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47 lines
774 B
47 lines
774 B
2 years ago
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## digitlen
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### Instructions
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Write a function `DigitLen()` that takes two integers as arguments and returns the number of digits in the first `int` by the base of the second `int`.
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- The second `int` must be between ***2*** and ***36***. If not, the function returns `-1`.
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- If the first `int` is negative, reverse the sign and count the digits.
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### Expected function
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```go
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func DigitLen(n, base int) int {
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}
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```
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### Usage
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Here is a possible program to test your function:
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```go
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package main
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import (
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"fmt"
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"piscine"
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)
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func main() {
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fmt.Println(piscine.DigitLen(100, 10))
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fmt.Println(piscine.DigitLen(100, 2))
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fmt.Println(piscine.DigitLen(-100, 16))
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fmt.Println(piscine.DigitLen(100, -1))
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}
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```
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And its output:
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```console
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$ go run . | cat -e
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3
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7
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2
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-1
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```
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