結果

問題 No.709 優勝可能性
ユーザー ccppjsrb
提出日時 2020-06-13 14:58:27
言語 Go
(1.23.4)
結果
AC  
実行時間 113 ms / 3,500 ms
コード長 2,140 bytes
コンパイル時間 15,158 ms
コンパイル使用メモリ 231,348 KB
実行使用メモリ 44,544 KB
最終ジャッジ日時 2024-06-25 06:24:03
合計ジャッジ時間 16,631 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 22
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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)
m := getNextInt(scanner)
usi := make([]uint32, n)
for i := 0; i < n; i++ {
usi[i] = 1<<uint(m) - 1
}
ll := make([][]pair, m)
rr := makeGrid(n, m)
cbox := 0
for r := 0; r < n; r++ {
for i := 0; i < m; i++ {
rr[r][i] = getNextInt(scanner)
if len(ll[i]) > 0 && ll[i][0][1] > rr[r][i] {
usi[r] = usi[r] ^ 1<<uint(i)
if usi[r] == 0 {
cbox--
}
continue
}
ll[i] = append(ll[i], pair{r, rr[r][i]})
}
cbox++
for i := 0; i < m; i++ {
for len(ll[i]) > 0 && ll[i][len(ll[i])-1][1] > ll[i][0][1] {
usi[ll[i][0][0]] = usi[ll[i][0][0]] ^ 1<<uint(i)
if usi[ll[i][0][0]] == 0 {
cbox--
}
ll[i] = ll[i][1:]
}
}
fmt.Fprintln(writer, cbox)
}
}
func makeGrid(h, w int) [][]int {
index := make([][]int, h, h)
data := make([]int, h*w, h*w)
for i := 0; i < h; i++ {
index[i] = data[i*w : (i+1)*w]
}
return index
}
type pair [2]int
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