oj.uz

답안 #878462

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
878462 2023-11-24T12:20:28 Z borisAngelov Sprinkler (JOI22_sprinkler) C++17
100 / 100
 663 ms 105044 KB 
#include <bits/stdc++.h>

using namespace std;

const int maxn = 200005;
const int maxDepth = 40;

int n, q;
long long mod;

vector<int> g[maxn];

long long height[maxn];

long long lazy[maxn][maxDepth + 5];

int parent[maxn];

void dfs(int node, int par)
{
    parent[node] = par;

    for (int i = 0; i < g[node].size(); ++i)
    {
        if (g[node][i] != par)
        {
            dfs(g[node][i], node);
        }
    }
}

void update(int node, int dist, long long mult)
{
    while (node != -1 && dist >= 0)
    {
        if (node == 1) // if you do this cycle for every node (like in my last submit) you will count one lazy more than one time, which is not good
        {
            for (int i = dist; i >= 0; --i)
            {
                lazy[node][i] *= mult;
                lazy[node][i] %= mod;
            }

            break;
        }

        lazy[node][dist] *= mult;
        lazy[node][dist] %= mod;

        if (dist >= 1)
        {
            lazy[node][dist - 1] *= mult;
            lazy[node][dist - 1] %= mod;
        }

        --dist;
        node = parent[node];
    }
}

long long query(int node)
{
    int dist = 0;
    long long ans = height[node];

    while (node != -1 && dist <= 40)
    {
        ans = (ans * lazy[node][dist]) % mod;
        node = parent[node];
        ++dist;
    }

    return ans;
}

void fastIO()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}

int main()
{
    fastIO();

    cin >> n >> mod;

    for (int i = 1; i <= n - 1; ++i)
    {
        int x, y;
        cin >> x >> y;

        g[x].push_back(y);
        g[y].push_back(x);
    }

    for (int i = 1; i <= n; ++i)
    {
        cin >> height[i];
    }

    for (int i = 1; i <= n; ++i)
    {
        for (int j = 0; j <= maxDepth; ++j)
        {
            lazy[i][j] = 1;
        }
    }

    dfs(1, -1);

    cin >> q;

    for (int i = 1; i <= q; ++i)
    {
        int type;
        cin >> type;

        if (type == 1)
        {
            int node, dist, mult;
            cin >> node >> dist >> mult;
            update(node, dist, mult);
        }
        else
        {
            int node;
            cin >> node;
            cout << query(node) << "\n";
        }
    }

