oj.uz

Submission #306755

# Submission time Handle Problem Language Result Execution time Memory
306755 2020-09-26T08:44:08 Z MrDomino Power Plant (JOI20_power) C++14
47 / 100
 1500 ms 16068 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = (int) 2e5 + 7;
int n;
vector<int> g[N];
int v[N];
int dp[N];
int sol;

void dfs(int a, int p)
{
    for (auto &b : g[a])
    {
        if (b != p)
        {
            dfs(b, a);
        }
    }
    dp[a] = -v[a];
    for (auto &b : g[a])
    {
        if (b != p)
        {
            dp[a] += dp[b];
        }
    }
    dp[a] = max(dp[a], v[a]);
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    cin >> n;
    for (int i = 1; i < n; i++)
    {
        int x, y;
        cin >> x >> y;
        g[x].push_back(y);
        g[y].push_back(x);
    }
    string s;
    cin >> s;
    for (int i = 1; i <= n; i++)
    {
        if (s[i - 1] == '1')
        {
            v[i] = 1;
            sol++;
        }
    }
    sol = min(sol, 2);
    for (int i = 1; i <= n; i++)
    {
        dfs(i, -1);
        sol = max(sol, dp[i]);
    }
    cout << sol << "\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 5 ms 5096 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 5 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 5120 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 5 ms 5096 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 5 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 5120 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 90 ms 5192 KB Output is correct
23 Correct 90 ms 5120 KB Output is correct
24 Correct 90 ms 5120 KB Output is correct
25 Correct 95 ms 5240 KB Output is correct
26 Correct 93 ms 5240 KB Output is correct
27 Correct 92 ms 5240 KB Output is correct
28 Correct 92 ms 5120 KB Output is correct
29 Correct 105 ms 5248 KB Output is correct
30 Correct 104 ms 5368 KB Output is correct
31 Correct 76 ms 5120 KB Output is correct
32 Correct 73 ms 5120 KB Output is correct
33 Correct 84 ms 5120 KB Output is correct
34 Correct 87 ms 5120 KB Output is correct
35 Correct 86 ms 5240 KB Output is correct
36 Correct 86 ms 5120 KB Output is correct
37 Correct 69 ms 5120 KB Output is correct
38 Correct 81 ms 5240 KB Output is correct
39 Correct 105 ms 5368 KB Output is correct
40 Correct 104 ms 5248 KB Output is correct
41 Correct 99 ms 5248 KB Output is correct
42 Correct 99 ms 5368 KB Output is correct
43 Correct 97 ms 5240 KB Output is correct
44 Correct 76 ms 5368 KB Output is correct
45 Correct 74 ms 5120 KB Output is correct
46 Correct 77 ms 5248 KB Output is correct
47 Correct 77 ms 5120 KB Output is correct
48 Correct 74 ms 5376 KB Output is correct
49 Correct 74 ms 5268 KB Output is correct
50 Correct 73 ms 5248 KB Output is correct
51 Correct 75 ms 5120 KB Output is correct
52 Correct 80 ms 5120 KB Output is correct
53 Correct 76 ms 5240 KB Output is correct
54 Correct 74 ms 5120 KB Output is correct
55 Correct 81 ms 5120 KB Output is correct
56 Correct 42 ms 5192 KB Output is correct
57 Correct 104 ms 5248 KB Output is correct
58 Correct 42 ms 5240 KB Output is correct
59 Correct 40 ms 5120 KB Output is correct
60 Correct 102 ms 5248 KB Output is correct
61 Correct 42 ms 5248 KB Output is correct
62 Correct 103 ms 5248 KB Output is correct
63 Correct 68 ms 5120 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 5 ms 5096 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 5 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 5120 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 90 ms 5192 KB Output is correct
23 Correct 90 ms 5120 KB Output is correct
24 Correct 90 ms 5120 KB Output is correct
25 Correct 95 ms 5240 KB Output is correct
26 Correct 93 ms 5240 KB Output is correct
27 Correct 92 ms 5240 KB Output is correct
28 Correct 92 ms 5120 KB Output is correct
29 Correct 105 ms 5248 KB Output is correct
30 Correct 104 ms 5368 KB Output is correct
31 Correct 76 ms 5120 KB Output is correct
32 Correct 73 ms 5120 KB Output is correct
33 Correct 84 ms 5120 KB Output is correct
34 Correct 87 ms 5120 KB Output is correct
35 Correct 86 ms 5240 KB Output is correct
36 Correct 86 ms 5120 KB Output is correct
37 Correct 69 ms 5120 KB Output is correct
38 Correct 81 ms 5240 KB Output is correct
39 Correct 105 ms 5368 KB Output is correct
40 Correct 104 ms 5248 KB Output is correct
41 Correct 99 ms 5248 KB Output is correct
42 Correct 99 ms 5368 KB Output is correct
43 Correct 97 ms 5240 KB Output is correct
44 Correct 76 ms 5368 KB Output is correct
45 Correct 74 ms 5120 KB Output is correct
46 Correct 77 ms 5248 KB Output is correct
47 Correct 77 ms 5120 KB Output is correct
48 Correct 74 ms 5376 KB Output is correct
49 Correct 74 ms 5268 KB Output is correct
50 Correct 73 ms 5248 KB Output is correct
51 Correct 75 ms 5120 KB Output is correct
52 Correct 80 ms 5120 KB Output is correct
53 Correct 76 ms 5240 KB Output is correct
54 Correct 74 ms 5120 KB Output is correct
55 Correct 81 ms 5120 KB Output is correct
56 Correct 42 ms 5192 KB Output is correct
57 Correct 104 ms 5248 KB Output is correct
58 Correct 42 ms 5240 KB Output is correct
59 Correct 40 ms 5120 KB Output is correct
60 Correct 102 ms 5248 KB Output is correct
61 Correct 42 ms 5248 KB Output is correct
62 Correct 103 ms 5248 KB Output is correct
63 Correct 68 ms 5120 KB Output is correct
64 Execution timed out 1587 ms 16068 KB Time limit exceeded
65 Halted 0 ms 0 KB -