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63 lines
1.2 KiB
63 lines
1.2 KiB
2 years ago
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## atoibase
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### Instructions
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Write a function that takes two arguments:
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- `s`: a numeric `string` in a given [base](<https://simple.wikipedia.org/wiki/Base_(mathematics)>).
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- `base`: a `string` representing all the different digits that can represent a numeric value.
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And return the integer value of `s` in the given `base`.
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If the base is not valid it returns `0`.
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Validity rules for a base :
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- A base must contain at least 2 characters.
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- Each character of a base must be unique.
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- A base should not contain `+` or `-` characters.
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String number must contain only elements that are in base.
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Only valid `string` numbers will be tested.
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The function **does not have** to manage negative numbers.
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### Expected function
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```go
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func AtoiBase(s string, base string) 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 "fmt"
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func main() {
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fmt.Println(AtoiBase("125", "0123456789"))
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fmt.Println(AtoiBase("1111101", "01"))
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fmt.Println(AtoiBase("7D", "0123456789ABCDEF"))
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fmt.Println(AtoiBase("uoi", "choumi"))
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fmt.Println(AtoiBase("bbbbbab", "-ab"))
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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 .
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125
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125
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125
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125
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0
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$
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```
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