Submission #1287386

#	Time	Username	Problem	Language	Result	Execution time	Memory
1287386		duckindog	Sprinkler (JOI22_sprinkler)	C++20	3 / 100	4094 ms	15792 KiB

sprinkler

#include <bits/stdc++.h>

using namespace std;

const int N = 200'000 + 10;
int n, L, q;
vector<int> ad[N];
int h[N];

void dfs(int u, int p, int d, int w) { 
    if (d < 0) return;
    h[u] = 1ll * h[u] * w % L;
    for (const auto& v : ad[u]) { 
        if (v == p) continue;
        dfs(v, u, d - 1, w);
    }
}

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> L;
    for (int i = 1; i < n; ++i) { 
        int u, v; cin >> u >> v;
        ad[u].push_back(v);
        ad[v].push_back(u);
    }
    for (int i = 1; i <= n; ++i) cin >> h[i];
    cin >> q;
    
    while (q--) { 
        int type; cin >> type;
        
        if (type == 1) { 
            int x, d, w; cin >> x >> d >> w;
            dfs(x, -1, d, w);
        }

        if (type == 2) {
            int x; cin >> x;
            cout << h[x] << "\n";
        }
    }
}

• Subtask 1: 3 / 3
• Subtask 2: 0 / 9
• Subtask 3: 0 / 29
• Subtask 4: 0 / 12
• Subtask 5: 0 / 30
• Subtask 6: 0 / 17