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Submission #473789

# Submission time Handle Problem Language Result Execution time Memory
473789 2021-09-16T08:57:47 Z Lain Power Plant (JOI20_power) C++17
100 / 100
 189 ms 26176 KB 
#include "bits/stdc++.h"
using namespace std;

template<class Fun>
class y_combinator_result {
  Fun fun_;
public:
  template<class T>
  explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}
 
  template<class ...Args>
  decltype(auto) operator()(Args &&...args) {
    return fun_(std::ref(*this), std::forward<Args>(args)...);
  }
};
 
template<class Fun>
decltype(auto) y_combinator(Fun &&fun) {
  return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}

int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  int n;
  cin >> n;
  vector<vector<int>> g(n);
  for (int i = 0; i < n-1; i++) {
    int u,v;
    cin >> u >> v;
    u--,v--;
    g[u].push_back(v);
    g[v].push_back(u);
  }
  string gen;
  cin >> gen;

  vector<int> dp(n);
  int ans = 0;
  y_combinator([&](auto self, int s, int p)->void {
    for (auto& u : g[s]){
      if (u==p) continue;
      self(u,s);
      dp[s] += dp[u];
      if (gen[s] == '1')
        ans = max(ans,dp[u] + 1);
    }
    if (gen[s] == '1')
      dp[s] = max(dp[s]-1,1);
    ans = max(dp[s],ans);
  })(0,-1);
  cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 460 KB Output is correct
45 Correct 1 ms 460 KB Output is correct
46 Correct 1 ms 460 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 2 ms 460 KB Output is correct
49 Correct 1 ms 460 KB Output is correct
50 Correct 1 ms 460 KB Output is correct
51 Correct 1 ms 460 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 460 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 460 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 460 KB Output is correct
61 Correct 1 ms 332 KB Output is correct
62 Correct 1 ms 460 KB Output is correct
63 Correct 1 ms 332 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 460 KB Output is correct
45 Correct 1 ms 460 KB Output is correct
46 Correct 1 ms 460 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 2 ms 460 KB Output is correct
49 Correct 1 ms 460 KB Output is correct
50 Correct 1 ms 460 KB Output is correct
51 Correct 1 ms 460 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 460 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 460 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 460 KB Output is correct
61 Correct 1 ms 332 KB Output is correct
62 Correct 1 ms 460 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 147 ms 12424 KB Output is correct
65 Correct 176 ms 12504 KB Output is correct
66 Correct 180 ms 12528 KB Output is correct
67 Correct 134 ms 12488 KB Output is correct
68 Correct 149 ms 12400 KB Output is correct
69 Correct 162 ms 12540 KB Output is correct
70 Correct 149 ms 12440 KB Output is correct
71 Correct 166 ms 12444 KB Output is correct
72 Correct 161 ms 12416 KB Output is correct
73 Correct 184 ms 25028 KB Output is correct
74 Correct 180 ms 24980 KB Output is correct
75 Correct 170 ms 12328 KB Output is correct
76 Correct 139 ms 12364 KB Output is correct
77 Correct 145 ms 12372 KB Output is correct
78 Correct 155 ms 12304 KB Output is correct
79 Correct 189 ms 12372 KB Output is correct
80 Correct 149 ms 12308 KB Output is correct
81 Correct 125 ms 12948 KB Output is correct
82 Correct 140 ms 12484 KB Output is correct
83 Correct 170 ms 17560 KB Output is correct
84 Correct 155 ms 19604 KB Output is correct
85 Correct 152 ms 19344 KB Output is correct
86 Correct 144 ms 13828 KB Output is correct
87 Correct 176 ms 13184 KB Output is correct
88 Correct 142 ms 13620 KB Output is correct
89 Correct 140 ms 13608 KB Output is correct
90 Correct 132 ms 13460 KB Output is correct
91 Correct 162 ms 13668 KB Output is correct
92 Correct 173 ms 14020 KB Output is correct
93 Correct 123 ms 16468 KB Output is correct
94 Correct 138 ms 18244 KB Output is correct
95 Correct 148 ms 16932 KB Output is correct
96 Correct 144 ms 15088 KB Output is correct
97 Correct 137 ms 13460 KB Output is correct
98 Correct 168 ms 13020 KB Output is correct
99 Correct 147 ms 12728 KB Output is correct
100 Correct 149 ms 15988 KB Output is correct
101 Correct 134 ms 13892 KB Output is correct
102 Correct 126 ms 13160 KB Output is correct
103 Correct 143 ms 13000 KB Output is correct
104 Correct 91 ms 13192 KB Output is correct
105 Correct 147 ms 21852 KB Output is correct
106 Correct 95 ms 13204 KB Output is correct
107 Correct 82 ms 13304 KB Output is correct
108 Correct 183 ms 25808 KB Output is correct
109 Correct 84 ms 13120 KB Output is correct
110 Correct 180 ms 26176 KB Output is correct
111 Correct 127 ms 12264 KB Output is correct