Submission #673783

#	Time	Username	Problem	Language	Result	Execution time	Memory
673783		abysmal	Sprinkler (JOI22_sprinkler)	C++14	3 / 100	4057 ms	24904 KiB

sprinkler

#include<iostream>
#include<stdio.h>
#include<stdint.h>
#include<vector>
#include<algorithm>
#include<utility>
#include<set>
#include<map>
#include<queue>
#include<stack>

using namespace std;

const int64_t INF = (int64_t) 1e18 + 777;
const int64_t mINF = 2500 + 5;
const int64_t MOD = 1e9 + 9;
const int nbit = 11;
const int ndig = 10;
const int nchar = 26;
const int p1 = 31;
const int p2 = 53;
const int D = 4;
int dr[D] = {0, 1, 0, -1};
int dc[D] = {1, 0, -1, 0};

struct Solution
{
    int n;
    int64_t l;
    vector<int> h;
    vector<vector<int> > adj;
    Solution() {}

    void solve()
    {
        cin >> n >> l;

        adj.resize(n);
        for(int i = 0; i < n - 1; i++)
        {
            int u;
            int v;
            cin >> u >> v;
            u--; v--;

            adj[u].push_back(v);
            adj[v].push_back(u);
        }

        h.resize(n);
        for(int i = 0; i < n; i++)
        {
            cin >> h[i];
        }

        int q;
        cin >> q;
        for(int i = 0; i < q; i++)
        {
            int t;
            cin >> t;

            if(t == 1)
            {
                int u;
                int d;
                int64_t w;
                cin >> u >> d >> w;
                u--;

                DFS(u, d, w);
            }
            else
            {
                int u;
                cin >> u;
                u--;

                cout << h[u] << "\n";
            }
        }
    }

    void DFS(int u, int d, int w, int p = -1)
    {
        int64_t tmp = (1LL * h[u] * w) % l;
        h[u] = tmp;
        if(d == 0) return;

        for(int i = 0; i < (int) adj[u].size(); i++)
        {
            int v = adj[u][i];
            if(v == p) continue;

            DFS(v, d - 1, w, u);
        }
    }

    int modsub(int t1, int t2)
    {
        int res = t1 - t2;
        if(res < 0) res += MOD;

        return res;
    }

    int modadd(int t1, int t2)
    {
        int res = t1 + t2;
        if(res >= MOD) res -= MOD;

        return res;
    }

    int modmul(int t1, int t2)
    {
        int64_t res = 1LL * t1 * t2;
        return (res % MOD);
    }

    bool BIT(int& mask, int& j)
    {
        return (mask & MASK(j));
    }

    int MASK(int j)
    {
        return (1 << j);
    }
};

void __startup()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

//    freopen("in.txt", "r", stdin);
//    freopen("out.txt", "w", stdout);
}

int main()
{
    __startup();
    int t = 1;
//    cin >> t;

    for(int i = 1; i <= t; i++)
    {
        Solution().solve();
    }

    return 0;
}

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