結果
問題 | No.2296 Union Path Query (Hard) |
ユーザー | heno239 |
提出日時 | 2023-05-05 22:36:34 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 713 ms / 7,000 ms |
コード長 | 11,914 bytes |
コンパイル時間 | 2,463 ms |
コンパイル使用メモリ | 161,268 KB |
実行使用メモリ | 52,352 KB |
最終ジャッジ日時 | 2024-05-02 17:29:48 |
合計ジャッジ時間 | 26,037 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 7 ms
11,648 KB |
testcase_01 | AC | 46 ms
52,352 KB |
testcase_02 | AC | 44 ms
52,224 KB |
testcase_03 | AC | 44 ms
52,224 KB |
testcase_04 | AC | 289 ms
52,224 KB |
testcase_05 | AC | 284 ms
52,352 KB |
testcase_06 | AC | 381 ms
52,224 KB |
testcase_07 | AC | 463 ms
52,224 KB |
testcase_08 | AC | 447 ms
52,224 KB |
testcase_09 | AC | 397 ms
34,816 KB |
testcase_10 | AC | 418 ms
34,816 KB |
testcase_11 | AC | 425 ms
34,816 KB |
testcase_12 | AC | 414 ms
31,872 KB |
testcase_13 | AC | 251 ms
13,824 KB |
testcase_14 | AC | 222 ms
12,672 KB |
testcase_15 | AC | 445 ms
52,096 KB |
testcase_16 | AC | 440 ms
41,984 KB |
testcase_17 | AC | 379 ms
21,760 KB |
testcase_18 | AC | 706 ms
52,224 KB |
testcase_19 | AC | 611 ms
31,744 KB |
testcase_20 | AC | 713 ms
52,224 KB |
testcase_21 | AC | 702 ms
52,224 KB |
testcase_22 | AC | 709 ms
52,224 KB |
testcase_23 | AC | 399 ms
52,224 KB |
testcase_24 | AC | 314 ms
31,872 KB |
testcase_25 | AC | 306 ms
52,224 KB |
testcase_26 | AC | 317 ms
52,224 KB |
testcase_27 | AC | 371 ms
52,224 KB |
testcase_28 | AC | 380 ms
52,352 KB |
testcase_29 | AC | 358 ms
52,224 KB |
testcase_30 | AC | 373 ms
52,224 KB |
testcase_31 | AC | 368 ms
52,224 KB |
testcase_32 | AC | 410 ms
52,224 KB |
testcase_33 | AC | 467 ms
52,352 KB |
testcase_34 | AC | 270 ms
52,352 KB |
testcase_35 | AC | 346 ms
52,224 KB |
testcase_36 | AC | 556 ms
52,224 KB |
testcase_37 | AC | 388 ms
38,144 KB |
testcase_38 | AC | 416 ms
38,144 KB |
testcase_39 | AC | 412 ms
38,272 KB |
testcase_40 | AC | 386 ms
38,272 KB |
testcase_41 | AC | 7 ms
11,648 KB |
testcase_42 | AC | 6 ms
11,776 KB |
testcase_43 | AC | 7 ms
11,648 KB |
testcase_44 | AC | 443 ms
52,224 KB |
testcase_45 | AC | 458 ms
52,224 KB |
testcase_46 | AC | 481 ms
52,224 KB |
testcase_47 | AC | 501 ms
52,224 KB |
testcase_48 | AC | 485 ms
52,224 KB |
ソースコード
//#pragma GCC optimize("O3") //#pragma GCC optimize("unroll-loops") #include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<unordered_set> #include<utility> #include<cassert> #include<complex> #include<numeric> #include<array> #include<chrono> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; //ll mod = 1; constexpr ll mod = 998244353; //constexpr ll mod = 1000000007; const int mod17 = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; using ld = long double; typedef pair<ld, ld> LDP; const ld eps = 1e-10; const ld pi = acosl(-1.0); template<typename T> void chmin(T& a, T b) { a = min(a, b); } template<typename T> void chmax(T& a, T b) { a = max(a, b); } template<typename T> vector<T> vmerge(vector<T>& a, vector<T>& b) { vector<T> res; int ida = 0, idb = 0; while (ida < a.size() || idb < b.size()) { if (idb == b.size()) { res.push_back(a[ida]); ida++; } else if (ida == a.size()) { res.push_back(b[idb]); idb++; } else { if (a[ida] < b[idb]) { res.push_back(a[ida]); ida++; } else { res.push_back(b[idb]); idb++; } } } return res; } template<typename T> void cinarray(vector<T>& v) { rep(i, v.size())cin >> v[i]; } template<typename T> void coutarray(vector<T>& v) { rep(i, v.size()) { if (i > 0)cout << " "; cout << v[i]; } cout << "\n"; } ll mod_pow(ll x, ll n, ll m = mod) { if (n < 0) { ll res = mod_pow(x, -n, m); return mod_pow(res, m - 2, m); } if (abs(x) >= m)x %= m; if (x < 0)x += m; //if (x == 0)return 0; ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } //mod should be <2^31 struct modint { int n; modint() :n(0) { ; } modint(ll m) { if (m < 0 || mod <= m) { m %= mod; if (m < 0)m += mod; } n = m; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } bool operator<(modint a, modint b) { return a.n < b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= (int)mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += (int)mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } modint operator/=(modint& a, modint b) { a = a / b; return a; } const int max_n = 1 << 20; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } modint combP(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[a - b]; } ll gcd(ll a, ll b) { a = abs(a); b = abs(b); if (a < b)swap(a, b); while (b) { ll r = a % b; a = b; b = r; } return a; } template<typename T> void addv(vector<T>& v, int loc, T val) { if (loc >= v.size())v.resize(loc + 1, 0); v[loc] += val; } /*const int mn = 2000005; bool isp[mn]; vector<int> ps; void init() { fill(isp + 2, isp + mn, true); for (int i = 2; i < mn; i++) { if (!isp[i])continue; ps.push_back(i); for (int j = 2 * i; j < mn; j += i) { isp[j] = false; } } }*/ //[,val) template<typename T> auto prev_itr(set<T>& st, T val) { auto res = st.lower_bound(val); if (res == st.begin())return st.end(); res--; return res; } //[val,) template<typename T> auto next_itr(set<T>& st, T val) { auto res = st.lower_bound(val); return res; } using mP = pair<modint, modint>; mP operator+(mP a, mP b) { return { a.first + b.first,a.second + b.second }; } mP operator+=(mP& a, mP b) { a = a + b; return a; } mP operator-(mP a, mP b) { return { a.first - b.first,a.second - b.second }; } mP operator-=(mP& a, mP b) { a = a - b; return a; } LP operator+(LP a, LP b) { return { a.first + b.first,a.second + b.second }; } LP operator+=(LP& a, LP b) { a = a + b; return a; } LP operator-(LP a, LP b) { return { a.first - b.first,a.second - b.second }; } LP operator-=(LP& a, LP b) { a = a - b; return a; } mt19937 mt(time(0)); const string drul = "DRUL"; string senw = "SENW"; //DRUL,or SENW //int dx[4] = { 1,0,-1,0 }; //int dy[4] = { 0,1,0,-1 }; //----------------------------------------- // 以下の実装では link, range, query などで reroot が起こるので注意 template<typename T> class LinkCutTree { public: struct node { int sz; T val, al, lazy; node* left, * right, * par; bool rev; node(const T _val) : sz(1), val(_val), al(_val), lazy(e1), left(nullptr), right(nullptr), par(nullptr), rev(false) {} bool isRoot() const { return (!par) || (par->left != this && par->right != this); } void push() { if (lazy != e1) { opr1(val, lazy), al += lazy * sz; if (left) opr1(left->lazy, lazy); if (right) opr1(right->lazy, lazy); lazy = e1; } if (!rev) return; swap(left, right); if (left) left->rev = !(left->rev); if (right) right->rev = !(right->rev); rev = false; } void eval() { sz = 1, al = val; if (left) left->push(), sz += left->sz, al = opr2(left->al, al); if (right) right->push(), sz += right->sz, al = opr2(al, right->al); } }; static const T e1 = (T)0; static void opr1(T& arg1, const T arg2) { arg1 += arg2; } static T opr2(const T arg1, const T arg2) { return arg1 + arg2; } private: // 回転 void rotate(node* u, bool right) { node* p = u->par, * g = p->par; if (right) { if ((p->left = u->right)) u->right->par = p; u->right = p, p->par = u; } else { if ((p->right = u->left)) u->left->par = p; u->left = p, p->par = u; } p->eval(), u->eval(), u->par = g; if (!g) return; if (g->left == p) g->left = u; if (g->right == p) g->right = u; g->eval(); } // u を splay 木の根にする void splay(node* u) { while (!