpDict(dict2)
+
+	if len(dict1) != len(dict2) {
+		return false
+	}
+
+	for key, _ := range dict1 {
+		if _, ok := dict2[key]; ok {
+			continue
+		} else {
+			return false
+		}
+	}
+
+	delete_key := 0
+	matched := false
+	for _, val := range dict1 {
+		for key2, val2 := range dict2 {
+			if val == val2 {
+				delete(dict2, key2)
+				matched = true
+				delete_key = key2
+				break
+			}
+		}
+
+		if matched == true {
+			matched = false
+			delete(dict2, delete_key)
+		} else {
+			return false
+		}
+	}
+
+	return true
+}
+
+func main() {
+	word1 := "abbzzca"
+	word2 := "babzzcz"
+	fmt.Println(closeStrings(word1, word2))
+}