go解决leetcode-242

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

package main

import (
	"fmt"
	"reflect"
)

func isAnagram(s string, t string) bool {
	// var m1 map[string]int
	// var m2 map[string]int
	//map申明后默认是nil，得用make进行实例化
	m1 := make(map[string]int)
	m2 := make(map[string]int)

	for _, i := range s {
		m1[string(i)]++
	}
	for _, j := range t {
		m2[string(j)]++
	}
	return reflect.DeepEqual(m1, m2)
	//map不能直接用“==”进行比较

}

func main() {
	s := "hello"
	t := "lelho"
	// isAnagram(s, t)
	fmt.Println(isAnagram(s, t))

}

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

package main

import (
	"fmt"
)

func equal(x, y map[string]int) bool {
	if len(x) != len(y) {
		return false
	}
	for k, xv := range x {
		if yv, ok := y[k]; !ok || yv != xv {
			return false
		}
	}
	return true
}

func isAnagram(s string, t string) bool {
	m1 := make(map[string]int)
	m2 := make(map[string]int)

	for _, i := range s {
		m1[string(i)]++
	}
	for _, j := range t {
		m2[string(j)]++
	}

	return equal(m1, m2)

	// return reflect.DeepEqual(m1, m2)

}

func main() {
	s := "hello"
	t := "lelho"
	// isAnagram(s, t)
	fmt.Println(isAnagram(s, t))

}