Submission #763616

# Submission time Handle Problem Language Result Execution time Memory
763616 2023-06-22T14:12:58 Z ind1v Power Plant (JOI20_power) C++11
100 / 100
118 ms 29624 KB
#include <bits/stdc++.h>

using namespace std;

const int N = 200005;

int n;
vector<int> g[N];
string s;
int dp[N], ans[N];

void dfs(int u, int p) {
  dp[u] = -(s[u] - '0');
  int mx = 0;
  for (auto &v : g[u]) {
    if (v != p) {
      dfs(v, u);
      dp[u] += dp[v];
      ans[u] = max(ans[u], dp[v] + (s[u] - '0'));
    }
  }
  dp[u] = max(dp[u], (s[u] - '0'));
  ans[u] = max(ans[u], dp[u]);
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> n;
  for (int i = 1; i <= n - 1; i++) {
    int a, b;
    cin >> a >> b;
    g[a].emplace_back(b);
    g[b].emplace_back(a);
  }
  cin >> s;
  s = '#' + s;
  dfs(1, 1);
  cout << *max_element(ans + 1, ans + n + 1);
  return 0;
}

Compilation message

power.cpp: In function 'void dfs(int, int)':
power.cpp:14:7: warning: unused variable 'mx' [-Wunused-variable]
   14 |   int mx = 0;
      |       ^~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5020 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 5024 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5020 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 5024 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5036 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5132 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5168 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5160 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5080 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 4 ms 5168 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5040 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5032 KB Output is correct
47 Correct 3 ms 5148 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5164 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5036 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5032 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5256 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5040 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5164 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5020 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 5024 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5036 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5132 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5168 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5160 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5080 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 4 ms 5168 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5040 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5032 KB Output is correct
47 Correct 3 ms 5148 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5164 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5036 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5032 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5256 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5040 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5164 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 72 ms 15916 KB Output is correct
65 Correct 71 ms 15920 KB Output is correct
66 Correct 90 ms 15952 KB Output is correct
67 Correct 81 ms 15924 KB Output is correct
68 Correct 93 ms 15956 KB Output is correct
69 Correct 71 ms 15924 KB Output is correct
70 Correct 71 ms 15892 KB Output is correct
71 Correct 70 ms 15928 KB Output is correct
72 Correct 78 ms 15884 KB Output is correct
73 Correct 106 ms 28504 KB Output is correct
74 Correct 105 ms 28440 KB Output is correct
75 Correct 70 ms 15796 KB Output is correct
76 Correct 79 ms 15836 KB Output is correct
77 Correct 111 ms 15800 KB Output is correct
78 Correct 70 ms 15816 KB Output is correct
79 Correct 93 ms 15848 KB Output is correct
80 Correct 78 ms 15764 KB Output is correct
81 Correct 61 ms 16196 KB Output is correct
82 Correct 76 ms 15996 KB Output is correct
83 Correct 84 ms 21068 KB Output is correct
84 Correct 86 ms 23168 KB Output is correct
85 Correct 99 ms 22892 KB Output is correct
86 Correct 74 ms 17216 KB Output is correct
87 Correct 80 ms 16748 KB Output is correct
88 Correct 72 ms 17120 KB Output is correct
89 Correct 86 ms 17160 KB Output is correct
90 Correct 73 ms 16976 KB Output is correct
91 Correct 78 ms 17224 KB Output is correct
92 Correct 78 ms 17484 KB Output is correct
93 Correct 85 ms 19824 KB Output is correct
94 Correct 97 ms 21704 KB Output is correct
95 Correct 84 ms 20252 KB Output is correct
96 Correct 67 ms 18508 KB Output is correct
97 Correct 77 ms 16952 KB Output is correct
98 Correct 84 ms 16432 KB Output is correct
99 Correct 69 ms 16272 KB Output is correct
100 Correct 72 ms 19444 KB Output is correct
101 Correct 70 ms 17388 KB Output is correct
102 Correct 68 ms 16696 KB Output is correct
103 Correct 98 ms 16644 KB Output is correct
104 Correct 46 ms 16832 KB Output is correct
105 Correct 118 ms 25352 KB Output is correct
106 Correct 46 ms 16704 KB Output is correct
107 Correct 45 ms 16688 KB Output is correct
108 Correct 111 ms 29352 KB Output is correct
109 Correct 48 ms 16812 KB Output is correct
110 Correct 95 ms 29624 KB Output is correct
111 Correct 87 ms 15756 KB Output is correct