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39 lines
580 B
39 lines
580 B
package main |
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import ( |
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"fmt" |
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"os" |
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"strconv" |
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) |
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func main() { |
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if len(os.Args) == 3 { |
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secondArg := 0 |
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firstArg, err := strconv.Atoi(os.Args[1]) |
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if err == nil { |
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secondArg, err = strconv.Atoi(os.Args[2]) |
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} |
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if err != nil { |
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fmt.Println(err) |
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return |
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} |
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fmt.Println(rangeOf(firstArg, secondArg)) |
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} else { |
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fmt.Println() |
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} |
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} |
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func rangeOf(start, end int) []int { |
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var ran []int |
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if start >= end { |
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for i := start; i >= end; i-- { |
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ran = append(ran, i) |
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} |
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return ran |
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} else { |
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for i := start; i <= end; i++ { |
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ran = append(ran, i) |
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} |
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return ran |
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} |
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}
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