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  1. package main
  2.  
  3. 	import (
  4. 		"fmt"
  5. 		"strconv"
  6. 		"strings"
  7. 	)
  8.  
  9. 	func main() {
  10. 		fmt.Println(TalkingClock("00:00"))
  11. 		fmt.Println(TalkingClock("01:30"))
  12. 		fmt.Println(TalkingClock("12:05"))
  13. 		fmt.Println(TalkingClock("14:01"))
  14. 		fmt.Println(TalkingClock("20:29"))
  15. 		fmt.Println(TalkingClock("21:00"))
  16. 	}
  17.  
  18. 	func TalkingClock(time string) string {
  19. 		hour, minute := UnpackPair(time, ":")
  20.  
  21. 		period := "am"
  22. 		if i, _ := strconv.Atoi(hour); i >= 12 {
  23. 			hour = strconv.Itoa(i - 12)
  24. 			period = "pm"
  25. 		}
  26.  
  27. 		if minute == "00" {
  28. 			return "It's " + HourToWords(hour) + " " + period
  29. 		}
  30.  
  31. 		return "It's " + HourToWords(hour) + " " + MinuteToWords(minute) + " " + period
  32. 	}
  33.  
  34. 	func oneToTen(n string) string {
  35. 		i, _ := strconv.Atoi(n)
  36. 		switch i {
  37. 		case 1:
  38. 			return "one"
  39. 		case 2:
  40. 			return "two"
  41. 		case 3:
  42. 			return "three"
  43. 		case 4:
  44. 			return "four"
  45. 		case 5:
  46. 			return "five"
  47. 		case 6:
  48. 			return "six"
  49. 		case 7:
  50. 			return "seven"
  51. 		case 8:
  52. 			return "eight"
  53. 		case 9:
  54. 			return "nine"
  55. 		default:
  56. 			return "ten"
  57. 		}
  58. 	}
  59.  
  60. 	func HourToWords(hour string) string {
  61. 		i, _ := strconv.Atoi(hour)
  62. 		switch i {
  63. 		case 0:
  64. 			return "twelve"
  65. 		case 11:
  66. 			return "eleven"
  67. 		default:
  68. 			return oneToTen(hour)
  69. 		}
  70. 	}
  71.  
  72. 	func MinuteToWords(minute string) string {
  73. 		if minute == "00" {
  74. 			return ""
  75. 		}
  76.  
  77. 		if minute == "10" {
  78. 			return "ten"
  79. 		}
  80.  
  81. 		imin, _ := strconv.Atoi(minute)
  82.  
  83. 		if imin < 10 {
  84. 			return "oh " + oneToTen(minute)
  85. 		}
  86.  
  87. 		if imin > 10 && imin < 16 {
  88. 			switch imin {
  89. 			case 11:
  90. 				return "eleven"
  91. 			case 12:
  92. 				return "twelve"
  93. 			case 13:
  94. 				return "thirteen"
  95. 			case 14:
  96. 				return "fourteen"
  97. 			default:
  98. 				return "fifteen"
  99. 			}
  100. 		}
  101.  
  102. 		tens, ones := UnpackPair(minute, "")
  103.  
  104. 		if imin < 20 {
  105. 			return oneToTen(ones) + "teen"
  106. 		}
  107.  
  108. 		itens, _ := strconv.Atoi(tens)
  109. 		switch itens {
  110. 		case 2:
  111. 			tens = "twenty"
  112. 		case 3:
  113. 			tens = "thirty"
  114. 		case 4:
  115. 			tens = "fourty"
  116. 		default:
  117. 			tens = "fifty"
  118. 		}
  119.  
  120. 		if i, _ := strconv.Atoi(ones); i == 0 {
  121. 			return tens
  122. 		}
  123.  
  124. 		return tens + " " + oneToTen(ones)
  125. 	}
  126.  
  127. 	func UnpackPair(str string, sep string) (string, string) {
  128. 		split := strings.SplitN(str, sep, 2)
  129. 		if len(split) == 1 {
  130. 			return split[0], ""
  131. 		}
  132. 		return split[0], split[1]
  133. 	}
Success #stdin #stdout 0s 3088KB
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It's twelve am
It's one thirty am
It's twelve oh five pm
It's two oh one pm
It's eight twenty nine pm
It's nine pm
https://ideone.com/jaithR
language:
Go (go 1.12.1)
created:
6 years ago
visibility:
public

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