結果
問題 | No.426 往復漸化式 |
ユーザー | anta |
提出日時 | 2016-09-23 00:09:57 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 73 ms / 5,000 ms |
コード長 | 6,687 bytes |
コンパイル時間 | 2,610 ms |
コンパイル使用メモリ | 186,616 KB |
実行使用メモリ | 42,752 KB |
最終ジャッジ日時 | 2024-11-17 15:32:23 |
合計ジャッジ時間 | 3,852 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 4 ms
5,248 KB |
testcase_04 | AC | 4 ms
5,248 KB |
testcase_05 | AC | 18 ms
7,552 KB |
testcase_06 | AC | 18 ms
7,680 KB |
testcase_07 | AC | 53 ms
42,752 KB |
testcase_08 | AC | 51 ms
42,624 KB |
testcase_09 | AC | 66 ms
42,752 KB |
testcase_10 | AC | 68 ms
42,624 KB |
testcase_11 | AC | 50 ms
42,752 KB |
testcase_12 | AC | 59 ms
42,752 KB |
testcase_13 | AC | 71 ms
42,752 KB |
testcase_14 | AC | 62 ms
42,752 KB |
testcase_15 | AC | 49 ms
42,752 KB |
testcase_16 | AC | 64 ms
42,624 KB |
testcase_17 | AC | 73 ms
42,752 KB |
testcase_18 | AC | 67 ms
42,752 KB |
testcase_19 | AC | 48 ms
42,624 KB |
testcase_20 | AC | 59 ms
42,752 KB |
testcase_21 | AC | 66 ms
42,752 KB |
testcase_22 | AC | 58 ms
42,752 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; typedef vector<int> vi; typedef pair<int, int> pii; typedef vector<pair<int, int> > vpii; typedef long long ll; template<typename T, typename U> static void amin(T &x, U y) { if(y < x) x = y; } template<typename T, typename U> static void amax(T &x, U y) { if(x < y) x = y; } template<int MOD> struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) {} ModInt(signed sig) { int sigt = sig % MOD; if(sigt < 0) sigt += MOD; x = sigt; } ModInt(signed long long sig) { int sigt = sig % MOD; if(sigt < 0) sigt += MOD; x = sigt; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } }; typedef ModInt<1000000007> mint; struct NoIntitializationTag {}; template<int Height, int Width> struct Matrix { typedef mint Num; Num v[Height][Width]; Matrix() { memset(v, 0, sizeof(v)); } explicit Matrix(NoIntitializationTag) { } int height() const { return Height; } int width() const { return Width; } Num& at(int i, int j) { return v[i][j]; } const Num at(int i, int j) const { return v[i][j]; } template<int WidthB> Matrix<Height, WidthB> operator*(const Matrix<Width, WidthB>& B) const { int n = height(), m = B.width(), p = B.height(); Matrix<Height, WidthB> AB(NoIntitializationTag{}); rep(i, Height) { rep(j, WidthB) { static_assert((uint64_t)(mint::Mod - 1) * (mint::Mod - 1) <= ~(uint64_t)0 / WidthB, "(Mod-1)^2 * WidthB >= 2^64"); uint64_t sum = 0; rep(k, Width) sum += (uint64_t)at(i, k).x * B.at(k, j).x; AB.v[i][j].x = sum % mint::Mod; } } return AB; } Matrix& operator*=(const Matrix<Width, Width>& B) { return *this = *this * B; } Matrix& operator+=(const Matrix& B) { rep(i, Height) rep(j, Width) at(i, j) += B.at(i, j); return *this; } Matrix operator+(const Matrix& B) const { return Matrix(*this) += B; } Matrix<Width, Height> transpose() const { Matrix res(NoIntitializationTag{}); rep(i, Height) rep(j, Width) res.at(j, i) = at(i, j); return res; } }; template<int Size> inline const Matrix<Size, Size> makeIdentityMatrix() { Matrix<Size, Size> I; rep(i, Size) I.at(i, i) = 1; return I; } struct Val { Matrix<3, 3> A; Matrix<2, 2> B; Matrix<3, 2> AtoB; Val() : A(makeIdentityMatrix<3>()), B(makeIdentityMatrix<2>()), AtoB() {} explicit