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Submission #347392

# Submission time Handle Problem Language Result Execution time Memory
347392 2021-01-12T19:45:54 Z dolphingarlic Power Plant (JOI20_power) C++14
100 / 100
 190 ms 28972 KB 
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

string s;
vector<int> graph[200001];
int dp[200001], ans = 1;

void dfs(int node = 1, int parent = 0) {
    int mx = 0;
    for (int i : graph[node]) if (i != parent) {
        dfs(i, node);
        dp[node] += dp[i];
        mx = max(mx, dp[i]);
    }
    dp[node] = max(s[node - 1] - '0', dp[node] - s[node - 1] + '0');
    ans = max(ans, max(mx + s[node - 1] - '0', dp[node]));
}

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    for (int i = 1; i < n; i++) {
        int a, b;
        cin >> a >> b;
        graph[a].push_back(b);
        graph[b].push_back(a);
    }
    cin >> s;
    dfs();
    cout << ans << '\n';
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 3 ms 4972 KB Output is correct
3 Correct 3 ms 4972 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4972 KB Output is correct
6 Correct 4 ms 4972 KB Output is correct
7 Correct 3 ms 4972 KB Output is correct
8 Correct 3 ms 4972 KB Output is correct
9 Correct 4 ms 4972 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 4 ms 4972 KB Output is correct
12 Correct 3 ms 4972 KB Output is correct
13 Correct 3 ms 4972 KB Output is correct
14 Correct 4 ms 4972 KB Output is correct
15 Correct 3 ms 4972 KB Output is correct
16 Correct 3 ms 4972 KB Output is correct
17 Correct 3 ms 4972 KB Output is correct
18 Correct 3 ms 4972 KB Output is correct
19 Correct 3 ms 4972 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
21 Correct 4 ms 4972 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 3 ms 4972 KB Output is correct
3 Correct 3 ms 4972 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4972 KB Output is correct
6 Correct 4 ms 4972 KB Output is correct
7 Correct 3 ms 4972 KB Output is correct
8 Correct 3 ms 4972 KB Output is correct
9 Correct 4 ms 4972 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 4 ms 4972 KB Output is correct
12 Correct 3 ms 4972 KB Output is correct
13 Correct 3 ms 4972 KB Output is correct
14 Correct 4 ms 4972 KB Output is correct
15 Correct 3 ms 4972 KB Output is correct
16 Correct 3 ms 4972 KB Output is correct
17 Correct 3 ms 4972 KB Output is correct
18 Correct 3 ms 4972 KB Output is correct
19 Correct 3 ms 4972 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
21 Correct 4 ms 4972 KB Output is correct
22 Correct 4 ms 5100 KB Output is correct
23 Correct 4 ms 5100 KB Output is correct
24 Correct 5 ms 5100 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 5100 KB Output is correct
27 Correct 4 ms 5100 KB Output is correct
28 Correct 4 ms 5100 KB Output is correct
29 Correct 4 ms 5228 KB Output is correct
30 Correct 4 ms 5356 KB Output is correct
31 Correct 4 ms 5100 KB Output is correct
32 Correct 4 ms 5100 KB Output is correct
33 Correct 4 ms 5100 KB Output is correct
34 Correct 5 ms 5100 KB Output is correct
35 Correct 4 ms 5100 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5100 KB Output is correct
38 Correct 4 ms 5100 KB Output is correct
39 Correct 4 ms 5228 KB Output is correct
40 Correct 4 ms 5100 KB Output is correct
41 Correct 4 ms 5228 KB Output is correct
42 Correct 4 ms 5100 KB Output is correct
43 Correct 4 ms 5100 KB Output is correct
44 Correct 4 ms 5100 KB Output is correct
45 Correct 4 ms 5100 KB Output is correct
46 Correct 4 ms 5100 KB Output is correct
47 Correct 5 ms 5100 KB Output is correct
48 Correct 4 ms 5228 KB Output is correct
49 Correct 4 ms 5228 KB Output is correct
50 Correct 4 ms 5228 KB Output is correct
51 Correct 4 ms 5100 KB Output is correct
52 Correct 4 ms 5100 KB Output is correct
53 Correct 4 ms 5100 KB Output is correct
54 Correct 4 ms 5100 KB Output is correct
55 Correct 4 ms 5100 KB Output is correct
56 Correct 4 ms 5100 KB Output is correct
57 Correct 5 ms 5228 KB Output is correct
58 Correct 4 ms 5100 KB Output is correct
59 Correct 4 ms 5100 KB Output is correct
60 Correct 4 ms 5228 KB Output is correct
61 Correct 4 ms 5100 KB Output is correct
62 Correct 4 ms 5228 KB Output is correct
63 Correct 4 ms 5100 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4972 KB Output is correct
2 Correct 3 ms 4972 KB Output is correct
3 Correct 3 ms 4972 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4972 KB Output is correct
6 Correct 4 ms 4972 KB Output is correct
