oj.uz

Submission #813126

# Submission time Handle Problem Language Result Execution time Memory
813126 2023-08-07T13:44:29 Z gun_gan Power Plant (JOI20_power) C++17
100 / 100
 134 ms 28792 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 2e5 + 5;

int N;
vector<int> g[MX];
int dp[MX];
int ans = 0;
string s;

void dfs(int v, int p) {
      int cur = 0, mx = 0; // cur = ambil >= 1, mx = ambil 1 yg maksimum
      for(auto u : g[v]) {
            if(u == p) continue;

            dfs(u, v);
            cur += max(0, dp[u]);
            mx = max(mx, dp[u]);
      }

      if(s[v] == '1') {
            dp[v] = max(1, cur - 1); 

            ans = max(ans, cur - 1);
            ans = max(ans, mx + 1); // consider subtree ini aja
      } else {
            dp[v] = cur;
            ans = max(ans, cur);
      }
}

int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);

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

      cin >> s;
      s = '#' + s;

      dfs(1, 0);
      cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 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 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 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 4948 KB Output is correct
17 Correct 2 ms 5024 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 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 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 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 4948 KB Output is correct
17 Correct 2 ms 5024 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5088 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 2 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5032 KB Output is correct
33 Correct 3 ms 5040 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5000 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5032 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5036 KB Output is correct
41 Correct 3 ms 5164 KB Output is correct
42 Correct 3 ms 5036 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5032 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5036 KB Output is correct
47 Correct 3 ms 5084 KB Output is correct
48 Correct 3 ms 5164 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5080 KB Output is correct
54 Correct 3 ms 5040 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5028 KB Output is correct
57 Correct 3 ms 5164 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 2 ms 5076 KB Output is correct
60 Correct 3 ms 5164 KB Output is correct
61 Correct 2 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 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 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 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 4948 KB Output is correct
17 Correct 2 ms 5024 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5088 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 2 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5032 KB Output is correct
33 Correct 3 ms 5040 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5000 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5032 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5036 KB Output is correct
41 Correct 3 ms 5164 KB Output is correct
42 Correct 3 ms 5036 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5032 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5036 KB Output is correct
47 Correct 3 ms 5084 KB Output is correct
48 Correct 3 ms 5164 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5080 KB Output is correct
54 Correct 3 ms 5040 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5028 KB Output is correct
57 Correct 3 ms 5164 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 2 ms 5076 KB Output is correct
60 Correct 3 ms 5164 KB Output is correct
61 Correct 2 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 69 ms 15164 KB Output is correct
65 Correct 66 ms 15188 KB Output is correct
66 Correct 65 ms 15216 KB Output is correct
67 Correct 67 ms 15164 KB Output is correct
68 Correct 68 ms 15104 KB Output is correct
69 Correct 65 ms 15204 KB Output is correct
70 Correct 63 ms 15164 KB Output is correct
71 Correct 61 ms 15188 KB Output is correct
72 Correct 62 ms 15212 KB Output is correct
73 Correct 83 ms 27780 KB Output is correct
74 Correct 109 ms 27784 KB Output is correct
75 Correct 60 ms 15068 KB Output is correct
76 Correct 68 ms 15092 KB Output is correct
77 Correct 62 ms 15088 KB Output is correct
78 Correct 61 ms 15068 KB Output is correct
79 Correct 86 ms 15016 KB Output is correct
80 Correct 69 ms 15044 KB Output is correct
81 Correct 56 ms 15536 KB Output is correct
82 Correct 63 ms 15256 KB Output is correct
83 Correct 69 ms 20308 KB Output is correct
84 Correct 70 ms 22368 KB Output is correct
85 Correct 73 ms 22040 KB Output is correct
86 Correct 71 ms 16556 KB Output is correct
87 Correct 80 ms 15936 KB Output is correct
88 Correct 72 ms 16340 KB Output is correct
89 Correct 78 ms 16340 KB Output is correct
90 Correct 85 ms 16116 KB Output is correct
91 Correct 120 ms 16436 KB Output is correct
92 Correct 88 ms 16768 KB Output is correct
93 Correct 108 ms 19052 KB Output is correct
94 Correct 74 ms 20848 KB Output is correct
95 Correct 94 ms 19580 KB Output is correct
96 Correct 86 ms 17816 KB Output is correct
97 Correct 103 ms 16192 KB Output is correct
98 Correct 102 ms 15712 KB Output is correct
99 Correct 66 ms 15500 KB Output is correct
100 Correct 69 ms 18636 KB Output is correct
101 Correct 95 ms 16684 KB Output is correct
102 Correct 91 ms 15892 KB Output is correct
103 Correct 91 ms 15680 KB Output is correct
104 Correct 58 ms 16084 KB Output is correct
105 Correct 113 ms 24628 KB Output is correct
106 Correct 47 ms 15936 KB Output is correct
107 Correct 44 ms 15896 KB Output is correct
108 Correct 134 ms 28452 KB Output is correct
109 Correct 44 ms 16044 KB Output is correct
110 Correct 130 ms 28792 KB Output is correct
111 Correct 107 ms 15080 KB Output is correct