結果
問題 | No.653 E869120 and Lucky Numbers |
ユーザー |
![]() |
提出日時 | 2020-11-29 11:17:09 |
言語 | Go (1.23.4) |
結果 |
AC
|
実行時間 | 9 ms / 2,000 ms |
コード長 | 2,445 bytes |
コンパイル時間 | 11,765 ms |
コンパイル使用メモリ | 239,500 KB |
実行使用メモリ | 12,784 KB |
最終ジャッジ日時 | 2024-09-13 18:21:42 |
合計ジャッジ時間 | 13,134 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 31 |
ソースコード
package mainimport ("bufio""fmt""os""sort""strconv")var sc = bufio.NewScanner(os.Stdin)var wr = bufio.NewWriter(os.Stdout)func out(x ...interface{}) {fmt.Fprintln(wr, x...)}func getI() int {sc.Scan()i, e := strconv.Atoi(sc.Text())if e != nil {panic(e)}return i}func getF() float64 {sc.Scan()i, e := strconv.ParseFloat(sc.Text(), 64)if e != nil {panic(e)}return i}func getInts(N int) []int {ret := make([]int, N)for i := 0; i < N; i++ {ret[i] = getI()}return ret}func getS() string {sc.Scan()return sc.Text()}// min, max, asub, absなど基本関数func max(a, b int) int {if a > b {return a}return b}func min(a, b int) int {if a < b {return a}return b}func asub(a, b int) int {if a > b {return a - b}return b - a}func abs(a int) int {if a >= 0 {return a}return -a}func lowerBound(a []int, x int) int {idx := sort.Search(len(a), func(i int) bool {return a[i] >= x})return idx}func upperBound(a []int, x int) int {idx := sort.Search(len(a), func(i int) bool {return a[i] > x})return idx}var memo [21000][2][2][2]intfunc rec(pos, carry, a1, a2 int) int {if pos < 0 {if carry == 0 {return 1}return 0}if memo[pos][carry][a1][a2] != -1 {return memo[pos][carry][a1][a2]}v := int(p[pos] - '0')ok := 0if a1 != 0 && a2 != 0 {x := carryif (x+7+7)%10 == v {ok |= rec(pos-1, 1, 1, 1)}if (x+7+6)%10 == v {ok |= rec(pos-1, 1, 1, 1)}if (x+6+6)%10 == v {ok |= rec(pos-1, 1, 1, 1)}}if a1 != 0 {x := carryif x+7 == v {ok |= rec(pos-1, 0, 1, 0)}if x+6 == v {ok |= rec(pos-1, 0, 1, 0)}}if a2 != 0 {x := carryif x+7 == v {ok |= rec(pos-1, 0, 0, 1)}if x+6 == v {ok |= rec(pos-1, 0, 0, 1)}}if v == carry {ok |= rec(pos-1, 0, 0, 0)}memo[pos][carry][a1][a2] = okreturn ok}var p stringfunc main() {defer wr.Flush()sc.Split(bufio.ScanWords)sc.Buffer([]byte{}, 1000000)// this template is new version.// use getI(), getS(), getInts(), getF()p = getS()for i := 0; i < 21000; i++ {for j := 0; j < 2; j++ {for k := 0; k < 2; k++ {for l := 0; l < 2; l++ {memo[i][j][k][l] = -1}}}}x := p[len(p)-1]if x == '6' || x == '7' {out("No")return}ret := rec(len(p)-1, 0, 1, 1)if ret == 1 {out("Yes")return}out("No")}