62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"math"
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"strconv"
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"strings"
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)
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var tenToAny map[int]string = map[int]string{0: "0", 1: "1", 2: "2", 3: "3", 4: "4", 5: "5", 6: "6", 7: "7", 8: "8", 9: "9", 10: "a", 11: "b", 12: "c", 13: "d", 14: "e", 15: "f", 16: "g", 17: "h", 18: "i", 19: "j", 20: "k", 21: "l", 22: "m", 23: "n", 24: "o", 25: "p", 26: "q", 27: "r", 28: "s", 29: "t", 30: "u", 31: "v", 32: "w", 33: "x", 34: "y", 35: "z", 36: ":", 37: ";", 38: "<", 39: "=", 40: ">", 41: "?", 42: "@", 43: "[", 44: "]", 45: "^", 46: "_", 47: "{", 48: "|", 49: "}", 50: "A", 51: "B", 52: "C", 53: "D", 54: "E", 55: "F", 56: "G", 57: "H", 58: "I", 59: "J", 60: "K", 61: "L", 62: "M", 63: "N", 64: "O", 65: "P", 66: "Q", 67: "R", 68: "S", 69: "T", 70: "U", 71: "V", 72: "W", 73: "X", 74: "Y", 75: "Z"}
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func main() {
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fmt.Println(decimalToAny(1024126004316082177, 2))
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fmt.Println(anyToDecimal("111000110110011011010010110011000100100000000001000000000000", 2))
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}
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// 10进制转任意进制
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func decimalToAny(num, n int) string {
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new_num_str := ""
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var remainder int
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var remainder_string string
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for num != 0 {
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remainder = num % n
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if 76 > remainder && remainder > 9 {
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remainder_string = tenToAny[remainder]
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} else {
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remainder_string = strconv.Itoa(remainder)
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}
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new_num_str = remainder_string + new_num_str
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num = num / n
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}
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return new_num_str
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}
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// map根据value找key
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func findkey(in string) int {
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result := -1
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for k, v := range tenToAny {
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if in == v {
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result = k
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}
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}
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return result
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}
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// 任意进制转10进制
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func anyToDecimal(num string, n int) int {
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var new_num float64
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new_num = 0.0
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nNum := len(strings.Split(num, "")) - 1
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for _, value := range strings.Split(num, "") {
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tmp := float64(findkey(value))
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if tmp != -1 {
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new_num = new_num + tmp*math.Pow(float64(n), float64(nNum))
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nNum = nNum - 1
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} else {
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break
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}
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}
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return int(new_num)
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}
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