57 lines
786 B
Go
57 lines
786 B
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"strconv"
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)
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func main() {
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f, err := os.Open("input")
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if err != nil {
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log.Fatalf("%+v", err)
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}
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defer f.Close()
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scanner := bufio.NewScanner(f)
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scanner.Split(bufio.ScanLines)
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scanner.Scan()
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A, err := strconv.Atoi(scanner.Text())
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if err != nil {
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log.Fatalf("%+v", err)
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}
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scanner.Scan()
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B, err := strconv.Atoi(scanner.Text())
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if err != nil {
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log.Fatalf("%+v", err)
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}
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A += B
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scanner.Scan()
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C, err := strconv.Atoi(scanner.Text())
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if err != nil {
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log.Fatalf("%+v", err)
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}
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B += C
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A += C
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result := 0
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for scanner.Scan() {
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D, err := strconv.Atoi(scanner.Text())
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if err != nil {
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log.Fatalf("%+v", err)
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}
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C += D
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B += D
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if B > A {
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result++
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}
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A = B
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B = C
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C = D
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}
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fmt.Println(result)
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}
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