結果
問題 | No.1097 Remainder Operation |
ユーザー | 草苺奶昔 |
提出日時 | 2023-02-15 16:25:51 |
言語 | Go (1.22.1) |
結果 |
AC
|
実行時間 | 249 ms / 2,000 ms |
コード長 | 2,590 bytes |
コンパイル時間 | 12,137 ms |
コンパイル使用メモリ | 229,436 KB |
実行使用メモリ | 69,652 KB |
最終ジャッジ日時 | 2024-07-18 01:20:23 |
合計ジャッジ時間 | 17,507 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 19 ms
9,852 KB |
testcase_08 | AC | 18 ms
9,852 KB |
testcase_09 | AC | 20 ms
9,852 KB |
testcase_10 | AC | 21 ms
9,856 KB |
testcase_11 | AC | 20 ms
9,856 KB |
testcase_12 | AC | 223 ms
69,652 KB |
testcase_13 | AC | 223 ms
69,652 KB |
testcase_14 | AC | 227 ms
69,652 KB |
testcase_15 | AC | 239 ms
69,652 KB |
testcase_16 | AC | 221 ms
69,652 KB |
testcase_17 | AC | 162 ms
69,652 KB |
testcase_18 | AC | 135 ms
69,592 KB |
testcase_19 | AC | 178 ms
69,588 KB |
testcase_20 | AC | 181 ms
69,588 KB |
testcase_21 | AC | 249 ms
69,592 KB |
testcase_22 | AC | 227 ms
69,588 KB |
ソースコード
package main import ( "bufio" "fmt" "math/bits" "os" ) func main() { // https://yukicoder.me/problems/no/1097 const INF int = int(1e18) const MOD int = 998244353 in := bufio.NewReader(os.Stdin) out := bufio.NewWriter(os.Stdout) defer out.Flush() var n int fmt.Fscan(in, &n) nums := make([]int, n) for i := 0; i < n; i++ { fmt.Fscan(in, &nums[i]) } db := NewDoubling(n, 1e12+10) for i := 0; i < n; i++ { db.Add(i, (i+nums[i])%n, nums[i]) } db.Build() var q int fmt.Fscan(in, &q) for i := 0; i < q; i++ { var k int fmt.Fscan(in, &k) _, res := db.Jump(0, k) fmt.Fprintln(out, res) } } type E = int func (*Doubling) e() E { return 0 } func (*Doubling) op(e1, e2 E) E { return e1 + e2 } type Doubling struct { n int log int isPrepared bool to [][]int dp [][]E } func NewDoubling(n, maxStep int) *Doubling { res := &Doubling{} res.n = n res.log = bits.Len(uint(maxStep)) res.to = make([][]int, res.log) res.dp = make([][]E, res.log) for i := 0; i < res.log; i++ { res.to[i] = make([]int, n) res.dp[i] = make([]E, n) for j := 0; j < n; j++ { res.to[i][j] = -1 res.dp[i][j] = res.e() } } return res } // 初始状态(leaves):从 `from` 状态到 `to` 状态,值变为 `value`. // 0 <= from, to < n func (d *Doubling) Add(from, to int, value E) { if d.isPrepared { panic("Doubling is prepared") } if to < -1 || to >= d.n { panic("to is out of range") } d.to[0][from] = to d.dp[0][from] = value } func (d *Doubling) Build() { if d.isPrepared { panic("Doubling is prepared") } d.isPrepared = true for k := 0; k < d.log-1; k++ { for v := 0; v < d.n; v++ { w := d.to[k][v] if w == -1 { d.to[k+1][v] = -1 d.dp[k+1][v] = d.dp[k][v] continue } d.to[k+1][v] = d.to[k][w] d.dp[k+1][v] = d.op(d.dp[k][v], d.dp[k][w]) } } } func (d *Doubling) Jump(from, step int) (to int, res E) { if !d.isPrepared { panic("Doubling is not prepared") } if step >= 1<<d.log { panic("step is over max step") } res = d.e() to = from for k := 0; k < d.log; k++ { if to == -1 { break } if step&(1<<k) != 0 { res = d.op(res, d.dp[k][to]) to = d.to[k][to] } } return } func (d *Doubling) MaxStep(from int, check func(e E) bool) int { if !d.isPrepared { panic("Doubling is not prepared") } res := d.e() step := 0 if !check(res) { return 0 } for k := d.log - 1; k >= 0; k-- { to := d.to[k][from] next := d.op(res, d.dp[k][from]) if check(next) { step |= 1 << k from = to res = next } } return step }