oj.uz

Submission #766755

# Submission time Handle Problem Language Result Execution time Memory
766755 2023-06-26T06:40:34 Z Dorost Power Plant (JOI20_power) C++17
47 / 100
 55 ms 5276 KB 
/*  * In the name of GOD  */

#include "bits/stdc++.h"

using namespace std;

typedef long long ll;
typedef pair <int, int> pii;
#define F first
#define S second
#define mk make_pair
const int N = 201234;
vector <int> g[N];
int dp[N];
bool f[N];

void dfs (int v, int p = -1) {
    dp[v] = f[v];
    int sum1 = 0;
    for (int u : g[v]) {
        if (u != p) {
            dfs (u, v);
            sum1 += dp[u];
        }
    }
    if (f[v]) {
        dp[v] = max(dp[v], sum1 - 1);
    } else {
        dp[v] = max(dp[v], sum1);
    }
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie();
    cout.tie();
    int n;
    cin >> n;
    if (n > 2000)
        return 0;
    for (int i = 0; i < n - 1; i++) {
        int u, v;
        cin >> u >> v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    for (int i = 1; i <= n; i++) {
        char c;
        cin >> c;
        f[i] = (c - '0');
    }
    int mx = 1;
    for (int i = 1; i <= n; i++) {
        if (!f[i])
            continue;
        dfs (i);
        for (int j : g[i]) {
            mx = max(mx, dp[j] + 1);
        }
    }
    cout << mx;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 5052 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5048 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5052 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 5048 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 5052 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5048 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5052 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 5048 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 37 ms 5112 KB Output is correct
23 Correct 33 ms 5076 KB Output is correct
24 Correct 29 ms 5076 KB Output is correct
25 Correct 20 ms 5152 KB Output is correct
26 Correct 12 ms 5108 KB Output is correct
27 Correct 6 ms 5064 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 55 ms 5276 KB Output is correct
30 Correct 31 ms 5188 KB Output is correct
31 Correct 34 ms 5128 KB Output is correct
32 Correct 19 ms 5064 KB Output is correct
33 Correct 36 ms 5144 KB Output is correct
34 Correct 21 ms 5076 KB Output is correct
35 Correct 12 ms 5076 KB Output is correct
36 Correct 7 ms 5076 KB Output is correct
37 Correct 24 ms 5152 KB Output is correct
38 Correct 18 ms 5152 KB Output is correct
39 Correct 43 ms 5204 KB Output is correct
40 Correct 25 ms 5224 KB Output is correct
41 Correct 14 ms 5212 KB Output is correct
42 Correct 22 ms 5076 KB Output is correct
43 Correct 7 ms 5076 KB Output is correct
44 Correct 40 ms 5076 KB Output is correct
45 Correct 30 ms 5076 KB Output is correct
46 Correct 22 ms 5076 KB Output is correct
47 Correct 12 ms 5172 KB Output is correct
48 Correct 40 ms 5204 KB Output is correct
49 Correct 40 ms 5204 KB Output is correct
50 Correct 39 ms 5188 KB Output is correct
51 Correct 39 ms 5164 KB Output is correct
52 Correct 38 ms 5136 KB Output is correct
53 Correct 27 ms 5076 KB Output is correct
54 Correct 42 ms 5076 KB Output is correct
55 Correct 36 ms 5068 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5188 KB Output is correct
58 Correct 28 ms 5152 KB Output is correct
59 Correct 25 ms 5060 KB Output is correct
60 Correct 4 ms 5192 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5196 KB Output is correct
63 Correct 30 ms 5076 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 5052 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5048 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5052 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 5048 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 37 ms 5112 KB Output is correct
23 Correct 33 ms 5076 KB Output is correct
24 Correct 29 ms 5076 KB Output is correct
25 Correct 20 ms 5152 KB Output is correct
26 Correct 12 ms 5108 KB Output is correct
27 Correct 6 ms 5064 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 55 ms 5276 KB Output is correct
30 Correct 31 ms 5188 KB Output is correct
31 Correct 34 ms 5128 KB Output is correct
32 Correct 19 ms 5064 KB Output is correct
33 Correct 36 ms 5144 KB Output is correct
34 Correct 21 ms 5076 KB Output is correct
35 Correct 12 ms 5076 KB Output is correct
36 Correct 7 ms 5076 KB Output is correct
37 Correct 24 ms 5152 KB Output is correct
38 Correct 18 ms 5152 KB Output is correct
39 Correct 43 ms 5204 KB Output is correct
40 Correct 25 ms 5224 KB Output is correct
41 Correct 14 ms 5212 KB Output is correct
42 Correct 22 ms 5076 KB Output is correct
43 Correct 7 ms 5076 KB Output is correct
44 Correct 40 ms 5076 KB Output is correct
45 Correct 30 ms 5076 KB Output is correct
46 Correct 22 ms 5076 KB Output is correct
47 Correct 12 ms 5172 KB Output is correct
48 Correct 40 ms 5204 KB Output is correct
49 Correct 40 ms 5204 KB Output is correct
50 Correct 39 ms 5188 KB Output is correct
51 Correct 39 ms 5164 KB Output is correct
52 Correct 38 ms 5136 KB Output is correct
53 Correct 27 ms 5076 KB Output is correct
54 Correct 42 ms 5076 KB Output is correct
55 Correct 36 ms 5068 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5188 KB Output is correct
58 Correct 28 ms 5152 KB Output is correct
59 Correct 25 ms 5060 KB Output is correct
60 Correct 4 ms 5192 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5196 KB Output is correct
63 Correct 30 ms 5076 KB Output is correct
64 Incorrect 2 ms 5076 KB Output isn't correct
65 Halted 0 ms 0 KB -