7 Correct 3 ms 4972 KB Output is correct
8 Correct 3 ms 4972 KB Output is correct
9 Correct 4 ms 4972 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 4 ms 4972 KB Output is correct
12 Correct 3 ms 4972 KB Output is correct
13 Correct 3 ms 4972 KB Output is correct
14 Correct 4 ms 4972 KB Output is correct
15 Correct 3 ms 4972 KB Output is correct
16 Correct 3 ms 4972 KB Output is correct
17 Correct 3 ms 4972 KB Output is correct
18 Correct 3 ms 4972 KB Output is correct
19 Correct 3 ms 4972 KB Output is correct
20 Correct 3 ms 4972 KB Output is correct
21 Correct 4 ms 4972 KB Output is correct
22 Correct 4 ms 5100 KB Output is correct
23 Correct 4 ms 5100 KB Output is correct
24 Correct 5 ms 5100 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 5100 KB Output is correct
27 Correct 4 ms 5100 KB Output is correct
28 Correct 4 ms 5100 KB Output is correct
29 Correct 4 ms 5228 KB Output is correct
30 Correct 4 ms 5356 KB Output is correct
31 Correct 4 ms 5100 KB Output is correct
32 Correct 4 ms 5100 KB Output is correct
33 Correct 4 ms 5100 KB Output is correct
34 Correct 5 ms 5100 KB Output is correct
35 Correct 4 ms 5100 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5100 KB Output is correct
38 Correct 4 ms 5100 KB Output is correct
39 Correct 4 ms 5228 KB Output is correct
40 Correct 4 ms 5100 KB Output is correct
41 Correct 4 ms 5228 KB Output is correct
42 Correct 4 ms 5100 KB Output is correct
43 Correct 4 ms 5100 KB Output is correct
44 Correct 4 ms 5100 KB Output is correct
45 Correct 4 ms 5100 KB Output is correct
46 Correct 4 ms 5100 KB Output is correct
47 Correct 5 ms 5100 KB Output is correct
48 Correct 4 ms 5228 KB Output is correct
49 Correct 4 ms 5228 KB Output is correct
50 Correct 4 ms 5228 KB Output is correct
51 Correct 4 ms 5100 KB Output is correct
52 Correct 4 ms 5100 KB Output is correct
53 Correct 4 ms 5100 KB Output is correct
54 Correct 4 ms 5100 KB Output is correct
55 Correct 4 ms 5100 KB Output is correct
56 Correct 4 ms 5100 KB Output is correct
57 Correct 5 ms 5228 KB Output is correct
58 Correct 4 ms 5100 KB Output is correct
59 Correct 4 ms 5100 KB Output is correct
60 Correct 4 ms 5228 KB Output is correct
61 Correct 4 ms 5100 KB Output is correct
62 Correct 4 ms 5228 KB Output is correct
63 Correct 4 ms 5100 KB Output is correct
64 Correct 170 ms 15248 KB Output is correct
65 Correct 163 ms 15276 KB Output is correct
66 Correct 158 ms 15256 KB Output is correct
67 Correct 160 ms 15228 KB Output is correct
68 Correct 155 ms 15256 KB Output is correct
69 Correct 166 ms 15400 KB Output is correct
70 Correct 159 ms 15292 KB Output is correct
71 Correct 169 ms 15416 KB Output is correct
72 Correct 167 ms 15272 KB Output is correct
73 Correct 188 ms 27948 KB Output is correct
74 Correct 190 ms 27820 KB Output is correct
75 Correct 156 ms 15144 KB Output is correct
76 Correct 156 ms 15140 KB Output is correct
77 Correct 167 ms 15204 KB Output is correct
78 Correct 163 ms 15144 KB Output is correct
79 Correct 190 ms 15188 KB Output is correct
80 Correct 168 ms 15144 KB Output is correct
81 Correct 162 ms 15716 KB Output is correct
82 Correct 163 ms 15340 KB Output is correct
83 Correct 187 ms 20272 KB Output is correct
84 Correct 175 ms 22584 KB Output is correct
85 Correct 173 ms 22200 KB Output is correct
86 Correct 170 ms 16556 KB Output is correct
87 Correct 169 ms 16040 KB Output is correct
88 Correct 152 ms 16488 KB Output is correct
89 Correct 149 ms 16440 KB Output is correct
90 Correct 162 ms 16268 KB Output is correct
91 Correct 171 ms 16656 KB Output is correct
92 Correct 151 ms 16960 KB Output is correct
93 Correct 149 ms 19196 KB Output is correct
94 Correct 159 ms 20964 KB Output is correct
95 Correct 152 ms 19556 KB Output is correct
96 Correct 155 ms 17944 KB Output is correct
97 Correct 152 ms 16260 KB Output is correct
98 Correct 157 ms 15792 KB Output is correct
99 Correct 166 ms 15716 KB Output is correct
100 Correct 152 ms 18840 KB Output is correct
101 Correct 155 ms 16808 KB Output is correct
102 Correct 145 ms 16068 KB Output is correct
103 Correct 159 ms 15820 KB Output is correct
104 Correct 106 ms 16096 KB Output is correct
105 Correct 189 ms 24620 KB Output is correct
106 Correct 106 ms 16100 KB Output is correct
107 Correct 106 ms 16096 KB Output is correct
108 Correct 177 ms 28588 KB Output is correct
109 Correct 107 ms 16096 KB Output is correct
110 Correct 179 ms 28972 KB Output is correct
111 Correct 151 ms 15160 KB Output is correct