2840. 判断通过操作能否让字符串相等 II

main.go

@@ -1,91 +1,50 @@
 package main
 
-import (
-	"fmt"
-	"strconv"
-	"strings"
-)
+import "fmt"
 
-//type Test interface {
-//}
-//
-//func condTest(cond *sync.Cond) {
-//	cond.L.Lock()
-//	cond.Wait()
-//	fmt.Println("condTest")
-//	cond.L.Unlock()
-//}
-//func chanTest(ch chan<- *Test) {
-//
-//}
-
-func reverse(x int) int {
-	neg := false
-	if x < 0 {
-		neg = true
-		x = -x
-	}
-	s := fmt.Sprintf("%d", x)
-	var sb strings.Builder
-	for i := len(s) - 1; i >= 0; i-- {
-		sb.WriteByte(s[i])
-	}
-	s = sb.String()
-	var ans int32 = 0
-	for c := range s {
-		t, _ := strconv.ParseUint(string(s[c]), 10, 16)
-		ans = ans*10 + int32(t)
-	}
-	if neg {
-		ans = -ans
-		x = -x
-	}
-	s1, s2 := fmt.Sprintf("%d", x), fmt.Sprintf("%d", ans)
-	if neg {
-		s1 = s1[1:]
-		s2 = s2[1:]
-	}
-	if len(s1) != len(s2) {
-		for len(s2) < len(s1) {
-			s2 = "0" + s2
+func isMapEqual(a map[uint8]int, b map[uint8]int) bool {
+	for k, v := range a {
+		if val, ok := b[k]; ok {
+			if val != v {
+				return false
+			}
+		} else {
+			return false
 		}
 	}
-	for i := 0; i < len(s1); i++ {
-		if s1[i] != s2[len(s2)-1-i] {
-			return 0
+	for k, v := range b {
+		if val, ok := a[k]; ok {
+			if val != v {
+				return false
+			}
+		} else {
+			return false
 		}
 	}
-	return int(ans)
+	return true
+}
+func checkStrings(s1 string, s2 string) bool {
+	mp1 := make(map[uint8]int)
+	mp2 := make(map[uint8]int)
+	for i := 0; i < len(s1); i += 2 {
+		mp1[s1[i]]++
+		mp2[s2[i]]++
+	}
+	if !isMapEqual(mp1, mp2) {
+		return false
+	}
+	mp1 = make(map[uint8]int)
+	mp2 = make(map[uint8]int)
+	for i := 1; i < len(s1); i += 2 {
+		mp1[s1[i]]++
+		mp2[s2[i]]++
+	}
+	if !isMapEqual(mp1, mp2) {
+		return false
+	}
+	return true
 }
-
-//9646324351
-//2147483648
 
 func main() {
-	fmt.Println(reverse(1534236469))
-	//var x int = 16
-	//var y any = x
-	//if _, ok := y.(int); ok {
-	//	fmt.Println(x)
-	//}
-	//if _, ok := y.(int32); ok {
-	//	fmt.Println(x)
-	//}
-	//var mu sync.Mutex
-	//sync.NewCond(&mu)
-	//make(chan *Test, 6)
-	//var wg sync.WaitGroup
-	//wg.Add(1)
-	//wg.Done()
-	//var mu sync.Mutex
-	//cond := sync.NewCond(&mu)
-	//
-	//go condTest(cond)
-	//go condTest(cond)
-	//
-	//time.Sleep(time.Second * 2)
-	//cond.L.Lock()
-	//cond.Broadcast()
-	//cond.L.Unlock()
-	//time.Sleep(time.Second * 2)
+	fmt.Printf("%v", checkStrings("abcdba", "cabdab"))
 }