Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(int i = 0; (i) < (n); (i)++)
#define INF 5000000000000000
using namespace std;

struct Edge{
    int to;
    long weight;
    Edge(int t, long w) : to(t), weight(w) {}
};

long modpow(long a, long n, long mod) {
    long res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return res;
}

// a^{-1} mod を計算する
long modinv(long a, long mod) {
    return modpow(a, mod - 2, mod);
}

struct compare1 { 
    bool operator()(const pair<long, long>& value,  
                                const long& key) 
    { 
        return (value.first < key); 
    } 
    bool operator()(const long& key,  
                    const pair<long, long>& value) 
    { 
        return (key < value.first); 
    } 
};

struct UnionFind {
    vector<int> par;
    vector<int> rank;

    UnionFind(int n = 1){
        init(n);
    }

    void init(int n = 1){
        par.resize(n);
        rank.resize(n);
        REP(i, n) par[i] = i, rank[i] = 0; 
    }

    int root(int x){
        if(par[x] == x) return x;
        else return par[x] = root(par[x]);
    }

    bool issame(int x, int y){
        return root(x) == root(y);
    }

    bool merge(int x, int y){
        x = root(x); y = root(y);
        if(x == y) return false;
        if(rank[x] < rank[y]) swap(x, y);
        if(rank[x] == rank[y]) rank[x]++;
        par[y] = x;
        return true;
    }
};

template<class Abel> struct weightedUnionFind{
    vector<int> par;
    vector<int> rank;
    vector<Abel> diff_weight;

    weightedUnionFind(int n = 1, Abel SUM_UNITY = 0){
        init(n, SUM_UNITY);
    }

    void init(int n = 1, Abel SUM_UNITY = 0){
        par.resize(n); rank.resize(n); diff_weight.resize(n);
        REP(i, n) par[i] = i, rank[i] = 0, diff_weight[i] = SUM_UNITY; 
    }

    int root(int x){
        if(par[x] == x) return x;
        else{
            int r = root(par[x]);
            diff_weight[x] += diff_weight[par[x]];
            return par[x] = r;
        }
    }

    Abel weight(int x){
        root(x);
        return diff_weight[x];
    }

    bool issame(int x, int y){
        return root(x) == root(y);
    }

    bool merge(int x, int y, Abel w){
        w += weight(x); w -= weight(y);
        x = root(x); y = root(y);
        if(x == y) return false;
        if(rank[x] < rank[y]) swap(x, y), w = -w;
        if(rank[x] == rank[y]) rank[x]++;
        par[y] = x;
        diff_weight[y] = w;
        return true;
    }

    Abel diff(int x, int y){
        return weight(y) - weight(x);
    }
};

using Graph = vector<vector<int>>;
using P = pair<int, int>;

/*
void dijkstra(int s, int V, Graph &G, long* d){
    priority_queue<P, vector<P>, greater<P>> pque;
    fill(d, d + V, INF);
    d[s] = 0;
    pque.push(P(0, s));

    while(!pque.empty()){
        P p = pque.top(); pque.pop();
        int now = p.second;
        if(d[now] < p.first) continue;
        REP(i, G[now].size()){
            Edge e = G[now][i];
            if(d[e.to] > d[now] + e.weight){
                d[e.to] = d[now] + e.weight;
                pque.push(P(d[e.to], e.to));
            }
        }
    }
}
*/
long kaijyo[200005];
long kaijyo2[200005];
long dp[200005];
int kosu[200005];
long dp2[200005];
bool check[200005];
Graph G(200005);
long mod = 1000000007;
int N;

void dfs(int par, int me){
    dp[me] = 1;
    kosu[me] = 1;
    int temp = 0;
    for(auto next : G[me]){
        if(next == par) continue;
        dfs(me, next);
        dp[me] *= dp[next];
        dp[me] %= mod;
        dp[me] *= kaijyo2[kosu[next]];
        dp[me] %= mod;
        temp += kosu[next];
    }
    dp[me] *= kaijyo[temp];
    dp[me] %= mod;
    kosu[me] = temp + 1;
}

void dfs2(int par, int me){
    if(check[me]) return;
    dp2[me] = 1;
    for(auto next : G[me]){
        if(next == par){
            dp2[me] = dp2[par] * kaijyo2[N-1];
            dp2[me] %= mod;
            dp2[me] *= modinv(dp[me], mod);
            dp2[me] %= mod;
            dp2[me] *= kaijyo[N-kosu[me]-1];
            dp2[me] %= mod;
            dp2[me] *= kaijyo[kosu[me]];
            dp2[me] %= mod;
            dp2[me] *= kaijyo2[N-kosu[me]];
            dp2[me] %= mod;
        }else{
            dp2[me] *= dp[next];
            dp2[me] %= mod;
            dp2[me] *= kaijyo2[dp[kosu[me]];
            dp2[me] %= mod;
        }
    }
    dp2[me] *= kaijyo[N-1];
    dp2[me] %= mod;
    check[me] = true;
    for(auto next : G[me]){
        dfs2(me, next);
    }
}

int main()
{
    cin >> N;
    REP(i, N-1){
        int a,b; cin >> a >> b;
        a--, b--;
        G[a].push_back(b);
        G[b].push_back(a);
    }
    kaijyo[0] = 1;
    kaijyo2[0] = 1;
    REP(i, 200000){
        kaijyo[i+1] = (kaijyo[i] * (long)(i+1)) % mod;
        kaijyo2[i+1] = (kaijyo2[i] * modinv((long)(i+1), mod)) % mod;
    }
    dfs(-1, 0);
    REP(i, N) check[i] = false;
    dfs2(-1, 0);
    REP(i, N) cout << dp2[i] << endl;
    return 0;
}



Compiler output:
a.cc: In function 'void dfs2(int, int)':
a.cc:191:44: error: expected ']' before ';' token
  191 |             dp2[me] *= kaijyo2[dp[kosu[me]];
      |                                            ^
      |                                            ]