(u->isRoot())) { node* p = u->par, * gp = p->par; if (p->isRoot()) { // zig p->push(), u->push(); rotate(u, (u == p->left)); } else { gp->push(), p->push(), u->push(); bool flag = (u == p->left); if ((u == p->left) == (p == gp->left)) { // zig-zig rotate(p, flag), rotate(u, flag); } else { // zig-zag rotate(u, flag), rotate(u, !flag); } } } u->push(); } node* access(node* u) { node* last = nullptr; for (node* v = u; v; v = v->par) { splay(v); v->right = last; v->eval(); last = v; } splay(u); return last; } bool connected(node* u, node* v) { access(u), access(v); return u == v || u->par; } void link(node* u, node* v) { evert(u), u->par = v; } void cut(node* u) { access(u); u->left->par = nullptr, u->left = nullptr, u->eval(); } void cut(node* u, node* v) { access(u), access(v); if (u->isRoot()) u->par = nullptr; else v->left->par = nullptr, v->left = nullptr, v->eval(); } node* lca(node* u, node* v) { access(u); return access(v); } void evert(node* u) { access(u); u->rev = !(u->rev), u->push(); } int depth(node* u) { access(u); return u->sz - 1; } void toRoot_range(node* u, const T x) { access(u); opr1(u->lazy, x), u->push(); } T toRoot_query(node* u) { access(u); return u->al; } void range(node* u, node* v, const T x) { evert(u), access(v); opr1(v->lazy, x), v->push(); } T query(node* u, node* v) { evert(u), access(v); return v->al; } public: const int V; node** arr; LinkCutTree(const vector<T>& init_node_value) : V((int)init_node_value.size()) { arr = new node * [V]; for (int i = 0; i < V; ++i) { arr[i] = new node(init_node_value[i]); } } // ~LinkCutTree(){ // for(int i = 0; i < V; ++i){ // delete arr[i]; // } // delete[] arr; // } // id1 と id2 が同じ木(連結成分)に属するか bool connected(int id1, int id2) { return connected(arr[id1], arr[id2]); } // id1 を id2 の non-preferred edge にする void link(int id1, int id2) { return link(arr[id1], arr[id2]); } // id とその親の間の辺を削除する void cut(int id) { return cut(arr[id]); } // id と id2 の間の辺を削除する void cut(int id1, int id2) { return cut(arr[id1], arr[id2]); } // id1 と id2 の LCA を求める int lca(int id1, int id2) { return static_cast<size_t>(lca(arr[id1], arr[id2]) - arr[0]); } // 元の木の根を id にする void evert(int id) { return evert(arr[id]); } // id の深さを求める int depth(int id) { return depth(arr[id]); } // id から根までの間にある頂点すべてに x を足す void toRoot_range(int id, const T x) { return toRoot_range(arr[id], x); } // id から根までの間にある頂点すべてのコストの総和を求める T toRoot_query(int id) { return toRoot_query(arr[id]); } // id1 と id2 の間にある頂点すべてに x を足す void range(int id1, int id2, const T x) { return range(arr[id1], arr[id2], x); } // id1 と id2 の間にある頂点すべてのコストの総和を求める T query(int id1, int id2) { return query(arr[id1], arr[id2]); } }; void solve() { int n, x, q; cin >> n >> x >> q; vector<int> par(n); vector<int> sz(n); vector<P> mem(n); rep(i, n) { par[i] = i; mem[i] = { i,i }; sz[i] = 1; } vector<ll> ori(2 * n - 1, 0); LinkCutTree<ll> lt(ori); int tmp = n; auto calcd = [&](int a, int b)->ll { if (!lt.connected(a, b))return -1; lt.evert(a); return lt.toRoot_query(b); }; auto merge = [&](int a, int b, int w) { //cout << "add " << a << " " << b << " " << w << "\n"; lt.evert(a); lt.link(a, tmp); lt.evert(b); lt.link(b, tmp); lt.evert(tmp); lt.toRoot_range(tmp, w); tmp++; while (a != par[a])a = par[a]; while (b != par[b])b = par[b]; if (sz[a] > sz[b])swap(a, b); par[a] = b; sz[b] += sz[a]; ll ma = -1; vector<int> vs; vs.push_back(mem[a].first); vs.push_back(mem[a].second); vs.push_back(mem[b].first); vs.push_back(mem[b].second); rep(i, vs.size())Rep(j, i + 1, vs.size()) { ll val = calcd(vs[i], vs[j]); if (val > ma) { ma = val; mem[b] = { vs[i],vs[j] }; } } }; auto query1 = [&](int v) { while (par[v] != v)v = par[v]; int le = mem[v].first; int ri = mem[v].second; return calcd(le, ri); }; rep(i, q) { int t; cin >> t; if (t == 1) { int a, w; cin >> a >> w; merge(a, x, w); } else if (t == 2) { int a, b; cin >> a >> b; ll c = calcd(a, b); cout << c << "\n"; if (c >= 0) { c %= n; x += c; x %= n; } } else if (t == 3) { int a; cin >> a; ll ans = query1(a); cout << ans << "\n"; } else { int v; cin >> v; x += v; x %= n; } } } signed main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); //init_f(); //init(); //while(true) //expr(); //int t; cin >> t; rep(i, t) solve(); return 0; }