    return 0;
}

Compilation message

sprinkler.cpp: In function 'void dfs(int, int)':
sprinkler.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0; i < g[node].size(); ++i)
      |                     ~~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9820 KB Output is correct
2 Correct 2 ms 9820 KB Output is correct
3 Correct 2 ms 9820 KB Output is correct
4 Correct 3 ms 10076 KB Output is correct
5 Correct 3 ms 10120 KB Output is correct
6 Correct 3 ms 10076 KB Output is correct
7 Correct 3 ms 10076 KB Output is correct
8 Correct 2 ms 10076 KB Output is correct
9 Correct 2 ms 10076 KB Output is correct
10 Correct 2 ms 10076 KB Output is correct
11 Correct 2 ms 10076 KB Output is correct
12 Correct 2 ms 10076 KB Output is correct
13 Correct 2 ms 10072 KB Output is correct
14 Correct 3 ms 10228 KB Output is correct
15 Correct 2 ms 10072 KB Output is correct
16 Correct 2 ms 10060 KB Output is correct
17 Correct 2 ms 10076 KB Output is correct
18 Correct 2 ms 10076 KB Output is correct
19 Correct 2 ms 9820 KB Output is correct
20 Correct 2 ms 9820 KB Output is correct
21 Correct 2 ms 10056 KB Output is correct
22 Correct 2 ms 9820 KB Output is correct
23 Correct 2 ms 9820 KB Output is correct
24 Correct 2 ms 9820 KB Output is correct
25 Correct 3 ms 9904 KB Output is correct
26 Correct 2 ms 10076 KB Output is correct
27 Correct 2 ms 10076 KB Output is correct
28 Correct 2 ms 10072 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9820 KB Output is correct
2 Correct 394 ms 94416 KB Output is correct
3 Correct 253 ms 93772 KB Output is correct
4 Correct 397 ms 99664 KB Output is correct
5 Correct 324 ms 94624 KB Output is correct
6 Correct 232 ms 94032 KB Output is correct
7 Correct 222 ms 94352 KB Output is correct
8 Correct 210 ms 94728 KB Output is correct
9 Correct 494 ms 103188 KB Output is correct
10 Correct 277 ms 101968 KB Output is correct
11 Correct 380 ms 94492 KB Output is correct
12 Correct 250 ms 90960 KB Output is correct
13 Correct 171 ms 91336 KB Output is correct
14 Correct 185 ms 91636 KB Output is correct
15 Correct 166 ms 90960 KB Output is correct
16 Correct 176 ms 91220 KB Output is correct
17 Correct 180 ms 91952 KB Output is correct
18 Correct 2 ms 10076 KB Output is correct
19 Correct 2 ms 10076 KB Output is correct
20 Correct 3 ms 10076 KB Output is correct
21 Correct 2 ms 9916 KB Output is correct
22 Correct 2 ms 10076 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9820 KB Output is correct
2 Correct 394 ms 94416 KB Output is correct
3 Correct 253 ms 93772 KB Output is correct
4 Correct 397 ms 99664 KB Output is correct
5 Correct 324 ms 94624 KB Output is correct
6 Correct 232 ms 94032 KB Output is correct
7 Correct 222 ms 94352 KB Output is correct
8 Correct 210 ms 94728 KB Output is correct
9 Correct 494 ms 103188 KB Output is correct
10 Correct 277 ms 101968 KB Output is correct
11 Correct 380 ms 94492 KB Output is correct
12 Correct 250 ms 90960 KB Output is correct
13 Correct 171 ms 91336 KB Output is correct
14 Correct 185 ms 91636 KB Output is correct
15 Correct 166 ms 90960 KB Output is correct
16 Correct 176 ms 91220 KB Output is correct
17 Correct 180 ms 91952 KB Output is correct
18 Correct 2 ms 10076 KB Output is correct
19 Correct 2 ms 10076 KB Output is correct
20 Correct 3 ms 10076 KB Output is correct
21 Correct 2 ms 9916 KB Output is correct
22 Correct 2 ms 10076 KB Output is correct
23 Correct 2 ms 9820 KB Output is correct
24 Correct 400 ms 92376 KB Output is correct
25 Correct 255 ms 96468 KB Output is correct
26 Correct 390 ms 105044 KB Output is correct
27 Correct 321 ms 96120 KB Output is correct
28 Correct 254 ms 96376 KB Output is correct
29 Correct 226 ms 96008 KB Output is correct
30 Correct 210 ms 96948 KB Output is correct
31 Correct 497 ms 102224 KB Output is correct
32 Correct 290 ms 104904 KB Output is correct
33 Correct 374 ms 95828 KB Output is correct
34 Correct 267 ms 96596 KB Output is correct
35 Correct 2 ms 10072 KB Output is correct
