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답안 #956469

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
956469 2024-04-02T03:37:59 Z Pring Sprinkler (JOI22_sprinkler) C++17
3 / 100
 4000 ms 298400 KB 
#include <bits/stdc++.h>
using namespace std;

#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif

#define int long long
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
typedef pair<int, int> pii;

const int MXN = 400005, MXM = 45;
int n, q, h[MXN], mod;
vector<int> edge[MXN];
pii itv[MXN];

int p[MXN], rdfn[MXN], sdfn[MXN];

struct SMG {
    int n, val[MXN * 2];

    void init(int _n) {
        n = _n;
        fill(val, val + 4 * n, 1);
    }

    // void modify(int l, int r, int v) {
    //     for (l += n, r += n; l != r; (l >>= 1), (r >>= 1)) {
    //         if (l & 1) val[l] = val[l] * v % mod, l++;
    //         if (r & 1) val[r - 1] = val[r - 1] * v % mod, r--;
    //     }
    //     // val[l] = val[l] * v % mod;
    // }

    // int query(int p) {
    //     int ans = 1;
    //     for (p += n; p > 1; p >>= 1) ans = ans * val[p] % mod;
    //     return ans;
    // }
    
    void modify(int id, int l, int r, int _l, int _r, int v) {
        if (_r <= l || r <= _l) return;
        if (_l <= l && r <= _r) {
            val[id] = val[id] * v % mod;
            return;
        }
        int mid = (l + r) >> 1;
        modify(id * 2 + 1, l, mid, _l, _r, v);
        modify(id * 2 + 2, mid, r, _l, _r, v);
    }

    int query(int id, int l, int r, int p) {
        if (l + 1 == r) return val[id];
        int mid = (l + r) >> 1;
        if (p < mid) return val[id] * query(id * 2 + 1, l, mid, p) % mod;
        return val[id] * query(id * 2 + 2, mid, r, p) % mod;
    }

    void modify(int l, int r, int v) {
        modify(0, 0, n, l, r, v);
    }

    int query(int p) {
        return query(0, 0, n, p);
    }
};

struct BIT {
    int n;
    SMG smg[MXM];

    void init(int _n, int _m) {
        n = _n;
        FOR(i, 0, n + 1) smg[i].init(_m);
    }

    void modify(int lyr, int l, int r, int v) {
        debug(lyr, l, r, v);
        if (l == r) return;
        for (; lyr <= n; lyr += (lyr & -lyr)) smg[lyr].modify(l, r, v);
    }

    int query(int lyr, int id) {
        int ans = 1;
        for (; lyr > 0; lyr -= (lyr & -lyr)) ans = ans * smg[lyr].query(id) % mod;
        return ans;
    }
} B;

void PRE() {
    fill(rdfn + 1, rdfn + n + 1, -1);
    sdfn[0] = 1;
    rdfn[1] = 0;
    p[1] = 0;
    int ptr = 1;
    FOR(i, 0, n) {
        int id = sdfn[i];
        itv[id].fs = ptr;
        for (auto &i : edge[id]) {
            if (rdfn[i] != -1) continue;
            p[i] = id;
            sdfn[ptr] = i;
            rdfn[i] = ptr;
            ptr++;
        }
        itv[id].sc = ptr;
    }
}

void MODIFY_ITV(int d, int l, int r, int w) {
    debug(d, l, r, w);
    if (d < 0) return;
    if (l == r) return;
    if (d == 0) {
        B.smg[0].modify(l, r, w);
        return;
    }
    B.modify(41 - d, l, r, w);
}

void MODIFY(int x, int d, int w) {
    MODIFY_ITV(d, rdfn[x], rdfn[x] + 1, w);
    int pre = x, cur = p[x];
    for (int dd = d - 1; dd >= 0; dd--) {
        debug(dd, pre, cur);
        if (cur == 0) return;
        MODIFY_ITV(0, rdfn[cur], rdfn[cur] + 1, w);
        MODIFY_ITV(dd - 1, itv[cur].fs, rdfn[pre], w);
        MODIFY_ITV(dd - 1, rdfn[pre] + 1, itv[cur].sc, w);
        pre = cur;
        cur = p[cur];
    }
}

int QUERY(int id) {
    int now = id;
    int ans = B.query(40, rdfn[now]) * B.smg[0].query(rdfn[now]) % mod;
    ans = ans * h[id] % mod;
    for (int d = 40; d >= 0; d--) {
        now = p[now];
        if (now == 0) break;
        ans = ans * B.query(d, rdfn[now]) % mod;
    }
    return ans;
}

void miku() {
    int x, y;
    cin >> n >> mod;
    FOR(i, 1, n) {
        cin >> x >> y;
        edge[x].push_back(y);
        edge[y].push_back(x);
    }
    FOR(i, 1, n + 1) cin >> h[i];
    PRE();
    B.init(40, n);
    // FOR(i, 1, n + 1) cout << QUERY(i) << ' ';
    // cout << endl;
    cin >> q;
    while (q--) {
        int t, x, d, w;
        cin >> t;
        if (t == 1) {
            cin >> x >> d >> w;
            MODIFY(x, d, w);
        } else {
            cin >> x;
            cout << QUERY(x) << '\n';
        }
        // FOR(i, 1, n + 1) cout << QUERY(i) << ' ';
        // cout << endl;
    }
}

int32_t main() {
    cin.tie(0) -> sync_with_stdio(false);
    cin.exceptions(cin.failbit);
    miku();
    return 0;
}

