Submission #1066368

# Submission time Handle Problem Language Result Execution time Memory
1066368 2024-08-19T19:20:20 Z Minbaev Power Plant (JOI20_power) C++17
100 / 100
96 ms 39320 KB
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
 
using namespace std;
 
int32_t main()
{
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        int n;
        cin >> n;
 
        vector<vector<int>> v(n + 1);
        for (int i = 0; i < n - 1; i++) {
                int a, b;
                cin >> a >> b;
 
                v[a].push_back(b);
                v[b].push_back(a);
        }
 
        vector<int> ok(n + 1);
        for (int i = 1; i <= n; i++) {
                char c;
                cin >> c;
 
                ok[i] = (c == '1');
        }
 
        int ans = 0;
        vector<int> dp(n + 1);
 
        function<void(int, int)> dfs = [&](int x, int p) {
                dp[x] = ok[x];
 
                int cur = -ok[x];
                for (auto z : v[x]) {
                        if (z == p) continue;
 
                        dfs(z, x);
 
                        ans = max(ans, dp[z] + ok[x]);
                        cur += dp[z];
                }
 
                dp[x] = max(dp[x], cur);
                ans = max(ans, dp[x]);
        };
 
        dfs(1, 1);
 
        cout << ans << '\n';
        
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 452 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 456 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 452 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 456 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 472 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 724 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 536 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 600 KB Output is correct
36 Correct 1 ms 860 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 584 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 724 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 604 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 1 ms 604 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 1 ms 604 KB Output is correct
59 Correct 1 ms 604 KB Output is correct
60 Correct 1 ms 856 KB Output is correct
61 Correct 1 ms 600 KB Output is correct
62 Correct 1 ms 604 KB Output is correct
63 Correct 1 ms 604 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 452 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 456 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 472 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 724 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 536 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 600 KB Output is correct
36 Correct 1 ms 860 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 584 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 724 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 604 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 1 ms 604 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 1 ms 604 KB Output is correct
59 Correct 1 ms 604 KB Output is correct
60 Correct 1 ms 856 KB Output is correct
61 Correct 1 ms 600 KB Output is correct
62 Correct 1 ms 604 KB Output is correct
63 Correct 1 ms 604 KB Output is correct
64 Correct 65 ms 18260 KB Output is correct
65 Correct 64 ms 18256 KB Output is correct
66 Correct 67 ms 18260 KB Output is correct
67 Correct 71 ms 18344 KB Output is correct
68 Correct 81 ms 18144 KB Output is correct
69 Correct 73 ms 18264 KB Output is correct
70 Correct 62 ms 18260 KB Output is correct
71 Correct 63 ms 18124 KB Output is correct
72 Correct 67 ms 18360 KB Output is correct
73 Correct 96 ms 37492 KB Output is correct
74 Correct 74 ms 37456 KB Output is correct
75 Correct 63 ms 19540 KB Output is correct
76 Correct 80 ms 19508 KB Output is correct
77 Correct 65 ms 18260 KB Output is correct
78 Correct 62 ms 18260 KB Output is correct
79 Correct 63 ms 18256 KB Output is correct
80 Correct 68 ms 18156 KB Output is correct
81 Correct 58 ms 18244 KB Output is correct
82 Correct 56 ms 18124 KB Output is correct
83 Correct 71 ms 26308 KB Output is correct
84 Correct 75 ms 29952 KB Output is correct
85 Correct 77 ms 29264 KB Output is correct
86 Correct 64 ms 20308 KB Output is correct
87 Correct 63 ms 19540 KB Output is correct
88 Correct 62 ms 19624 KB Output is correct
89 Correct 66 ms 19584 KB Output is correct
90 Correct 59 ms 19292 KB Output is correct
91 Correct 84 ms 19536 KB Output is correct
92 Correct 61 ms 20096 KB Output is correct
93 Correct 65 ms 23756 KB Output is correct
94 Correct 63 ms 26568 KB Output is correct
95 Correct 57 ms 24512 KB Output is correct
96 Correct 60 ms 21588 KB Output is correct
97 Correct 61 ms 19280 KB Output is correct
98 Correct 64 ms 18580 KB Output is correct
99 Correct 57 ms 18256 KB Output is correct
100 Correct 60 ms 23124 KB Output is correct
101 Correct 60 ms 19792 KB Output is correct
102 Correct 57 ms 18612 KB Output is correct
103 Correct 80 ms 18640 KB Output is correct
104 Correct 61 ms 18880 KB Output is correct
105 Correct 71 ms 32332 KB Output is correct
106 Correct 53 ms 18632 KB Output is correct
107 Correct 64 ms 18632 KB Output is correct
108 Correct 90 ms 38796 KB Output is correct
109 Correct 45 ms 18888 KB Output is correct
110 Correct 75 ms 39320 KB Output is correct
111 Correct 66 ms 18272 KB Output is correct