Submission #3806709

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Source Code Expand

package main

import (
	"bufio"
	"fmt"
	"io"
	"os"
)

var nextString func() string

func init() {
	nextString = newReadString(os.Stdin)
}

func main() {
	s := nextString()
	s += "+"

	ans := 0
	flg := false

	for i := range s {
		if i%2 == 0 && s[i] == '0' {
			flg = true
		} else if s[i] == '+' {
			if !flg {
				ans++
			}
			flg = false
		}
	}
	fmt.Println(ans)
}

func newReadString(ior io.Reader) func() string {
	r := bufio.NewScanner(ior)
	r.Buffer(make([]byte, 1024), int(1e+11))
	r.Split(bufio.ScanWords)

	return func() string {
		if !r.Scan() {
		}
		return r.Text()
	}
}

Submission Info

Judge Result