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Submission #349008

# Submission time Handle Problem Language Result Execution time Memory
349008 2021-01-16T10:19:47 Z apostoldaniel854 Power Plant (JOI20_power) C++14
100 / 100
 228 ms 31696 KB 
#include <bits/stdc++.h>

using namespace std;

#define pb push_back

const int MAX_N = 2e5;
int dp[1 + MAX_N];
vector <int> gr[1 + MAX_N];

int dfs_calc (int node, int par, string &gen) {
    int mx = 0;
    int is_gen = gen[node] - '0';
    int ans = 0;
    for (int son : gr[node])
        if (son != par) {
            ans = max (ans, dfs_calc (son, node, gen));
            dp[node] += dp[son];
            mx = max (mx, dp[son]);
        }
    dp[node] = max (is_gen, dp[node] - is_gen);
    ans = max ({ans, mx + is_gen, dp[node]});
    return ans;
}

int main() {
    ios::sync_with_stdio (false);
    cin.tie (0); cout.tie (0);
    int n;
    cin >> n;
    for (int i = 1; i < n; i++) {
        int x, y;
        cin >> x >> y;
        gr[x].pb (y);
        gr[y].pb (x);
    }
    string generators;
    cin >> generators; generators = " " + generators;
    cout << dfs_calc (1, 0, generators) << "\n";
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4972 KB Output is correct
2 Correct 4 ms 4972 KB Output is correct
3 Correct 4 ms 4972 KB Output is correct
4 Correct 4 ms 4972 KB Output is correct
5 Correct 4 ms 4972 KB Output is correct
6 Correct 4 ms 4972 KB Output is correct
7 Correct 4 ms 4972 KB Output is correct
8 Correct 4 ms 4972 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 4 ms 4972 KB Output is correct
12 Correct 4 ms 4972 KB Output is correct
13 Correct 4 ms 4972 KB Output is correct
14 Correct 4 ms 4972 KB Output is correct
15 Correct 4 ms 4972 KB Output is correct
16 Correct 4 ms 4972 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 4 ms 4972 KB Output is correct
19 Correct 4 ms 4972 KB Output is correct
20 Correct 4 ms 4972 KB Output is correct
21 Correct 3 ms 4972 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4972 KB Output is correct
2 Correct 4 ms 4972 KB Output is correct
3 Correct 4 ms 4972 KB Output is correct
4 Correct 4 ms 4972 KB Output is correct
5 Correct 4 ms 4972 KB Output is correct
6 Correct 4 ms 4972 KB Output is correct
7 Correct 4 ms 4972 KB Output is correct
8 Correct 4 ms 4972 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 4 ms 4972 KB Output is correct
12 Correct 4 ms 4972 KB Output is correct
13 Correct 4 ms 4972 KB Output is correct
14 Correct 4 ms 4972 KB Output is correct
15 Correct 4 ms 4972 KB Output is correct
16 Correct 4 ms 4972 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 4 ms 4972 KB Output is correct
19 Correct 4 ms 4972 KB Output is correct
20 Correct 4 ms 4972 KB Output is correct
21 Correct 3 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 4 ms 5100 KB Output is correct
25 Correct 4 ms 5100 KB Output is correct
26 Correct 4 ms 5100 KB Output is correct
27 Correct 4 ms 5100 KB Output is correct
28 Correct 5 ms 5100 KB Output is correct
29 Correct 5 ms 5228 KB Output is correct
30 Correct 5 ms 5228 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 6 ms 5100 KB Output is correct
35 Correct 4 ms 5100 KB Output is correct
36 Correct 4 ms 5100 KB Output is correct
37 Correct 4 ms 5100 KB Output is correct
38 Correct 4 ms 5228 KB Output is correct
39 Correct 4 ms 5228 KB Output is correct
40 Correct 4 ms 5228 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 5228 KB Output is correct
45 Correct 4 ms 5228 KB Output is correct
46 Correct 6 ms 5100 KB Output is correct
47 Correct 4 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 5228 KB Output is correct
52 Correct 4 ms 5100 KB Output is correct
53 Correct 4 ms 5228 KB Output is correct
54 Correct 4 ms 5228 KB Output is correct
55 Correct 4 ms 5100 KB Output is correct
56 Correct 4 ms 5100 KB Output is correct
57 Correct 4 ms 5356 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 6 ms 5100 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4972 KB Output is correct
2 Correct 4 ms 4972 KB Output is correct
