結果
問題 | No.426 往復漸化式 |
ユーザー |
|
提出日時 | 2016-10-13 08:28:02 |
言語 | C++11 (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 1,224 ms / 5,000 ms |
コード長 | 3,126 bytes |
コンパイル時間 | 931 ms |
コンパイル使用メモリ | 83,116 KB |
実行使用メモリ | 181,608 KB |
最終ジャッジ日時 | 2024-12-23 14:59:05 |
合計ジャッジ時間 | 20,068 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 22 |
ソースコード
#include <algorithm>#include <cassert>#include <iostream>#include <string>#include <vector>#define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++)using namespace std;typedef long long int ll;typedef vector<ll> VL;const ll mod = 1e9 + 7;typedef vector<VL> VVL;VVL add(const VVL &a, const VVL &b) {int n = a.size();int m = a[0].size();VVL ret(n, VL(m, 0));REP(i, 0, n) {REP(j, 0, m) {ret[i][j] = (a[i][j] + b[i][j]) % mod;}}return ret;}VVL mul(const VVL &a, const VVL &b) {int n = a.size();int m = b.size();int l = b[0].size();VVL ret(n, VL(l, 0));REP(i, 0, n) {REP(j, 0, m) {REP(k, 0, l) {ret[i][k] += a[i][j] * b[j][k];ret[i][k] %= mod;}}}return ret;}struct dat{VVL a, b, s;};dat elem_mul(const dat &abs1, const dat &abs2) {VVL a = mul(abs2.a, abs1.a);VVL b = mul(abs1.b, abs2.b);VVL s = add(abs1.s, mul(mul(abs1.b, abs2.s), abs1.a));return dat{a, b, s};}const int N = 1 << 17;dat ary[2*N];dat st_e;void init(dat e){for (int i = 0; i < 2 * N - 1; i++) {ary[i] = e;}st_e = e;}void update(int k, dat v) {k += N - 1;ary[k] = v;while (k > 0) {k = (k - 1) / 2;ary[k] = elem_mul(ary[2 * k + 1], ary[2 * k + 2]);}}void update_all(const dat *vals, int len) {for (int k = 0; k < std::min(N, len); ++k) {ary[k + N - 1] = vals[k];}for (int k = std::min(N, len); k < N; ++k) {ary[k + N - 1] = st_e;}for (int b = N / 2; b >= 1; b /= 2) {for (int k = 0; k < b; ++k) {ary[k + b - 1] = elem_mul(ary[k * 2 + b * 2 - 1], ary[k * 2 + b * 2]);}}}dat querySub(int a, int b, int k, int l, int r) {if (r <= a || b <= l) return st_e;if (a <= l && r <= b) return ary[k];dat vl = querySub(a, b, 2 * k + 1, l, (l + r) / 2);dat vr = querySub(a, b, 2 * k + 2, (l + r) / 2, r);return elem_mul(vl, vr);}dat query(int a, int b) {return querySub(a, b + 1, 0, 0, N);}int main(void){int n, q;cin >> n;VVL a(3, {0}), b(2, {0});REP(i, 0, 3) {cin >> a[i][0];}REP(i, 0, 2) {cin >> b[i][0];}VVL u3(3), u2(2);REP(i, 0, 3) {VL t(3);t[i] = 1;u3[i] = t;}REP(i, 0, 2) {VL t(2);t[i] = 1;u2[i] = t;}init({u3, u2, VVL(2, VL(3))});vector<dat> ary(n + 1);REP(i, 0, n + 1) {VVL s(2, VL(3, 0));REP(k,0,6)s[k/3][k%3]=6*i+k;ary[i] = {u3, u2, s};}update_all(&ary[0], n + 1);cin >> q;REP(z, 0, q) {string qty;int i;cin >> qty >> i;dat cur = query(i, i);if (qty == "a") {REP(k, 0, 3) {REP(j, 0, 3) {cin >> cur.a[k][j];}}update(i, cur);}if (qty == "b") {REP(k, 0, 2) {REP(j, 0, 2) {cin >> cur.b[k][j];}}update(i, cur);}if (qty == "ga") {VVL r = mul(query(0, i - 1).a, a);cout << r[0][0] << " " << r[1][0] << " " << r[2][0] << "\n";}if (qty == "gb") {dat tmp = query(i + 1, n);VVL r = add(mul(tmp.b, b), mul(tmp.s, mul(query(0, i).a, a)));cout << r[0][0] << " " << r[1][0] << "\n";}}}