Question

How to get the reciprocal of the letters in a string with Go

Answer 1

package main

import (
	"fmt"
)

func getReciprocal(s string) string {
	tmp := ""
	lenS := len(s)

	for i := 0; i < lenS; i++ {
		if s[i] >= 'A' && s[i] <= 'Z' {
			tmp += string('Z' - (s[i] - 'A'))
		} else if s[i] >= 'a' && s[i] <= 'z' {
			tmp += string('z' - (s[i] - 'a'))
		} else {
			tmp += string(s[i])
		}
	}

	return tmp
}

func main() {
	s := "abc++def"

	s = getReciprocal(s)

	fmt.Println(s)
}



/*
run:

zyx++wvu

*/

 

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