Submission #781907

# Submission time Handle Problem Language Result Execution time Memory
781907 2023-07-13T13:06:13 Z 1bin Power Plant (JOI20_power) C++14
100 / 100
126 ms 28888 KB
#include <bits/stdc++.h>

using namespace std;

#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 2e5 + 5;
int n, ans, a[NMAX], u, v;
vector<int> adj[NMAX];
string s;

int dfs(int x, int p){
    int v1 = 0, v2 = 0;
    for(int& nx : adj[x]){
        if(nx == p) continue;
        int t = dfs(nx, x);
        v1 = max(v1, t);
        v2 += max(t, 0);
    }
    ans = max(ans, v1 + a[x]);
    ans = max(ans, v2 - a[x]);
    return max(v2 - a[x], a[x]);
}

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n;
    for(int i = 1; i < n; i++){
        cin >> u >> v;
        adj[u].emplace_back(v);
        adj[v].emplace_back(u);
    }
    cin >>s;
    for(int i = 1; i <= n; i++) a[i] = s[i - 1] - '0';
    dfs(1, -1);
    cout << ans;
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5024 KB Output is correct
2 Correct 3 ms 5024 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5020 KB Output is correct
7 Correct 2 ms 5024 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4944 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 4 ms 5024 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5024 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5024 KB Output is correct
2 Correct 3 ms 5024 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5020 KB Output is correct
7 Correct 2 ms 5024 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4944 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 4 ms 5024 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5024 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5032 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5036 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 2 ms 5040 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 4 ms 4988 KB Output is correct
35 Correct 4 ms 5040 KB Output is correct
36 Correct 4 ms 5036 KB Output is correct
37 Correct 3 ms 5040 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5032 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 3 ms 5040 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 4 ms 5140 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 3 ms 5032 KB Output is correct
48 Correct 3 ms 5160 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 2 ms 5144 KB Output is correct
52 Correct 3 ms 5036 KB Output is correct
53 Correct 4 ms 5084 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 3 ms 5160 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5088 KB Output is correct
61 Correct 3 ms 5036 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5024 KB Output is correct
2 Correct 3 ms 5024 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5020 KB Output is correct
7 Correct 2 ms 5024 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4944 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 4 ms 5024 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5024 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5024 KB Output is correct
19 Correct 3 ms 5028 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5032 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5036 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 2 ms 5040 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 4 ms 4988 KB Output is correct
35 Correct 4 ms 5040 KB Output is correct
36 Correct 4 ms 5036 KB Output is correct
37 Correct 3 ms 5040 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5032 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 3 ms 5040 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 4 ms 5140 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 3 ms 5032 KB Output is correct
48 Correct 3 ms 5160 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 2 ms 5144 KB Output is correct
52 Correct 3 ms 5036 KB Output is correct
53 Correct 4 ms 5084 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 3 ms 5160 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5088 KB Output is correct
61 Correct 3 ms 5036 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 67 ms 15096 KB Output is correct
65 Correct 60 ms 15148 KB Output is correct
66 Correct 81 ms 15092 KB Output is correct
67 Correct 120 ms 15204 KB Output is correct
68 Correct 69 ms 15096 KB Output is correct
69 Correct 77 ms 15088 KB Output is correct
70 Correct 84 ms 15104 KB Output is correct
71 Correct 91 ms 15192 KB Output is correct
72 Correct 85 ms 15188 KB Output is correct
73 Correct 93 ms 27704 KB Output is correct
74 Correct 100 ms 27748 KB Output is correct
75 Correct 85 ms 14988 KB Output is correct
76 Correct 95 ms 15028 KB Output is correct
77 Correct 92 ms 14992 KB Output is correct
78 Correct 100 ms 15048 KB Output is correct
79 Correct 95 ms 15032 KB Output is correct
80 Correct 126 ms 15064 KB Output is correct
81 Correct 58 ms 15464 KB Output is correct
82 Correct 96 ms 15264 KB Output is correct
83 Correct 110 ms 20248 KB Output is correct
84 Correct 99 ms 22388 KB Output is correct
85 Correct 92 ms 22060 KB Output is correct
86 Correct 66 ms 16528 KB Output is correct
87 Correct 111 ms 15868 KB Output is correct
88 Correct 105 ms 16356 KB Output is correct
89 Correct 67 ms 16448 KB Output is correct
90 Correct 73 ms 16232 KB Output is correct
91 Correct 75 ms 16376 KB Output is correct
92 Correct 67 ms 16764 KB Output is correct
93 Correct 103 ms 19052 KB Output is correct
94 Correct 67 ms 20908 KB Output is correct
95 Correct 74 ms 19528 KB Output is correct
96 Correct 73 ms 17728 KB Output is correct
97 Correct 82 ms 16164 KB Output is correct
98 Correct 71 ms 15760 KB Output is correct
99 Correct 67 ms 15456 KB Output is correct
100 Correct 82 ms 18640 KB Output is correct
101 Correct 79 ms 16648 KB Output is correct
102 Correct 66 ms 15932 KB Output is correct
103 Correct 79 ms 15696 KB Output is correct
104 Correct 53 ms 15992 KB Output is correct
105 Correct 90 ms 24616 KB Output is correct
106 Correct 44 ms 15932 KB Output is correct
107 Correct 44 ms 15892 KB Output is correct
108 Correct 89 ms 28532 KB Output is correct
109 Correct 65 ms 16028 KB Output is correct
110 Correct 109 ms 28888 KB Output is correct
111 Correct 63 ms 15076 KB Output is correct