oj.uz

Submission #321402

# Submission time Handle Problem Language Result Execution time Memory
321402 2020-11-12T09:26:30 Z shaf_wa_nur Power Plant (JOI20_power) C++14
100 / 100
 194 ms 34400 KB 
/**
 *    author:  shafwanur010
 *    created: 11/11/2020 10:23:47 PM (Bangladesh Standard Time)
**/
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
  #include "debug.h"
#else
  #define debug(...) 42
#endif

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<vector<int>> g(n + 1);
  for (int i = 0; i < n - 1; i++) {
    int u, v;
    cin >> u >> v;
    g[u].push_back(v);
    g[v].push_back(u);
  }
  string s;
  cin >> s;
  s = '0' + s;
  int ans = 0;
  vector<int> dp(n + 1);
  function<void(int, int)> dfs = [&](int u, int p) {
    int sum = 0;
    for (int v : g[u]) {
      if (v != p) {
        dfs(v, u);
        sum += dp[v];
      }
    }
    dp[u] = max(s[u] - '0', sum - (s[u] - '0'));
    ans = max({ans, dp[u], dp[u] + (s[p] - '0')});
  };
  dfs(1, 0);
  cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 2 ms 620 KB Output is correct
30 Correct 1 ms 620 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 2 ms 512 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 620 KB Output is correct
42 Correct 1 ms 620 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 620 KB Output is correct
49 Correct 1 ms 620 KB Output is correct
50 Correct 1 ms 512 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 620 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 492 KB Output is correct
60 Correct 2 ms 620 KB Output is correct
61 Correct 1 ms 492 KB Output is correct
62 Correct 1 ms 620 KB Output is correct
63 Correct 1 ms 492 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 2 ms 620 KB Output is correct
30 Correct 1 ms 620 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 2 ms 512 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 620 KB Output is correct
42 Correct 1 ms 620 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 620 KB Output is correct
49 Correct 1 ms 620 KB Output is correct
50 Correct 1 ms 512 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 620 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 492 KB Output is correct
60 Correct 2 ms 620 KB Output is correct
61 Correct 1 ms 492 KB Output is correct
62 Correct 1 ms 620 KB Output is correct
63 Correct 1 ms 492 KB Output is correct
64 Correct 177 ms 15204 KB Output is correct
65 Correct 172 ms 15200 KB Output is correct
66 Correct 178 ms 15308 KB Output is correct
67 Correct 177 ms 15328 KB Output is correct
68 Correct 175 ms 15216 KB Output is correct
69 Correct 171 ms 15192 KB Output is correct
70 Correct 174 ms 15216 KB Output is correct
71 Correct 166 ms 15212 KB Output is correct
72 Correct 174 ms 15196 KB Output is correct
73 Correct 190 ms 32992 KB Output is correct
74 Correct 194 ms 32864 KB Output is correct
75 Correct 169 ms 15068 KB Output is correct
76 Correct 164 ms 15204 KB Output is correct
77 Correct 177 ms 15068 KB Output is correct
78 Correct 171 ms 15068 KB Output is correct
79 Correct 176 ms 15204 KB Output is correct
80 Correct 178 ms 15068 KB Output is correct
81 Correct 141 ms 15580 KB Output is correct
82 Correct 151 ms 15392 KB Output is correct
83 Correct 180 ms 22372 KB Output is correct
84 Correct 178 ms 25452 KB Output is correct
85 Correct 175 ms 24940 KB Output is correct
86 Correct 176 ms 17120 KB Output is correct
87 Correct 166 ms 16348 KB Output is correct
88 Correct 157 ms 16668 KB Output is correct
89 Correct 159 ms 16876 KB Output is correct
90 Correct 156 ms 16448 KB Output is correct
91 Correct 152 ms 16836 KB Output is correct
92 Correct 169 ms 17356 KB Output is correct
93 Correct 143 ms 20784 KB Output is correct
94 Correct 156 ms 23132 KB Output is correct
95 Correct 143 ms 21272 KB Output is correct
96 Correct 159 ms 18856 KB Output is correct
97 Correct 152 ms 16696 KB Output is correct
98 Correct 159 ms 15800 KB Output is correct
99 Correct 159 ms 15580 KB Output is correct
100 Correct 164 ms 20044 KB Output is correct
101 Correct 153 ms 17244 KB Output is correct
102 Correct 161 ms 16300 KB Output is correct
103 Correct 163 ms 15788 KB Output is correct
104 Correct 99 ms 16088 KB Output is correct
105 Correct 194 ms 28512 KB Output is correct
106 Correct 97 ms 15960 KB Output is correct
107 Correct 96 ms 15960 KB Output is correct
108 Correct 186 ms 34016 KB Output is correct
109 Correct 99 ms 16220 KB Output is correct
110 Correct 186 ms 34400 KB Output is correct
111 Correct 155 ms 15084 KB Output is correct