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29 lines
369 B
29 lines
369 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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"lib/is" |
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) |
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func main() { |
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if len(os.Args) != 2 { |
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fmt.Println("0") |
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} else { |
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argument, _ := strconv.Atoi(os.Args[1]) |
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if argument < 0 { |
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fmt.Println("0") |
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} else { |
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result := 0 |
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for ; argument >= 0; argument-- { |
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if is.Prime(argument) { |
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result += argument |
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} |
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} |
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fmt.Println(result) |
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} |
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} |
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}
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