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Submission #595342

# Submission time Handle Problem Language Result Execution time Memory
595342 2022-07-13T16:17:39 Z elkernos Power Plant (JOI20_power) C++17
100 / 100
 179 ms 31552 KB 
#include <bits/stdc++.h>

using namespace std;

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    vector<vector<int>> g(n + 1);
    for(int i = 1; i < n; i++) {
        int a, b;
        cin >> a >> b;
        g[a].emplace_back(b);
        g[b].emplace_back(a);
    }
    string s;
    cin >> s;
    s = "#" + s;
    vector<int> dp(n + 1);
    int ans = 0;
    function<void(int, int)> dfs = [&](int u, int p) {
        int sum = 0;
        for(int to : g[u]) {
            if(to == p) {
                continue;
            }
            dfs(to, u);
            sum += dp[to];
            if(s[u] == '1') {
                ans = max(ans, dp[to] + 1);
            }
        }
        dp[u] = sum;
        if(s[u] == '1') {
            dp[u]--;
            dp[u] = max(dp[u], 1);
        }
        ans = max(ans, dp[u]);
    };
    dfs(1, 1);
    cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 428 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 452 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 428 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 460 KB Output is correct
47 Correct 1 ms 428 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 432 KB Output is correct
54 Correct 1 ms 428 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 1 ms 424 KB Output is correct
57 Correct 1 ms 596 KB Output is correct
58 Correct 1 ms 468 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 468 KB Output is correct
61 Correct 1 ms 404 KB Output is correct
62 Correct 1 ms 596 KB Output is correct
63 Correct 1 ms 340 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 428 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 452 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 428 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 460 KB Output is correct
47 Correct 1 ms 428 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 432 KB Output is correct
54 Correct 1 ms 428 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 1 ms 424 KB Output is correct
57 Correct 1 ms 596 KB Output is correct
58 Correct 1 ms 468 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 468 KB Output is correct
61 Correct 1 ms 404 KB Output is correct
62 Correct 1 ms 596 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 127 ms 15124 KB Output is correct
65 Correct 138 ms 15208 KB Output is correct
66 Correct 115 ms 15268 KB Output is correct
67 Correct 122 ms 15156 KB Output is correct
68 Correct 111 ms 15188 KB Output is correct
69 Correct 169 ms 15172 KB Output is correct
70 Correct 117 ms 15192 KB Output is correct
71 Correct 119 ms 15200 KB Output is correct
72 Correct 115 ms 15220 KB Output is correct
73 Correct 128 ms 30408 KB Output is correct
74 Correct 151 ms 30300 KB Output is correct
75 Correct 137 ms 15068 KB Output is correct
76 Correct 113 ms 15020 KB Output is correct
77 Correct 123 ms 15116 KB Output is correct
78 Correct 124 ms 15000 KB Output is correct
79 Correct 179 ms 15052 KB Output is correct
80 Correct 118 ms 14968 KB Output is correct
81 Correct 93 ms 15420 KB Output is correct
82 Correct 111 ms 15272 KB Output is correct
83 Correct 150 ms 21232 KB Output is correct
84 Correct 176 ms 23896 KB Output is correct
85 Correct 120 ms 23524 KB Output is correct
86 Correct 121 ms 16728 KB Output is correct
87 Correct 151 ms 16068 KB Output is correct
88 Correct 124 ms 16472 KB Output is correct
89 Correct 108 ms 16576 KB Output is correct
90 Correct 124 ms 16228 KB Output is correct
91 Correct 132 ms 16500 KB Output is correct
92 Correct 140 ms 16972 KB Output is correct
93 Correct 101 ms 19832 KB Output is correct
94 Correct 106 ms 21976 KB Output is correct
95 Correct 120 ms 20384 KB Output is correct
96 Correct 124 ms 18240 KB Output is correct
97 Correct 103 ms 16288 KB Output is correct
98 Correct 104 ms 15736 KB Output is correct
99 Correct 115 ms 15552 KB Output is correct
100 Correct 116 ms 19364 KB Output is correct
101 Correct 137 ms 16856 KB Output is correct
102 Correct 115 ms 16032 KB Output is correct
103 Correct 111 ms 15776 KB Output is correct
104 Correct 82 ms 16084 KB Output is correct
105 Correct 172 ms 26432 KB Output is correct
106 Correct 61 ms 15904 KB Output is correct
107 Correct 66 ms 15928 KB Output is correct
108 Correct 137 ms 31256 KB Output is correct
109 Correct 76 ms 15992 KB Output is correct
110 Correct 127 ms 31552 KB Output is correct
111 Correct 109 ms 15100 KB Output is correct