38 lines
648 B
Go
38 lines
648 B
Go
package main
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import (
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"bufio"
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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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count := 0
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windows := [4]int{0, 0, 0, 0}
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i := 1
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s := bufio.NewScanner(os.Stdin)
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for s.Scan() {
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currentWindow := i % 4
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nextWindow := (i + 1) % 4
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value, _ := strconv.Atoi(s.Text())
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for j := 0; j < 4; j++ {
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if j != currentWindow {
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windows[j] += value
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}
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}
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//fmt.Println(value, windows, currentWindow, nextWindow, windows[nextWindow], windows[currentWindow])
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// skip the first 3 values to populate the windows
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if i > 3 && windows[nextWindow] > windows[currentWindow] {
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count++
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}
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windows[currentWindow] = 0
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i++
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}
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fmt.Println(count)
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}
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