ROT13/ROT47

复制import string

def rot13(text: str) -> str:
    """ROT13：仅移位 A-Z a-z，其他字符不变"""
    trans = str.maketrans(
        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
        "NOPQRSTUVWXYZABCDEFGHIJKLMnopqrstuvwxyzabcdefghijklm"
    )
    return text.translate(trans)

def rot47(text: str) -> str:
    """ROT47：移位 ASCII 33-126，其他字符不变"""
    result = []
    for ch in text:
        code = ord(ch)
        if 33 <= code <= 126:
            result.append(chr(33 + (code - 33 + 47) % 94))
        else:
            result.append(ch)
    return "".join(result)

# 示例
print(rot13("Hello, World!"))   # Uryyb, Jbeyq!
print(rot47("Hello, World!"))   # w6==@[ (@C=5P

复制package main

import (
	"fmt"
	"strings"
	"unicode"
)

func rot13(s string) string {
	return strings.Map(func(r rune) rune {
		switch {
		case 'a' <= r && r <= 'z':
			return 'a' + (r-'a'+13)%26
		case 'A' <= r && r <= 'Z':
			return 'A' + (r-'A'+13)%26
		default:
			return r
		}
	}, s)
}

func rot47(s string) string {
	return strings.Map(func(r rune) rune {
		if r >= 33 && r <= 126 {
			return 33 + (r-33+47)%94
		}
		return r
	}, s)
}

func main() {
	fmt.Println(rot13("Hello, World!")) // Uryyb, Jbeyq!
	fmt.Println(rot47("Hello, World!")) // w6==@[ (@C=5P
}

复制function rot13(text) {
  return text.replace(/[a-zA-Z]/g, (ch) => {
    const base = ch <= 'Z' ? 65 : 97;
    return String.fromCharCode(base + ((ch.charCodeAt(0) - base + 13) % 26));
  });
}

function rot47(text) {
  return text.replace(/[!-~]/g, (ch) => {
    const code = ch.charCodeAt(0);
    return String.fromCharCode(33 + ((code - 33 + 47) % 94));
  });
}

// 示例
console.log(rot13('Hello, World!')); // Uryyb, Jbeyq!
console.log(rot47('Hello, World!')); // w6==@[ (@C=5P