結果
問題 | No.426 往復漸化式 |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-04-28 05:29:17 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 1,040 ms / 5,000 ms |
コード長 | 5,892 bytes |
コンパイル時間 | 909 ms |
コンパイル使用メモリ | 124,656 KB |
実行使用メモリ | 285,216 KB |
最終ジャッジ日時 | 2024-06-22 01:03:55 |
合計ジャッジ時間 | 15,276 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
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 | 3 ms
6,944 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 28 ms
10,888 KB |
testcase_04 | AC | 27 ms
10,772 KB |
testcase_05 | AC | 203 ms
54,972 KB |
testcase_06 | AC | 201 ms
54,864 KB |
testcase_07 | AC | 673 ms
189,776 KB |
testcase_08 | AC | 685 ms
188,916 KB |
testcase_09 | AC | 870 ms
244,788 KB |
testcase_10 | AC | 817 ms
246,064 KB |
testcase_11 | AC | 615 ms
181,896 KB |
testcase_12 | AC | 727 ms
223,428 KB |
testcase_13 | AC | 896 ms
270,168 KB |
testcase_14 | AC | 833 ms
265,584 KB |
testcase_15 | AC | 638 ms
193,164 KB |
testcase_16 | AC | 802 ms
254,604 KB |
testcase_17 | AC | 1,040 ms
285,216 KB |
testcase_18 | AC | 882 ms
283,188 KB |
testcase_19 | AC | 641 ms
191,452 KB |
testcase_20 | AC | 788 ms
244,284 KB |
testcase_21 | AC | 836 ms
244,924 KB |
testcase_22 | AC | 776 ms
243,484 KB |
ソースコード
/* a1 = A0 a0 a2 = A1 A0 a0 a3 = A2 A1 A0 a0 a4 = A3 A2 A1 A0 a0 b3 = B4 b4 + K4 A3 A2 A1 A0 a0 b2 = B3 B4 b4 + B3 K4 A3 A2 A1 A0 a0 + K3 A2 A1 A0 a0 b1 = B2 B3 B4 b4 + B2 B3 K4 A3 A2 A1 A0 a0 + B2 K3 A2 A1 A0 a0 + K2 A1 A0 a0 b0 = B1 B2 B3 B4 b4 + B1 B2 B3 K4 A3 A2 A1 A0 a0 + B1 B2 K3 A2 A1 A0 a0 + B1 K2 A1 A0 a0 + K1 A0 a0 = B1 B2 B3 B4 b4 + B1 B2 (B3 K4 A3 A2 + K3 A2) A1 A0 a0 + (B1 K2 A1 A0 + K1 A0) a0 */ import std.conv, std.functional, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.complex, std.container, std.math, std.numeric, std.range, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } real readReal() { return readToken.to!real; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } enum MO = 10L^^9 + 7; long[][] add(in long[][] A, in long[][] B) { assert(A.length == B.length); assert(A[0].length == B[0].length); const l = A.length, m = A[0].length; auto C = new long[][](l, m); foreach (i; 0 .. l) foreach (j; 0 .. m) { C[i][j] = (A[i][j] + B[i][j]) % MO; } return C; } long[][] mul(in long[][] A, in long[][] B) { assert(A[0].length == B.length); const l = A.length, m = A[0].length, n = B[0].length; auto C = new long[][](l, n); foreach (i; 0 .. l) foreach (k; 0 .. m) foreach (j; 0 .. n) { (C[i][j] += A[i][k] * B[k][j]) %= MO; } return C; } struct Element { long[][] A, B, C; Element opBinary(string op)(in Element o) const if (op == "*") { return Element(mul(o.A, A), mul(B, o.B), add(C, mul(B, mul(o.C, A)))); } } enum IDENTITY = Element([[1, 0, 0], [0, 1, 0], [0, 0, 1]], [[1, 0], [0, 1]], [[0, 0, 0], [0, 0, 0]]); class SegmentTree { int n; Element[] prod; this(Element[] ini) { const n_ = cast(int)(ini.length); for (n = 1; n < n_; n <<= 1) {} prod = new Element[n << 1]; prod[n .. n + n_] = ini[]; prod[n + n_ .. $] = IDENTITY; foreach_reverse (a; 1 .. n) { prod[a] = prod[a << 1] * prod[a << 1 | 1]; } } void update(int a, Element val) { prod[a += n] = val; for (; a >>= 1; ) { prod[a] = prod[a << 1] * prod[a << 1 | 1]; } } Element rangeProd(int a, int b) const { Element retL = IDENTITY, retR = IDENTITY; for (a += n, b += n; a <= b; a >>= 1, b >>= 1) { if ( a & 1) retL = retL * prod[a++]; if (~b & 1) retR = prod[b--] * retR; } return retL * retR; } } int N; long[][] U, V; int Q; string[] T; int[] I; long[][][] W; void main() { try { for (; ; ) { N = readInt(); U = new long[][](3, 1); foreach (i; 0 .. 3) { U[i][0] = readLong(); } V = new long[][](2, 1); foreach (i; 0 .. 2) { V[i][0] = readLong(); } Q = readInt(); T = new string[Q]; I = new int[Q]; W = new long[][][Q]; foreach (q; 0 .. Q) { T[q] = readToken(); switch (T[q]) { case "a": { I[q] = readInt(); W[q] = new long[][](3, 3); foreach (i; 0 .. 3) foreach (j; 0 .. 3) { W[q][i][j] = readLong(); } } break; case "b": { I[q] = readInt() - 1; W[q] = new long[][](2, 2); foreach (i; 0 .. 2) foreach (j; 0 .. 2) { W[q][i][j] = readLong(); } } break; case "ga": { I[q] = readInt(); } break; case "gb": { I[q] = readInt(); } break; default: assert(false); } } auto A = new long[][][](N, 3, 3); auto B = new long[][][](N, 2, 2); auto K = new long[][][](N, 2, 3); foreach (x; 0 .. N) { foreach (i; 0 .. 3) foreach (j; 0 .. 3) { A[x][i][j] = (i == j) ? 1 : 0; } foreach (i; 0 .. 2) foreach (j; 0 .. 2) { B[x][i][j] = (i == j) ? 1 : 0; } foreach (i; 0 .. 2) foreach (j; 0 .. 3) { K[x][i][j] = 6 * (x + 1) + i * 3 + j; } } auto ini = new Element[N]; foreach (x; 0 .. N) { ini[x] = Element(A[x], B[x], mul(K[x], A[x])); } auto seg = new SegmentTree(ini); foreach (q; 0 .. Q) { switch (T[q]) { case "a": { A[I[q]] = W[q]; seg.update(I[q], Element(A[I[q]], B[I[q]], mul(K[I[q]], A[I[q]]))); } break; case "b": { B[I[q]] = W[q]; seg.update(I[q], Element(A[I[q]], B[I[q]], mul(K[I[q]], A[I[q]]))); } break; case "ga": { const resL = seg.rangeProd(0, I[q] - 1); const ans = mul(resL.A, U); writeln(ans[0][0], " ", ans[1][0], " ", ans[2][0]); } break; case "gb": { const resL = seg.rangeProd(0, I[q] - 1); const resR = seg.rangeProd(I[q], N - 1); const ans = add(mul(resR.C, mul(resL.A, U)), mul(resR.B, V)); writeln(ans[0][0], " ", ans[1][0]); } break; default: assert(false); } } } } catch (EOFException e) { } }