Compilation message

sprinkler.cpp: In member function 'void BIT::modify(long long int, long long int, long long int, long long int)':
sprinkler.cpp:11:20: warning: statement has no effect [-Wunused-value]
   11 | #define debug(...) 39
      |                    ^~
sprinkler.cpp:87:9: note: in expansion of macro 'debug'
   87 |         debug(lyr, l, r, v);
      |         ^~~~~
sprinkler.cpp: In function 'void MODIFY_ITV(long long int, long long int, long long int, long long int)':
sprinkler.cpp:11:20: warning: statement has no effect [-Wunused-value]
   11 | #define debug(...) 39
      |                    ^~
sprinkler.cpp:120:5: note: in expansion of macro 'debug'
  120 |     debug(d, l, r, w);
      |     ^~~~~
sprinkler.cpp: In function 'void MODIFY(long long int, long long int, long long int)':
sprinkler.cpp:11:20: warning: statement has no effect [-Wunused-value]
   11 | #define debug(...) 39
      |                    ^~
sprinkler.cpp:134:9: note: in expansion of macro 'debug'
  134 |         debug(dd, pre, cur);
      |         ^~~~~

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 80468 KB Output is correct
2 Correct 11 ms 80472 KB Output is correct
3 Correct 10 ms 80476 KB Output is correct
4 Correct 15 ms 80888 KB Output is correct
5 Correct 17 ms 83032 KB Output is correct
6 Correct 13 ms 82844 KB Output is correct
7 Correct 13 ms 80988 KB Output is correct
8 Correct 12 ms 82928 KB Output is correct
9 Correct 11 ms 80476 KB Output is correct
10 Correct 12 ms 82508 KB Output is correct
11 Correct 10 ms 80476 KB Output is correct
12 Correct 11 ms 80472 KB Output is correct
13 Correct 10 ms 80476 KB Output is correct
14 Correct 12 ms 82524 KB Output is correct
15 Correct 10 ms 80472 KB Output is correct
16 Correct 11 ms 82608 KB Output is correct
17 Correct 11 ms 80476 KB Output is correct
18 Correct 11 ms 80452 KB Output is correct
19 Correct 10 ms 80476 KB Output is correct
20 Correct 10 ms 80476 KB Output is correct
21 Correct 11 ms 82472 KB Output is correct
22 Correct 11 ms 80476 KB Output is correct
23 Correct 11 ms 80476 KB Output is correct
24 Correct 10 ms 80392 KB Output is correct
25 Correct 11 ms 82524 KB Output is correct
26 Correct 12 ms 80472 KB Output is correct
27 Correct 11 ms 82524 KB Output is correct
28 Correct 11 ms 80472 KB Output is correct

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 80392 KB Output is correct
2 Execution timed out 4099 ms 298400 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 80392 KB Output is correct
2 Execution timed out 4099 ms 298400 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 84572 KB Output is correct
2 Execution timed out 4094 ms 297120 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 84568 KB Output is correct
2 Execution timed out 4030 ms 297840 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 80468 KB Output is correct
2 Correct 11 ms 80472 KB Output is correct
3 Correct 10 ms 80476 KB Output is correct
4 Correct 15 ms 80888 KB Output is correct
5 Correct 17 ms 83032 KB Output is correct
6 Correct 13 ms 82844 KB Output is correct
7 Correct 13 ms 80988 KB Output is correct
8 Correct 12 ms 82928 KB Output is correct
9 Correct 11 ms 80476 KB Output is correct
10 Correct 12 ms 82508 KB Output is correct
11 Correct 10 ms 80476 KB Output is correct
12 Correct 11 ms 80472 KB Output is correct
13 Correct 10 ms 80476 KB Output is correct
14 Correct 12 ms 82524 KB Output is correct
15 Correct 10 ms 80472 KB Output is correct
16 Correct 11 ms 82608 KB Output is correct
17 Correct 11 ms 80476 KB Output is correct
18 Correct 11 ms 80452 KB Output is correct
19 Correct 10 ms 80476 KB Output is correct
20 Correct 10 ms 80476 KB Output is correct
21 Correct 11 ms 82472 KB Output is correct
22 Correct 11 ms 80476 KB Output is correct
23 Correct 11 ms 80476 KB Output is correct
24 Correct 10 ms 80392 KB Output is correct
25 Correct 11 ms 82524 KB Output is correct
26 Correct 12 ms 80472 KB Output is correct
27 Correct 11 ms 82524 KB Output is correct
28 Correct 11 ms 80472 KB Output is correct
29 Correct 10 ms 80392 KB Output is correct
30 Execution timed out 4099 ms 298400 KB Time limit exceeded
31 Halted 0 ms 0 KB -