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28 lines
412 B
28 lines
412 B
package main |
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import ( |
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"fmt" |
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"io/ioutil" |
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"math" |
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"strconv" |
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"strings" |
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) |
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func main() { |
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data, err := ioutil.ReadFile("input.txt") |
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if err != nil { |
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fmt.Println("File reading error", err) |
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return |
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} |
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lines := strings.Split(string(data), "\n") |
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sum := 0.0 |
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for _, line := range lines { |
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fuel, _ := strconv.Atoi(line) |
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result := math.Floor(float64(fuel)/3) - 2 |
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sum += result |
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} |
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fmt.Println(int(sum)) |
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}
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