結果

問題 No.1197 モンスターショー
ユーザー heno239
提出日時 2022-09-24 12:09:19
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 598 ms / 3,000 ms
コード長 8,060 bytes
コンパイル時間 1,807 ms
コンパイル使用メモリ 152,572 KB
最終ジャッジ日時 2025-02-07 14:15:53
ジャッジサーバーID
（参考情報） 		judge3 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 41
権限があれば一括ダウンロードができます
コンパイルメッセージ
In member function ‘void Centroid_Decomposition::add(int, int)’,
    inlined from ‘void solve()’ at main.cpp:376:17:
main.cpp:331:43: warning: ‘id’ may be used uninitialized [-Wmaybe-uninitialized]
  331 |                                 nums[g][id] += a;
      |                                           ^
main.cpp: In function ‘void solve()’:
main.cpp:322:32: note: ‘id’ was declared here
  322 |                 int g = c; int id;
      |                                ^~
In member function ‘ll Centroid_Decomposition::query(int)’,
    inlined from ‘void solve()’ at main.cpp:385:21:
main.cpp:351:62: warning: ‘id’ may be used uninitialized [-Wmaybe-uninitialized]
  351 |                                 res += pdist[g] - dists[g][id];
      |                                                              ^
main.cpp: In function ‘void solve()’:
main.cpp:340:32: note: ‘id’ was declared here
  340 |                 int g = c; int id;
      |                                ^~
In member function ‘void Centroid_Decomposition::add(int, int)’,
    inlined from ‘void solve()’ at main.cpp:381:10:
main.cpp:331:43: warning: ‘id’ may be used uninitialized [-Wmaybe-uninitialized]
  331 |                                 nums[g][id] += a;
      |                                           ^
main.cpp: In function ‘void solve()’:
main.cpp:322:32: note: ‘id’ was declared here
  322 |                 int g = c; int id;
      |                                ^~
In member function ‘void Centroid_Decomposition::add(int, int)’,
    inlined from ‘void solve()’ at main.cpp:381:38:
main.cpp:331:43: warning: ‘id’ may be used uninitialized [-Wmaybe-uninitialized]
  331 |                                 nums[g][id] += a;
      |                                           ^
main.cpp: In function ‘void solve()’:
main.cpp:322:32: note: ‘id’ was declared here
  322 |                 int g = c; int id;
      |

ソースコード

diff #
プレゼンテーションモードにする

#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<int>> pardists;
    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);
        pardists.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;
            pardists[g].push_back(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;
                        pardists[v].push_back(d);
                        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;
        rep(i, n)reverse(all(pardists[i]));
        //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;
        for(int i=0;g>=0;i++){
            if (g == c) {
                pnum[g] += a;
            }
            else {
                //d(g,c)
                int dist = pardists[c][i];
                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;
        for(int i=0;g>=0;i++){
            if (g == c) {
                res += pdist[g];
            }
            else {
                //d(g,c)
                ll dist = pardists[c][i];
                //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;
}
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