結果
問題 | No.1197 モンスターショー |
ユーザー | heno239 |
提出日時 | 2020-08-22 15:09:04 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,759 ms / 3,000 ms |
コード長 | 7,876 bytes |
コンパイル時間 | 2,465 ms |
コンパイル使用メモリ | 144,200 KB |
実行使用メモリ | 66,324 KB |
最終ジャッジ日時 | 2024-10-15 18:28:53 |
合計ジャッジ時間 | 18,496 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 | 20 ms
19,712 KB |
testcase_01 | AC | 21 ms
19,712 KB |
testcase_02 | AC | 21 ms
19,712 KB |
testcase_03 | AC | 22 ms
19,712 KB |
testcase_04 | AC | 21 ms
19,712 KB |
testcase_05 | AC | 21 ms
19,840 KB |
testcase_06 | AC | 21 ms
19,712 KB |
testcase_07 | AC | 459 ms
57,176 KB |
testcase_08 | AC | 188 ms
35,836 KB |
testcase_09 | AC | 322 ms
48,544 KB |
testcase_10 | AC | 381 ms
47,524 KB |
testcase_11 | AC | 169 ms
29,184 KB |
testcase_12 | AC | 112 ms
24,516 KB |
testcase_13 | AC | 161 ms
38,468 KB |
testcase_14 | AC | 331 ms
38,784 KB |
testcase_15 | AC | 176 ms
28,488 KB |
testcase_16 | AC | 464 ms
53,688 KB |
testcase_17 | AC | 521 ms
54,124 KB |
testcase_18 | AC | 155 ms
31,176 KB |
testcase_19 | AC | 422 ms
47,260 KB |
testcase_20 | AC | 95 ms
28,800 KB |
testcase_21 | AC | 123 ms
22,016 KB |
testcase_22 | AC | 38 ms
21,832 KB |
testcase_23 | AC | 354 ms
40,616 KB |
testcase_24 | AC | 286 ms
40,176 KB |
testcase_25 | AC | 171 ms
33,280 KB |
testcase_26 | AC | 257 ms
33,920 KB |
testcase_27 | AC | 441 ms
50,532 KB |
testcase_28 | AC | 259 ms
35,968 KB |
testcase_29 | AC | 225 ms
39,552 KB |
testcase_30 | AC | 232 ms
42,860 KB |
testcase_31 | AC | 198 ms
37,320 KB |
testcase_32 | AC | 83 ms
20,736 KB |
testcase_33 | AC | 127 ms
33,344 KB |
testcase_34 | AC | 650 ms
55,892 KB |
testcase_35 | AC | 808 ms
55,824 KB |
testcase_36 | AC | 868 ms
55,796 KB |
testcase_37 | AC | 669 ms
55,824 KB |
testcase_38 | AC | 653 ms
56,056 KB |
testcase_39 | AC | 633 ms
56,024 KB |
testcase_40 | AC | 2,759 ms
66,324 KB |
testcase_41 | AC | 21 ms
19,780 KB |
testcase_42 | AC | 21 ms
19,712 KB |
コンパイルメッセージ
main.cpp: In member function 'void Centroid_Decomposition::add(int, int)': main.cpp:327:43: warning: 'id' may be used uninitialized [-Wmaybe-uninitialized] 327 | nums[g][id] += a; | ^ main.cpp:319:32: note: 'id' was declared here 319 | int g = c; int id; | ^~ In member function 'll Centroid_Decomposition::query(int)', inlined from 'void solve()' at main.cpp:380:21: main.cpp:346:62: warning: 'id' may be used uninitialized [-Wmaybe-uninitialized] 346 | res += pdist[g] - dists[g][id]; | ^ main.cpp: In function 'void solve()': main.cpp:336:32: note: 'id' was declared here 336 | int g = c; int id; | ^~
ソースコード
#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<utility> #include<cassert> #include<complex> #include<numeric> #include<array> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 998244353; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #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; typedef double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acosl(-1.0); ll mod_pow(ll x, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return 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 -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += 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)); } 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]; } ul gcd(ul a, ul b) { if (a < b)swap(a, b); while (b) { ul r = a % b; a = b; b = r; } return a; } struct lcagraph { private: int n; vector<vector<int>> G; vector<vector<int>> parent; vector<int> depth; int root; int tmp; public: lcagraph(int n_) { n = n_; G.resize(n); parent.resize(n); depth.resize(n); tmp = 0; int cop = n; while (cop) { tmp++; cop /= 2; } rep(i, n)parent[i].resize(tmp); root = 0; } lcagraph() {} void init(int n_) { n = n_; G.resize(n); parent.resize(n); depth.resize(n); tmp = 0; int cop = n; while (cop) { tmp++; cop /= 2; } rep(i, n)parent[i].resize(tmp); root = 0; } void add_edge(int a, int b) { G[a].push_back(b); G[b].push_back(a); } void dfs(int id, int fr, int