이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using ii = pair <ll, ll>;
using vii = vector <ii>;
const ll MAXN = 2E5+16;
vll adj[MAXN];
ll L;
vll ve;
void dfs (ll u, ll par, ll w, ll dis, ll maxD) {
    (ve[u] *= w) %= L;
    if (dis == maxD) return;
    for (ll v : adj[u]) {
        if (v == par) continue;
        dfs(v, u, w, dis+1, maxD);
    }
}
int main () {
    cin.tie(nullptr) -> sync_with_stdio(false);
    ll n;
    cin >> n >> L;
    for (ll i = 1; i < n; i++) {
        ll u, v;
        cin >> u >> v;
        u--; v--;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    ve = vll(n);
    for (ll &i : ve) cin >> i;
    ll Q;
    cin >> Q;
    for (ll q = 0; q < Q; q++) {
        char type;
        cin >> type;
        switch (type) {
            case '1':
            {ll u, maxD, w;
            cin >> u >> maxD >> w;
            u--;
            dfs(u, u, w, 0, maxD);}
            break;
            case '2':
            {ll u;
            cin >> u;
            u--;
            cout << ve[u] << '\n';}
            break;
        }
    }
    return 0;
}
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