oj.uz

Submission #1033531

# Submission time Handle Problem Language Result Execution time Memory
1033531 2024-07-25T03:05:58 Z adaawf Power Plant (JOI20_power) C++17
100 / 100
 84 ms 33168 KB 
#include <iostream>
#include <vector>
using namespace std;
int f[200005][2], a[200005];
vector<int> g[200005];
void dfs(int x, int p) {
    if (p != -1 && g[x].size() == 1) {
        f[x][0] = f[x][1] = a[x];
        return;
    }
    int c = 0, d = g[x].size() - (p != -1);
    if (d > 1) d = 1;
    else d = 0;
    for (int w : g[x]) {
        if (w == p) continue;
        dfs(w, x);
        c += f[w][1];
        f[x][0] = max(f[x][0], f[w][0]);
        f[x][0] = max(f[x][0], f[w][1] + a[x]);
    }
    f[x][1] = max(a[x], c - a[x]);
    f[x][0] = max(f[x][0], c - a[x] * d);
    //cout << x << " " << f[x][1] << " " << f[x][0] << '\n';
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    for (int i = 1; i < n; i++) {
        int u, v;
        cin >> u >> v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    string s;
    cin >> s;
    s = " " + s;
    for (int i = 1; i <= n; i++) a[i] = (s[i] == '1');
    dfs(1, -1);
    cout << max(f[1][0], f[1][1]);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 3 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 4956 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 3 ms 4952 KB Output is correct
21 Correct 2 ms 4952 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 3 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 4956 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 3 ms 4952 KB Output is correct
21 Correct 2 ms 4952 KB Output is correct
22 Correct 3 ms 5212 KB Output is correct
23 Correct 3 ms 5212 KB Output is correct
24 Correct 3 ms 5212 KB Output is correct
25 Correct 2 ms 5196 KB Output is correct
26 Correct 3 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5212 KB Output is correct
29 Correct 3 ms 5212 KB Output is correct
30 Correct 2 ms 5208 KB Output is correct
31 Correct 3 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 3 ms 5212 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 3 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 3 ms 5212 KB Output is correct
41 Correct 2 ms 5340 KB Output is correct
42 Correct 3 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 3 ms 5212 KB Output is correct
46 Correct 3 ms 5208 KB Output is correct
47 Correct 2 ms 5212 KB Output is correct
48 Correct 2 ms 5212 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 3 ms 5212 KB Output is correct
52 Correct 2 ms 5208 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 3 ms 5212 KB Output is correct
55 Correct 3 ms 5208 KB Output is correct
56 Correct 2 ms 5212 KB Output is correct
57 Correct 3 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 2 ms 5260 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 2 ms 5212 KB Output is correct
62 Correct 3 ms 5212 KB Output is correct
63 Correct 3 ms 5208 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 3 ms 4956 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4952 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 4956 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 3 ms 4952 KB Output is correct
21 Correct 2 ms 4952 KB Output is correct
22 Correct 3 ms 5212 KB Output is correct
23 Correct 3 ms 5212 KB Output is correct
24 Correct 3 ms 5212 KB Output is correct
25 Correct 2 ms 5196 KB Output is correct
26 Correct 3 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5212 KB Output is correct
29 Correct 3 ms 5212 KB Output is correct
30 Correct 2 ms 5208 KB Output is correct
31 Correct 3 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 3 ms 5212 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 3 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 3 ms 5212 KB Output is correct
41 Correct 2 ms 5340 KB Output is correct
42 Correct 3 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 3 ms 5212 KB Output is correct
46 Correct 3 ms 5208 KB Output is correct
47 Correct 2 ms 5212 KB Output is correct
48 Correct 2 ms 5212 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 3 ms 5212 KB Output is correct
52 Correct 2 ms 5208 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 3 ms 5212 KB Output is correct
55 Correct 3 ms 5208 KB Output is correct
56 Correct 2 ms 5212 KB Output is correct
57 Correct 3 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 2 ms 5260 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 2 ms 5212 KB Output is correct
62 Correct 3 ms 5212 KB Output is correct
63 Correct 3 ms 5208 KB Output is correct
64 Correct 68 ms 14292 KB Output is correct
65 Correct 59 ms 16844 KB Output is correct
66 Correct 57 ms 16908 KB Output is correct
67 Correct 57 ms 16848 KB Output is correct
68 Correct 64 ms 16828 KB Output is correct
69 Correct 65 ms 16844 KB Output is correct
70 Correct 59 ms 16864 KB Output is correct
71 Correct 57 ms 16796 KB Output is correct
72 Correct 71 ms 16840 KB Output is correct
73 Correct 76 ms 31948 KB Output is correct
74 Correct 74 ms 31948 KB Output is correct
75 Correct 55 ms 16588 KB Output is correct
76 Correct 55 ms 16600 KB Output is correct
77 Correct 58 ms 16732 KB Output is correct
78 Correct 61 ms 16592 KB Output is correct
79 Correct 56 ms 16712 KB Output is correct
80 Correct 61 ms 16588 KB Output is correct
81 Correct 54 ms 17236 KB Output is correct
82 Correct 62 ms 16780 KB Output is correct
83 Correct 83 ms 22988 KB Output is correct
84 Correct 67 ms 25564 KB Output is correct
85 Correct 70 ms 25052 KB Output is correct
86 Correct 59 ms 18380 KB Output is correct
87 Correct 58 ms 17628 KB Output is correct
88 Correct 57 ms 18172 KB Output is correct
89 Correct 84 ms 18108 KB Output is correct
90 Correct 66 ms 17792 KB Output is correct
91 Correct 57 ms 18280 KB Output is correct
92 Correct 62 ms 18616 KB Output is correct
93 Correct 56 ms 21408 KB Output is correct
94 Correct 56 ms 23496 KB Output is correct
95 Correct 65 ms 21896 KB Output is correct
96 Correct 55 ms 19772 KB Output is correct
97 Correct 59 ms 17956 KB Output is correct
98 Correct 58 ms 17404 KB Output is correct
99 Correct 60 ms 17100 KB Output is correct
100 Correct 72 ms 20980 KB Output is correct
101 Correct 56 ms 18616 KB Output is correct
102 Correct 51 ms 17568 KB Output is correct
103 Correct 56 ms 17348 KB Output is correct
104 Correct 40 ms 17608 KB Output is correct
105 Correct 68 ms 28112 KB Output is correct
106 Correct 45 ms 17604 KB Output is correct
107 Correct 40 ms 17484 KB Output is correct
108 Correct 69 ms 32716 KB Output is correct
109 Correct 46 ms 17604 KB Output is correct
110 Correct 74 ms 33168 KB Output is correct
111 Correct 54 ms 16604 KB Output is correct