oj.uz

Submission #296158

# Submission time Handle Problem Language Result Execution time Memory
296158 2020-09-10T11:02:48 Z quocnguyen1012 Power Plant (JOI20_power) C++14
100 / 100
 189 ms 31608 KB 
#include <bits/stdc++.h>

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define ar array

using namespace std;
typedef long long ll;
typedef pair<int, int> ii;

const int maxn = 2e5 + 5;

int N, f[maxn];
vector<int> adj[maxn];
bool mark[maxn];

signed main(void)
{
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  #ifdef LOCAL
    freopen("A.INP", "r", stdin);
    freopen("A.OUT", "w", stdout);
  #endif // LOCAL
  cin >> N;
  for (int i = 1; i < N; ++i){
    int u, v; cin >> u >> v;
    adj[u].eb(v); adj[v].eb(u);
  }
  for (int i = 1; i <= N; ++i){
    char c; cin >> c;
    c -= '0'; mark[i] = c;
  }
  int res = 0;
  function<void(int, int)> dfs = [&](int u, int par)
  {
    int mx = 0;
    for (int v : adj[u]){
      if (v != par){
        dfs(v, u);
        f[u] += f[v];
        mx = max(mx, f[v] + 1);
      }
    }
    if(mark[u]){
      res = max(res, mx);
      f[u]--;
      f[u] = max(f[u], 1);
    }
    res = max(res, f[u]);
  };
  dfs(1, -1);
  cout << res;
}

Subtask #1
6.0 / 6.0

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

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 3 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 3 ms 4992 KB Output is correct
8 Correct 3 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 3 ms 4992 KB Output is correct
22 Correct 4 ms 5120 KB Output is correct
23 Correct 4 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 4 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 4 ms 5248 KB Output is correct
30 Correct 4 ms 5376 KB Output is correct
31 Correct 4 ms 5120 KB Output is correct
32 Correct 4 ms 5120 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 5120 KB Output is correct
35 Correct 4 ms 5120 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5120 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 5 ms 5248 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 5 ms 5248 KB Output is correct
42 Correct 5 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 4 ms 5120 KB Output is correct
46 Correct 4 ms 5096 KB Output is correct
47 Correct 4 ms 5120 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 4 ms 5248 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 4 ms 5120 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 4 ms 5248 KB Output is correct
63 Correct 4 ms 5120 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 3 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 3 ms 4992 KB Output is correct
8 Correct 3 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 3 ms 4992 KB Output is correct
22 Correct 4 ms 5120 KB Output is correct
23 Correct 4 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 4 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 4 ms 5248 KB Output is correct
30 Correct 4 ms 5376 KB Output is correct
31 Correct 4 ms 5120 KB Output is correct
32 Correct 4 ms 5120 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 5120 KB Output is correct
35 Correct 4 ms 5120 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5120 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 5 ms 5248 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 5 ms 5248 KB Output is correct
42 Correct 5 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 4 ms 5120 KB Output is correct
46 Correct 4 ms 5096 KB Output is correct
47 Correct 4 ms 5120 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 4 ms 5248 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 4 ms 5120 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 4 ms 5248 KB Output is correct
63 Correct 4 ms 5120 KB Output is correct
64 Correct 172 ms 12392 KB Output is correct
65 Correct 181 ms 12476 KB Output is correct
66 Correct 181 ms 12408 KB Output is correct
67 Correct 163 ms 12408 KB Output is correct
68 Correct 177 ms 12440 KB Output is correct
69 Correct 163 ms 12536 KB Output is correct
70 Correct 176 ms 12408 KB Output is correct
71 Correct 175 ms 12408 KB Output is correct
72 Correct 167 ms 12408 KB Output is correct
73 Correct 188 ms 30200 KB Output is correct
74 Correct 188 ms 30072 KB Output is correct
75 Correct 161 ms 12280 KB Output is correct
76 Correct 166 ms 12408 KB Output is correct
77 Correct 179 ms 12280 KB Output is correct
78 Correct 177 ms 12492 KB Output is correct
79 Correct 177 ms 12408 KB Output is correct
80 Correct 174 ms 12280 KB Output is correct
81 Correct 133 ms 12660 KB Output is correct
82 Correct 162 ms 12552 KB Output is correct
83 Correct 182 ms 19496 KB Output is correct
84 Correct 186 ms 22520 KB Output is correct
85 Correct 182 ms 22264 KB Output is correct
86 Correct 160 ms 14328 KB Output is correct
87 Correct 170 ms 13564 KB Output is correct
88 Correct 156 ms 13944 KB Output is correct
89 Correct 159 ms 13968 KB Output is correct
90 Correct 182 ms 13560 KB Output is correct
91 Correct 153 ms 13856 KB Output is correct
92 Correct 161 ms 14456 KB Output is correct
93 Correct 157 ms 17908 KB Output is correct
94 Correct 150 ms 20336 KB Output is correct
95 Correct 151 ms 18396 KB Output is correct
96 Correct 154 ms 15864 KB Output is correct
97 Correct 147 ms 13688 KB Output is correct
98 Correct 156 ms 13032 KB Output is correct
99 Correct 158 ms 12792 KB Output is correct
100 Correct 154 ms 17144 KB Output is correct
101 Correct 152 ms 14328 KB Output is correct
102 Correct 149 ms 13264 KB Output is correct
103 Correct 151 ms 12920 KB Output is correct
104 Correct 96 ms 12324 KB Output is correct
105 Correct 178 ms 25592 KB Output is correct
106 Correct 98 ms 13160 KB Output is correct
107 Correct 98 ms 13032 KB Output is correct
108 Correct 186 ms 31096 KB Output is correct
109 Correct 95 ms 12268 KB Output is correct
110 Correct 189 ms 31608 KB Output is correct
111 Correct 163 ms 12280 KB Output is correct