36 Correct 3 ms 10076 KB Output is correct
37 Correct 2 ms 10076 KB Output is correct
38 Correct 2 ms 9852 KB Output is correct
39 Correct 3 ms 10076 KB Output is correct
40 Correct 2 ms 9820 KB Output is correct
41 Correct 2 ms 9820 KB Output is correct
42 Correct 2 ms 9820 KB Output is correct
43 Correct 2 ms 10076 KB Output is correct
44 Correct 2 ms 9820 KB Output is correct
45 Correct 2 ms 10072 KB Output is correct
46 Correct 2 ms 9820 KB Output is correct
47 Correct 2 ms 10076 KB Output is correct
48 Correct 3 ms 9820 KB Output is correct
49 Correct 2 ms 10076 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9820 KB Output is correct
2 Correct 515 ms 98532 KB Output is correct
3 Correct 602 ms 96084 KB Output is correct
4 Correct 491 ms 96396 KB Output is correct
5 Correct 360 ms 89172 KB Output is correct
6 Correct 254 ms 89168 KB Output is correct
7 Correct 243 ms 89368 KB Output is correct
8 Correct 192 ms 90052 KB Output is correct
9 Correct 530 ms 95980 KB Output is correct
10 Correct 584 ms 99920 KB Output is correct
11 Correct 403 ms 91336 KB Output is correct
12 Correct 406 ms 92036 KB Output is correct
13 Correct 313 ms 92880 KB Output is correct
14 Correct 308 ms 93212 KB Output is correct
15 Correct 2 ms 9820 KB Output is correct
16 Correct 2 ms 9820 KB Output is correct
17 Correct 2 ms 9820 KB Output is correct
18 Correct 2 ms 10052 KB Output is correct
19 Correct 3 ms 9812 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9820 KB Output is correct
2 Correct 523 ms 101464 KB Output is correct
3 Correct 637 ms 98776 KB Output is correct
4 Correct 464 ms 100176 KB Output is correct
5 Correct 361 ms 94800 KB Output is correct
6 Correct 281 ms 95064 KB Output is correct
7 Correct 267 ms 94696 KB Output is correct
8 Correct 197 ms 95156 KB Output is correct
9 Correct 525 ms 104148 KB Output is correct
10 Correct 587 ms 102448 KB Output is correct
11 Correct 403 ms 95716 KB Output is correct
12 Correct 388 ms 94032 KB Output is correct
13 Correct 312 ms 94848 KB Output is correct
14 Correct 315 ms 95292 KB Output is correct
15 Correct 2 ms 10076 KB Output is correct
16 Correct 2 ms 9820 KB Output is correct
17 Correct 2 ms 9912 KB Output is correct
18 Correct 2 ms 10072 KB Output is correct
19 Correct 3 ms 10076 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9820 KB Output is correct
2 Correct 2 ms 9820 KB Output is correct
3 Correct 2 ms 9820 KB Output is correct
4 Correct 3 ms 10076 KB Output is correct
5 Correct 3 ms 10120 KB Output is correct
6 Correct 3 ms 10076 KB Output is correct
7 Correct 3 ms 10076 KB Output is correct
8 Correct 2 ms 10076 KB Output is correct
9 Correct 2 ms 10076 KB Output is correct
10 Correct 2 ms 10076 KB Output is correct
11 Correct 2 ms 10076 KB Output is correct
12 Correct 2 ms 10076 KB Output is correct
13 Correct 2 ms 10072 KB Output is correct
14 Correct 3 ms 10228 KB Output is correct
15 Correct 2 ms 10072 KB Output is correct
16 Correct 2 ms 10060 KB Output is correct
17 Correct 2 ms 10076 KB Output is correct
18 Correct 2 ms 10076 KB Output is correct
19 Correct 2 ms 9820 KB Output is correct
20 Correct 2 ms 9820 KB Output is correct
21 Correct 2 ms 10056 KB Output is correct
22 Correct 2 ms 9820 KB Output is correct
23 Correct 2 ms 9820 KB Output is correct
24 Correct 2 ms 9820 KB Output is correct
25 Correct 3 ms 9904 KB Output is correct
26 Correct 2 ms 10076 KB Output is correct
27 Correct 2 ms 10076 KB Output is correct
28 Correct 2 ms 10072 KB Output is correct
29 Correct 2 ms 9820 KB Output is correct
30 Correct 394 ms 94416 KB Output is correct
31 Correct 253 ms 93772 KB Output is correct
32 Correct 397 ms 99664 KB Output is correct
33 Correct 324 ms 94624 KB Output is correct
34 Correct 232 ms 94032 KB Output is correct
35 Correct 222 ms 94352 KB Output is correct
36 Correct 210 ms 94728 KB Output is correct
37 Correct 494 ms 103188 KB Output is correct
38 Correct 277 ms 101968 KB Output is correct
39 Correct 380 ms 94492 KB Output is correct
