Submission #1124078

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124078		Whisper	Sprinkler (JOI22_sprinkler)	C++20	0 / 100	1759 ms	752752 KiB

sprinkler

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define int long long
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FORD(i, a, b) for (int i = (b); i >= (a); i --)
#define REP(i, a) for (int i = 0; i < (a); ++i)
#define REPD(i, a) for (int i = (a) - 1; i >= 0; --i)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)


constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

/*
    Phu Trong from Nguyen Tat Thanh High School for gifted student
*/

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }
#define MAX                 2000045
int numNode, lim, numQuery;
int label[MAX];
vector<int> G[MAX];
int F[44][MAX];
int pa[MAX];

void dfs(int u, int p = -1){
    pa[u] = p;
    for (int&v : G[u]) if(v ^ p){
        dfs(v, u);
    }
}

int mul(int a, int b){
    return 1LL * a * b % lim;
}
void process(void){
    cin >> numNode >> lim;
    for (int i = 1; i < numNode; ++i){
        int u, v; cin >> u >> v;
        u += 41, v += 41;
        G[u].emplace_back(v);
        G[v].emplace_back(u);
    }
    for (int i = 1; i <= 41; ++i){
        G[i].emplace_back(i + 1);
        G[i + 1].emplace_back(i);
    }
    memset(F, 1, sizeof F);
    for (int i = 1; i <= numNode; ++i) cin >> label[i + 41];
    dfs(1);


    cin >> numQuery;

    for (int qu = 1; qu <= numQuery; ++qu){
        int cmd; cin >> cmd;
        if(cmd == 1){
            int node, d, w; cin >> node >> d >> w;
            node += 41;
            for (int i = d; i >= 0; --i){
                F[i][node] = mul(F[i][node], w);
                if(i > 0) F[i - 1][node] = mul(F[i - 1][node], w);
                node = pa[node];
            }
        }
        else{
            int node; cin >> node;
            node += 41;
            int res = label[node];
            for (int i = 0; i <= 41; ++i){
                res = mul(res, F[i][node]);
                node = pa[node];
            }
            cout << res << '\n';
        }
    }
}
signed main(){
    #define name "Whisper"
    cin.tie(nullptr) -> sync_with_stdio(false);
    // freopen(name".inp", "r", stdin);
    // freopen(name".out", "w", stdout);
    process();
    return (0 ^ 0);
}

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