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32 lines
529 B
Go
32 lines
529 B
Go
package main
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import (
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"bufio"
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"log"
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"os"
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)
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// readlines reads lines from stdin.
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// it returns them as an array of strings
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func readlines() []string {
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lines := []string{}
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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lines = append(lines, scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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return lines
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}
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// replaceAtIndex replaces a character in a string at index i
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func replaceAtIndex(in string, r rune, i int) string {
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out := []rune(in)
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out[i] = r
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return string(out)
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}
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