40 Correct 250 ms 90960 KB Output is correct
41 Correct 171 ms 91336 KB Output is correct
42 Correct 185 ms 91636 KB Output is correct
43 Correct 166 ms 90960 KB Output is correct
44 Correct 176 ms 91220 KB Output is correct
45 Correct 180 ms 91952 KB Output is correct
46 Correct 2 ms 10076 KB Output is correct
47 Correct 2 ms 10076 KB Output is correct
48 Correct 3 ms 10076 KB Output is correct
49 Correct 2 ms 9916 KB Output is correct
50 Correct 2 ms 10076 KB Output is correct
51 Correct 2 ms 9820 KB Output is correct
52 Correct 400 ms 92376 KB Output is correct
53 Correct 255 ms 96468 KB Output is correct
54 Correct 390 ms 105044 KB Output is correct
55 Correct 321 ms 96120 KB Output is correct
56 Correct 254 ms 96376 KB Output is correct
57 Correct 226 ms 96008 KB Output is correct
58 Correct 210 ms 96948 KB Output is correct
59 Correct 497 ms 102224 KB Output is correct
60 Correct 290 ms 104904 KB Output is correct
61 Correct 374 ms 95828 KB Output is correct
62 Correct 267 ms 96596 KB Output is correct
63 Correct 2 ms 10072 KB Output is correct
64 Correct 3 ms 10076 KB Output is correct
65 Correct 2 ms 10076 KB Output is correct
66 Correct 2 ms 9852 KB Output is correct
67 Correct 3 ms 10076 KB Output is correct
68 Correct 2 ms 9820 KB Output is correct
69 Correct 2 ms 9820 KB Output is correct
70 Correct 2 ms 9820 KB Output is correct
71 Correct 2 ms 10076 KB Output is correct
72 Correct 2 ms 9820 KB Output is correct
73 Correct 2 ms 10072 KB Output is correct
74 Correct 2 ms 9820 KB Output is correct
75 Correct 2 ms 10076 KB Output is correct
76 Correct 3 ms 9820 KB Output is correct
77 Correct 2 ms 10076 KB Output is correct
78 Correct 2 ms 9820 KB Output is correct
79 Correct 515 ms 98532 KB Output is correct
80 Correct 602 ms 96084 KB Output is correct
81 Correct 491 ms 96396 KB Output is correct
82 Correct 360 ms 89172 KB Output is correct
83 Correct 254 ms 89168 KB Output is correct
84 Correct 243 ms 89368 KB Output is correct
85 Correct 192 ms 90052 KB Output is correct
86 Correct 530 ms 95980 KB Output is correct
87 Correct 584 ms 99920 KB Output is correct
88 Correct 403 ms 91336 KB Output is correct
89 Correct 406 ms 92036 KB Output is correct
90 Correct 313 ms 92880 KB Output is correct
91 Correct 308 ms 93212 KB Output is correct
92 Correct 2 ms 9820 KB Output is correct
93 Correct 2 ms 9820 KB Output is correct
94 Correct 2 ms 9820 KB Output is correct
95 Correct 2 ms 10052 KB Output is correct
96 Correct 3 ms 9812 KB Output is correct
97 Correct 2 ms 9820 KB Output is correct
98 Correct 523 ms 101464 KB Output is correct
99 Correct 637 ms 98776 KB Output is correct
100 Correct 464 ms 100176 KB Output is correct
101 Correct 361 ms 94800 KB Output is correct
102 Correct 281 ms 95064 KB Output is correct
103 Correct 267 ms 94696 KB Output is correct
104 Correct 197 ms 95156 KB Output is correct
105 Correct 525 ms 104148 KB Output is correct
106 Correct 587 ms 102448 KB Output is correct
107 Correct 403 ms 95716 KB Output is correct
108 Correct 388 ms 94032 KB Output is correct
109 Correct 312 ms 94848 KB Output is correct
110 Correct 315 ms 95292 KB Output is correct
111 Correct 2 ms 10076 KB Output is correct
112 Correct 2 ms 9820 KB Output is correct
113 Correct 2 ms 9912 KB Output is correct
114 Correct 2 ms 10072 KB Output is correct
115 Correct 3 ms 10076 KB Output is correct
116 Correct 414 ms 94036 KB Output is correct
117 Correct 449 ms 96772 KB Output is correct
118 Correct 515 ms 104832 KB Output is correct
119 Correct 376 ms 96364 KB Output is correct
120 Correct 292 ms 95892 KB Output is correct
121 Correct 283 ms 96592 KB Output is correct
122 Correct 216 ms 96692 KB Output is correct
123 Correct 513 ms 103196 KB Output is correct
124 Correct 663 ms 101728 KB Output is correct
125 Correct 400 ms 95024 KB Output is correct
126 Correct 461 ms 96588 KB Output is correct
127 Correct 486 ms 96888 KB Output is correct
128 Correct 425 ms 97884 KB Output is correct
129 Correct 435 ms 98148 KB Output is correct