#505593 (Go) No.871 かえるのうた

• 問題: No.871 かえるのうた
• ユーザー: ccppjsrb
• 提出日時: 2020-07-02 23:15:55
• 言語: Go (1.22.1)
• 結果: WA
• 実行時間: -
• コード長: 1,593 bytes
• コンパイル時間: 14,562 ms
• コンパイル使用メモリ: 222,736 KB
• 実行使用メモリ: 6,948 KB
• 最終ジャッジ日時: 2024-09-15 08:14:23
• 合計ジャッジ時間: 16,801 ms
• ジャッジサーバーID （参考情報）: judge2 / judge5

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	WA	-
testcase_02	AC	1 ms; 5,376 KB
testcase_03	WA	-
testcase_04	WA	-
testcase_05	WA	-
testcase_06	WA	-
testcase_07	AC	1 ms; 5,376 KB
testcase_08	WA	-
testcase_09	WA	-
testcase_10	WA	-
testcase_11	AC	1 ms; 5,376 KB
testcase_12	WA	-
testcase_13	WA	-
testcase_14	WA	-
testcase_15	WA	-
testcase_16	WA	-
testcase_17	AC	30 ms; 5,376 KB
testcase_18	AC	6 ms; 5,376 KB
testcase_19	WA	-
testcase_20	AC	3 ms; 5,376 KB
testcase_21	WA	-
testcase_22	WA	-
testcase_23	AC	1 ms; 5,376 KB
testcase_24	WA	-
testcase_25	WA	-
testcase_26	WA	-
testcase_27	WA	-
testcase_28	AC	1 ms; 5,376 KB
testcase_29	AC	11 ms; 5,376 KB
testcase_30	WA	-
testcase_31	AC	2 ms; 5,376 KB
testcase_32	WA	-
testcase_33	WA	-
testcase_34	AC	7 ms; 5,376 KB
testcase_35	WA	-
testcase_36	AC	22 ms; 5,376 KB
testcase_37	WA	-
testcase_38	WA	-
testcase_39	WA	-
testcase_40	AC	10 ms; 5,376 KB
testcase_41	AC	1 ms; 5,376 KB
testcase_42	AC	11 ms; 5,376 KB
testcase_43	WA	-
testcase_44	WA	-
testcase_45	WA	-
testcase_46	AC	2 ms; 5,376 KB
testcase_47	AC	1 ms; 5,376 KB
testcase_48	AC	2 ms; 5,376 KB

ソースコード

package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

func configure(scanner *bufio.Scanner) {
	scanner.Split(bufio.ScanWords)
	scanner.Buffer(make([]byte, 1000005), 1000005)
}
func getNextString(scanner *bufio.Scanner) string {
	scanned := scanner.Scan()
	if !scanned {
		panic("scan failed")
	}
	return scanner.Text()
}
func getNextInt(scanner *bufio.Scanner) int {
	i, _ := strconv.Atoi(getNextString(scanner))
	return i
}
func getNextInt64(scanner *bufio.Scanner) int64 {
	i, _ := strconv.ParseInt(getNextString(scanner), 10, 64)
	return i
}
func getNextFloat64(scanner *bufio.Scanner) float64 {
	i, _ := strconv.ParseFloat(getNextString(scanner), 64)
	return i
}
func main() {
	fp := os.Stdin
	wfp := os.Stdout
	extra := 0
	if os.Getenv("I") == "IronMan" {
		fp, _ = os.Open(os.Getenv("END_GAME"))
		extra = 100
	}
	scanner := bufio.NewScanner(fp)
	configure(scanner)
	writer := bufio.NewWriter(wfp)
	defer func() {
		r := recover()
		if r != nil {
			fmt.Fprintln(writer, r)
		}
		writer.Flush()
	}()
	solve(scanner, writer)
	for i := 0; i < extra; i++ {
		fmt.Fprintln(writer, "-----------------------------------")
		solve(scanner, writer)
	}
}
func solve(scanner *bufio.Scanner, writer *bufio.Writer) {
	n := getNextInt(scanner)
	k := getNextInt(scanner) - 1
	xx := make([]int64, n)
	aa := make([]int64, n)
	for i := 0; i < n; i++ {
		xx[i] = getNextInt64(scanner)
	}
	for i := 0; i < n; i++ {
		aa[i] = getNextInt64(scanner)
	}
	l, r := k-1, k+1
	for l >= 0 && xx[l+1]-xx[l] <= aa[l+1] {
		l--
	}
	for r < n && xx[r]-xx[r-1] <= aa[r-1] {
		r++
	}
	fmt.Fprintln(writer, r-l-1)
}