16 lines
191 B
Go
16 lines
191 B
Go
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package main
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import (
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"fmt"
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)
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func main() {
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sum := 0
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for prev, curr := 1, 1; curr <= 4000000; prev, curr = curr, prev+curr {
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if curr%2 == 0 {
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sum += curr
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}
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}
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fmt.Println(sum)
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}
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