Val(NoIntitializationTag) : A(NoIntitializationTag{}), B(NoIntitializationTag{}), AtoB(NoIntitializationTag{}) {} Val operator*(const Val &that) const { Val res(NoIntitializationTag{}); res.A = A * that.A; res.B = that.B * B; res.AtoB = AtoB + A * that.AtoB * B; return res; } }; struct GetRangeSegmentTree { static Val combineVal(const Val &x, const Val &y) { return x * y; } static void assignCombineVal(Val &x, const Val &y) { x = x * y; } static Val identityVal() { return Val(); } vector<Val> nodes; int n; void init(int n_, const Val &v = Val()) { init(vector<Val>(n_, v)); } void init(const vector<Val> &u) { n = 1; while(n < (int)u.size()) n *= 2; nodes.resize(n, identityVal()); nodes.insert(nodes.end(), u.begin(), u.end()); nodes.resize(n * 2, identityVal()); for(int i = n - 1; i > 0; -- i) nodes[i] = combineVal(nodes[i * 2], nodes[i * 2 + 1]); } Val get(int i) { return nodes[i + n]; } Val getWhole() const { return nodes[1]; } Val getRange(int l, int r) const { Val m = identityVal(); int indices[64]; int k = 0; for(; l && l + (l&-l) <= r; l += l&-l) assignCombineVal(m, nodes[(n + l) / (l&-l)]); for(; l < r; r -= r&-r) indices[k ++] = (n + r) / (r&-r) - 1; while(-- k >= 0) assignCombineVal(m, nodes[indices[k]]); return m; } void set(int i, const Val &x) { i += n; nodes[i] = x; for(i >>= 1; i > 0; i >>= 1) nodes[i] = combineVal(nodes[i * 2], nodes[i * 2 + 1]); } }; //左端の a と 右端の b から 右端の a と 左端の b を得る int main() { int n; while(~scanf("%d", &n)) { Matrix<1, 3> a0; Matrix<1, 2> bn; { int a00; int a01; int a02; scanf("%d%d%d", &a00, &a01, &a02); int bn0; int bn1; scanf("%d%d", &bn0, &bn1); a0.at(0, 0) = a00; a0.at(0, 1) = a01; a0.at(0, 2) = a02; bn.at(0, 0) = bn0; bn.at(0, 1) = bn1; } auto getVal = [](const Matrix<3, 3> &A, const Matrix<2, 2> &B, int index) -> Val { Val res(NoIntitializationTag{}); res.A = A.transpose(); res.B = B.transpose(); Matrix<3, 2> X(NoIntitializationTag{}); rep(i, 2) rep(j, 3) X.at(j, i) = 6 * (index + 1) + (i * 3 + j); res.AtoB = A.transpose() * X; return res; }; GetRangeSegmentTree segt; vector<Matrix<3, 3>> As(n); vector<Matrix<2, 2>> Bs(n); rep(i, n) As[i] = makeIdentityMatrix<3>(); rep(i, n) Bs[i] = makeIdentityMatrix<2>(); vector<Val> initValues(n); rep(i, n) initValues[i] = getVal(As[i], Bs[i], i); segt.init(initValues); int Q; scanf("%d", &Q); for(int ii = 0; ii < Q; ++ ii) { char ty[10]; scanf("%s", ty); if(*ty == 'a') { int i; scanf("%d", &i); auto &A = As[i]; rep(y, 3) rep(x, 3) { int a; scanf("%d", &a); A.at(y, x) = a; } segt.set(i, getVal(As[i], Bs[i], i)); } else if(*ty == 'b') { int i; scanf("%d", &i); -- i; auto &B = Bs[i]; rep(y, 2) rep(x, 2) { int b; scanf("%d", &b); B.at(y, x) = b; } segt.set(i, getVal(As[i], Bs[i], i)); } else if(*ty == 'g' && ty[1] == 'a') { int i; scanf("%d", &i); auto A = segt.getRange(0, i).A; auto a = a0; a *= A; rep(y, 3) { if(y != 0) putchar(' '); printf("%d", a.at(0, y).get()); } puts(""); fflush(stdout); } else if(*ty == 'g' && ty[1] == 'b') { int i; scanf("%d", &i); auto A = segt.getRange(0, i).A; Val val = segt.getRange(i, n); auto a = a0; a *= A; auto res = a * val.AtoB + bn * val.B; rep(y, 2) { if(y != 0) putchar(' '); printf("%d", res.at(0, y).get()); } puts(""); fflush(stdout); } else abort(); } } return 0; }