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Submission #617050

# Submission time Handle Problem Language Result Execution time Memory
617050 2022-08-01T08:24:17 Z Hanksburger Power Plant (JOI20_power) C++17
100 / 100
 175 ms 29312 KB 
#include <bits/stdc++.h>
using namespace std;
int dp[200005], ok[200005], n, ans;
vector<int> adj[200005];
void dfs(int u, int p)
{
    int sum=0, mx=0;
    for (int v:adj[u])
    {
        if (v==p)
            continue;
        dfs(v, u);
        sum+=dp[v];
        mx=max(mx, dp[v]);
    }
    ans=max(ans, dp[u]=max(ok[u], sum-ok[u]));
    if (ok[u])
        ans=max(ans, mx+1);
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n;
    for (int i=1; i<n; i++)
    {
        int u, v;
        cin >> u >> v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    for (int i=1; i<=n; i++)
    {
        char x;
        cin >> x;
        ok[i]=x-'0';
    }
    dfs(1, 1);
    cout << ans;
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 4 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4988 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 4 ms 4976 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 4 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4988 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 4 ms 4976 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 5 ms 5084 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5168 KB Output is correct
31 Correct 5 ms 5076 KB Output is correct
32 Correct 5 ms 5076 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 4 ms 5044 KB Output is correct
35 Correct 5 ms 5040 KB Output is correct
36 Correct 5 ms 5076 KB Output is correct
37 Correct 4 ms 5084 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 3 ms 5168 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 5 ms 5076 KB Output is correct
48 Correct 5 ms 5204 KB Output is correct
49 Correct 5 ms 5192 KB Output is correct
50 Correct 4 ms 5180 KB Output is correct
51 Correct 4 ms 5168 KB Output is correct
52 Correct 4 ms 5044 KB Output is correct
53 Correct 4 ms 5064 KB Output is correct
54 Correct 5 ms 5040 KB Output is correct
55 Correct 5 ms 5044 KB Output is correct
56 Correct 5 ms 5064 KB Output is correct
57 Correct 5 ms 5168 KB Output is correct
58 Correct 4 ms 5084 KB Output is correct
59 Correct 5 ms 5088 KB Output is correct
60 Correct 5 ms 5172 KB Output is correct
61 Correct 4 ms 5040 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 4 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4988 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 4 ms 4976 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 5 ms 5084 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5168 KB Output is correct
31 Correct 5 ms 5076 KB Output is correct
32 Correct 5 ms 5076 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 4 ms 5044 KB Output is correct
35 Correct 5 ms 5040 KB Output is correct
36 Correct 5 ms 5076 KB Output is correct
37 Correct 4 ms 5084 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 3 ms 5168 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 5 ms 5076 KB Output is correct
48 Correct 5 ms 5204 KB Output is correct
49 Correct 5 ms 5192 KB Output is correct
50 Correct 4 ms 5180 KB Output is correct
51 Correct 4 ms 5168 KB Output is correct
52 Correct 4 ms 5044 KB Output is correct
53 Correct 4 ms 5064 KB Output is correct
54 Correct 5 ms 5040 KB Output is correct
55 Correct 5 ms 5044 KB Output is correct
56 Correct 5 ms 5064 KB Output is correct
57 Correct 5 ms 5168 KB Output is correct
58 Correct 4 ms 5084 KB Output is correct
59 Correct 5 ms 5088 KB Output is correct
60 Correct 5 ms 5172 KB Output is correct
61 Correct 4 ms 5040 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 161 ms 15672 KB Output is correct
65 Correct 163 ms 15668 KB Output is correct
66 Correct 133 ms 15660 KB Output is correct
67 Correct 120 ms 15564 KB Output is correct
68 Correct 134 ms 15656 KB Output is correct
69 Correct 123 ms 15600 KB Output is correct
70 Correct 128 ms 15664 KB Output is correct
71 Correct 123 ms 15564 KB Output is correct
72 Correct 119 ms 15608 KB Output is correct
73 Correct 152 ms 28280 KB Output is correct
74 Correct 175 ms 28228 KB Output is correct
75 Correct 140 ms 15532 KB Output is correct
76 Correct 144 ms 15536 KB Output is correct
77 Correct 148 ms 15548 KB Output is correct
78 Correct 159 ms 15552 KB Output is correct
79 Correct 167 ms 15548 KB Output is correct
80 Correct 170 ms 15468 KB Output is correct
81 Correct 98 ms 15828 KB Output is correct
82 Correct 111 ms 15788 KB Output is correct
83 Correct 160 ms 20664 KB Output is correct
84 Correct 139 ms 22904 KB Output is correct
85 Correct 126 ms 22564 KB Output is correct
86 Correct 156 ms 17008 KB Output is correct
87 Correct 151 ms 16304 KB Output is correct
88 Correct 118 ms 16876 KB Output is correct
89 Correct 125 ms 16876 KB Output is correct
90 Correct 125 ms 16692 KB Output is correct
91 Correct 120 ms 17032 KB Output is correct
92 Correct 115 ms 17244 KB Output is correct
93 Correct 115 ms 19520 KB Output is correct
94 Correct 118 ms 21184 KB Output is correct
95 Correct 127 ms 19976 KB Output is correct
96 Correct 130 ms 18244 KB Output is correct
97 Correct 114 ms 16704 KB Output is correct
98 Correct 111 ms 16204 KB Output is correct
99 Correct 149 ms 16004 KB Output is correct
100 Correct 122 ms 19120 KB Output is correct
101 Correct 108 ms 17088 KB Output is correct
102 Correct 105 ms 16320 KB Output is correct
103 Correct 124 ms 16232 KB Output is correct
104 Correct 69 ms 16524 KB Output is correct
105 Correct 131 ms 25048 KB Output is correct
106 Correct 78 ms 16160 KB Output is correct
107 Correct 65 ms 16188 KB Output is correct
108 Correct 154 ms 29020 KB Output is correct
109 Correct 70 ms 16404 KB Output is correct
110 Correct 127 ms 29312 KB Output is correct
111 Correct 98 ms 15512 KB Output is correct