3 Correct 4 ms 4972 KB Output is correct
4 Correct 4 ms 4972 KB Output is correct
5 Correct 4 ms 4972 KB Output is correct
6 Correct 4 ms 4972 KB Output is correct
7 Correct 4 ms 4972 KB Output is correct
8 Correct 4 ms 4972 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 4 ms 4972 KB Output is correct
11 Correct 4 ms 4972 KB Output is correct
12 Correct 4 ms 4972 KB Output is correct
13 Correct 4 ms 4972 KB Output is correct
14 Correct 4 ms 4972 KB Output is correct
15 Correct 4 ms 4972 KB Output is correct
16 Correct 4 ms 4972 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 4 ms 4972 KB Output is correct
19 Correct 4 ms 4972 KB Output is correct
20 Correct 4 ms 4972 KB Output is correct
21 Correct 3 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 4 ms 5100 KB Output is correct
25 Correct 4 ms 5100 KB Output is correct
26 Correct 4 ms 5100 KB Output is correct
27 Correct 4 ms 5100 KB Output is correct
28 Correct 5 ms 5100 KB Output is correct
29 Correct 5 ms 5228 KB Output is correct
30 Correct 5 ms 5228 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 6 ms 5100 KB Output is correct
35 Correct 4 ms 5100 KB Output is correct
36 Correct 4 ms 5100 KB Output is correct
37 Correct 4 ms 5100 KB Output is correct
38 Correct 4 ms 5228 KB Output is correct
39 Correct 4 ms 5228 KB Output is correct
40 Correct 4 ms 5228 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 5228 KB Output is correct
45 Correct 4 ms 5228 KB Output is correct
46 Correct 6 ms 5100 KB Output is correct
47 Correct 4 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 5228 KB Output is correct
52 Correct 4 ms 5100 KB Output is correct
53 Correct 4 ms 5228 KB Output is correct
54 Correct 4 ms 5228 KB Output is correct
55 Correct 4 ms 5100 KB Output is correct
56 Correct 4 ms 5100 KB Output is correct
57 Correct 4 ms 5356 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 6 ms 5100 KB Output is correct
64 Correct 163 ms 15212 KB Output is correct
65 Correct 172 ms 15336 KB Output is correct
66 Correct 186 ms 15188 KB Output is correct
67 Correct 209 ms 15208 KB Output is correct
68 Correct 215 ms 15336 KB Output is correct
69 Correct 186 ms 15204 KB Output is correct
70 Correct 187 ms 15244 KB Output is correct
71 Correct 194 ms 15220 KB Output is correct
72 Correct 171 ms 15204 KB Output is correct
73 Correct 199 ms 30472 KB Output is correct
74 Correct 196 ms 30312 KB Output is correct
75 Correct 175 ms 15140 KB Output is correct
76 Correct 183 ms 15084 KB Output is correct
77 Correct 194 ms 15204 KB Output is correct
78 Correct 193 ms 15204 KB Output is correct
79 Correct 228 ms 15084 KB Output is correct
80 Correct 184 ms 15076 KB Output is correct
81 Correct 133 ms 15588 KB Output is correct
82 Correct 153 ms 15272 KB Output is correct
83 Correct 185 ms 21356 KB Output is correct
84 Correct 181 ms 23924 KB Output is correct
85 Correct 175 ms 23796 KB Output is correct
86 Correct 166 ms 16872 KB Output is correct
87 Correct 179 ms 16100 KB Output is correct
88 Correct 154 ms 16548 KB Output is correct
89 Correct 151 ms 16628 KB Output is correct
90 Correct 167 ms 16328 KB Output is correct
91 Correct 162 ms 16708 KB Output is correct
92 Correct 158 ms 17108 KB Output is correct
93 Correct 154 ms 19896 KB Output is correct
94 Correct 145 ms 22116 KB Output is correct
95 Correct 153 ms 20384 KB Output is correct
96 Correct 154 ms 18260 KB Output is correct
97 Correct 153 ms 16464 KB Output is correct
98 Correct 150 ms 15864 KB Output is correct
99 Correct 159 ms 15748 KB Output is correct
100 Correct 154 ms 19540 KB Output is correct
101 Correct 160 ms 16996 KB Output is correct
102 Correct 149 ms 16152 KB Output is correct
103 Correct 155 ms 15880 KB Output is correct
104 Correct 95 ms 16096 KB Output is correct
105 Correct 184 ms 26600 KB Output is correct
106 Correct 99 ms 16228 KB Output is correct
107 Correct 93 ms 15968 KB Output is correct
108 Correct 195 ms 31460 KB Output is correct
109 Correct 101 ms 16096 KB Output is correct
110 Correct 198 ms 31696 KB Output is correct
111 Correct 157 ms 15092 KB Output is correct