d) { parent[id][0] = fr; depth[id] = d; rep(j, G[id].size()) { int to = G[id][j]; if (to == fr)continue; dfs(to, id, d + 1); } } void complete(int r = 0) { root = r; dfs(root, -1, 0); rep(j, tmp - 1)rep(i, n) { if (parent[i][j] < 0)parent[i][j + 1] = -1; else parent[i][j + 1] = parent[parent[i][j]][j]; } } int lca(int u, int v) { if (depth[u] > depth[v])swap(u, v); for (int k = 0; k < tmp; k++) { if ((depth[v] - depth[u]) >> k & 1) { v = parent[v][k]; } } if (u == v)return u; for (int k = tmp - 1; k >= 0; k--) { if (parent[u][k] != parent[v][k]) { u = parent[u][k]; v = parent[v][k]; } } return parent[u][0]; } int dep(int x) { return depth[x]; } int dist(int x, int y) { int l = lca(x, y); return depth[x] + depth[y] - 2 * depth[l]; } int find_par(int x, int d) { rep(i, tmp)if (d & (1 << i))x = parent[x][i]; return x; } }; struct edge { int to; }; struct Centroid_Decomposition { private: int n; vector<vector<edge>> G; vector<vector<int>> fG; int root; vector<int> par, parid; vector<vector<ll>> dists; vector<vector<int>> nums; vector<ll> pdist; vector<int> pnum; lcagraph lg; public: Centroid_Decomposition(int n_) { n = n_; G.resize(n); par.resize(n); parid.resize(n); fG.resize(n); root = -1; dists.resize(n); nums.resize(n); pdist.resize(n); pnum.resize(n); } void add_edge(int a, int b) { G[a].push_back({ b }); G[b].push_back({ a }); } void complete() { vector<int> exi(n, 0); vector<int> ori(n); rep(i, n)ori[i] = i; int tmp = 0; function<int(int, int, int&, int&)> szdfs = [&](int id, int fr, int& g, int& sz)->int { int res = 1; int ma = 0; for (edge e : G[id]) { if (tmp != exi[e.to])continue; if (e.to == fr)continue; int nex = szdfs(e.to, id, g, sz); ma = max(ma, nex); res += nex; } if (ma <= sz / 2 && sz - res <= sz / 2)g = id; return res; }; function<int(vector<int>)> cdfs = [&](vector<int> v)->int { tmp++; if (v.empty())return 0; for (int id : v) { exi[id]++; } int g; int sz = v.size(); szdfs(v[0], -1, g, sz); pnum[g]=0; for (edge e : G[g]) { if (!exi[e.to])continue; if (exi[e.to] != tmp)continue; int tm = dists[g].size(); dists[g].push_back(0); nums[g].push_back(0); queue<P> vs; vs.push({ e.to,g }); int d = 0; vector<int> nex; while (!vs.empty()) { d++; int len = vs.size(); rep(aa, len) { P p = vs.front(); vs.pop(); int v = p.first, fr = p.second; nex.push_back(v); for (edge e : G[v]) { if (e.to == fr)continue; if (tmp != exi[e.to])continue; vs.push({ e.to,v }); } } } int ng = cdfs(nex); fG[g].push_back(ng); par[ng] = g; parid[ng] = tm; } for (int id : v) { exi[id]++; } tmp--; return g; }; root = cdfs(ori); par[root] = -1; //lca lg.init(n); rep(i, n) { for (edge e : G[i]) { if (i < e.to) { lg.add_edge(i, e.to); } } } lg.complete(); } void add(int c, int a) { int g = c; int id; while (g >= 0) { if (g == c) { pnum[g] += a; } else { int dist = lg.dist(g, c); pnum[g] += a; nums[g][id] += a; pdist[g] += a * dist; dists[g][id] += a * dist; } id = parid[g]; g = par[g]; } } ll query(int c) { int g = c; int id; ll res = 0; while (g>=0) { if (g == c) { res += pdist[g]; } else { ll dist = lg.dist(g, c); //cout << res << "\n"; res += pdist[g] - dists[g][id]; //cout << res << "\n"; //cout << pnum[g] << "wow" << nums[g][id] << "\n"; res += (pnum[g] - nums[g][id]) * dist; //cout << "? " << g << " " << c << " " << dist << " " << res << "\n"; } id = parid[g]; g = par[g]; } return res; } }; void solve() { int n, k, q; cin >> n >> k >> q; vector<int> c(k); rep(i, k) { cin >> c[i]; c[i]--; } Centroid_Decomposition cd(n); rep(i, n - 1) { int a, b; cin >> a >> b; a--; b--; cd.add_edge(a, b); } cd.complete(); rep(i, k)cd.add(c[i], 1); rep(i, q) { int t; cin >> t; if (t == 1) { int p, d; cin >> p >> d; p--; d--; cd.add(c[p], -1); c[p] = d; cd.add(c[p], 1); } else { int p; cin >> p; p--; ll ans = cd.query(p); cout << ans << "\n"; } } } signed main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(10); init_f(); //expr(); //int t; cin >> t; rep(i, t) //while (cin >> n >> m>>s1>>s2>>t, n) solve(); return 0; }