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98 lines
1.9 KiB
Markdown
98 lines
1.9 KiB
Markdown
---
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id: 69b58ce40693f140c84c855b
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title: "Challenge 242: Next Bingo Number"
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challengeType: 29
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dashedName: challenge-242
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---
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# --description--
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Given a bingo number, return the next bingo number sequentially.
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A bingo number is a single letter followed by a number in its range according to this chart:
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| Letter | Number Range |
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| - | - |
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| `"B"` | 1-15 |
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| `"I"` | 16-30 |
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| `"N"` | 31-45 |
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| `"G"` | 46-60 |
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| `"O"` | 61-75 |
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For example, given `"B10"`, return `"B11"`, the next bingo number. If given the last bingo number, return `"B1"`.
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# --hints--
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`get_next_bingo_number("B10")` should return `"B11"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(get_next_bingo_number("B10"), "B11")`)
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}})
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```
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`get_next_bingo_number("N33")` should return `"N34"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(get_next_bingo_number("N33"), "N34")`)
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}})
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```
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`get_next_bingo_number("I30")` should return `"N31"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(get_next_bingo_number("I30"), "N31")`)
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}})
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```
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`get_next_bingo_number("G60")` should return `"O61"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(get_next_bingo_number("G60"), "O61")`)
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}})
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```
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`get_next_bingo_number("O75")` should return `"B1"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(get_next_bingo_number("O75"), "B1")`)
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}})
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```
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# --seed--
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## --seed-contents--
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```py
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def get_next_bingo_number(n):
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return n
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```
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# --solutions--
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```py
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def get_next_bingo_number(n):
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num = int(n[1:])
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next_num = 1 if num == 75 else num + 1
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if next_num <= 15:
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return "B" + str(next_num)
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if next_num <= 30:
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return "I" + str(next_num)
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if next_num <= 45:
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return "N" + str(next_num)
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if next_num <= 60:
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return "G" + str(next_num)
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return "O" + str(next_num)
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```
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