Commit 909d2d6

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Refactor fizzBuzz function in README_EN.md

Refactor fizzBuzz function to use switch-case and improve performance.

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Original file line number	Diff line number	Diff line change
`@@ -129,21 +129,21 @@ public:`
`129`	`129`	`#### Go`
`130`	`130`
`131`	`131`	```go
`132`		`-func fizzBuzz(n int) (ans []string) {`
`133`		`- for i := 1; i <= n; i++ {`
`134`		`- s := &strings.Builder{}`
`135`		`- if i%3 == 0 {`
`136`		`- s.WriteString("Fizz")`
	`132`	`+func fizzBuzz(n int) []string {`
	`133`	`+ ans := make([]string, 0, n)`
	`134`	`+ for i := 1; i < n+1; i++ {`
	`135`	`+ switch {`
	`136`	`+ case i%15 == 0:`
	`137`	`+ ans = append(ans, "FizzBuzz")`
	`138`	`+ case i%3 == 0:`
	`139`	`+ ans = append(ans, "Fizz")`
	`140`	`+ case i%5 == 0:`
	`141`	`+ ans = append(ans, "Buzz")`
	`142`	`+ default:`
	`143`	`+ ans = append(ans, strconv.Itoa(i))`
`137`	`144`	`}`
`138`		`- if i%5 == 0 {`
`139`		`- s.WriteString("Buzz")`
`140`		`- }`
`141`		`- if s.Len() == 0 {`
`142`		`- s.WriteString(strconv.Itoa(i))`
`143`		`- }`
`144`		`- ans = append(ans, s.String())`
`145`	`145`	`}`
`146`		`- return`
	`146`	`+ return ans`
`147`	`147`	`}`
`148`	`148`	```
`149`	`149`

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