oj.uz

Submission #868649

# Submission time Handle Problem Language Result Execution time Memory
868649 2023-11-01T05:22:15 Z 12345678 Power Plant (JOI20_power) C++17
100 / 100
 99 ms 29584 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=2e5+5;
int n, u, v, dp1[nx], dp2[nx], ans;
vector<int> d[nx];
string s;

void dfs(int u, int p)
{

    for (auto v:d[u])
    {
        if (v==p) continue;
        dfs(v, u);
        if (s[u-1]=='1') dp1[u]+=dp1[v], dp2[u]=max(dp2[u], dp1[v]+1);
        else dp1[u]+=max(dp1[v], dp2[v]-2), dp2[u]=max(dp2[u], dp2[v]);
    }
    if (s[u-1]=='1') dp1[u]=max(1, dp1[u]-1), dp2[u]=max(dp2[u], 1);
    ans=max({ans, dp1[u], dp2[u]});
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    for (int i=1; i<n; i++) cin>>u>>v, d[u].push_back(v), d[v].push_back(u);
    cin>>s;
    dfs(1, 1);
    cout<<ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 1 ms 4956 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 1 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 5164 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 1 ms 4956 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 1 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 5164 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5272 KB Output is correct
25 Correct 2 ms 5208 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5212 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 2 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 2 ms 5212 KB Output is correct
36 Correct 2 ms 5208 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5176 KB Output is correct
41 Correct 2 ms 5172 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5208 KB Output is correct
47 Correct 2 ms 5212 KB Output is correct
48 Correct 2 ms 5212 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 2 ms 5252 KB Output is correct
52 Correct 2 ms 5176 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 2 ms 5176 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 1 ms 5396 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 1 ms 5212 KB Output is correct
60 Correct 2 ms 5208 KB Output is correct
61 Correct 2 ms 5208 KB Output is correct
62 Correct 2 ms 5208 KB Output is correct
63 Correct 2 ms 5208 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 4956 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 1 ms 4952 KB Output is correct
16 Correct 1 ms 4956 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 1 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 5164 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5272 KB Output is correct
25 Correct 2 ms 5208 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5212 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 2 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 2 ms 5212 KB Output is correct
36 Correct 2 ms 5208 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5176 KB Output is correct
41 Correct 2 ms 5172 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5208 KB Output is correct
47 Correct 2 ms 5212 KB Output is correct
48 Correct 2 ms 5212 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 2 ms 5252 KB Output is correct
52 Correct 2 ms 5176 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 2 ms 5176 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 1 ms 5396 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 1 ms 5212 KB Output is correct
60 Correct 2 ms 5208 KB Output is correct
61 Correct 2 ms 5208 KB Output is correct
62 Correct 2 ms 5208 KB Output is correct
63 Correct 2 ms 5208 KB Output is correct
64 Correct 75 ms 15892 KB Output is correct
65 Correct 86 ms 16020 KB Output is correct
66 Correct 59 ms 16000 KB Output is correct
67 Correct 78 ms 15972 KB Output is correct
68 Correct 59 ms 16000 KB Output is correct
69 Correct 62 ms 16016 KB Output is correct
70 Correct 55 ms 16036 KB Output is correct
71 Correct 55 ms 16028 KB Output is correct
72 Correct 57 ms 16008 KB Output is correct
73 Correct 73 ms 28564 KB Output is correct
74 Correct 74 ms 28564 KB Output is correct
75 Correct 56 ms 15824 KB Output is correct
76 Correct 58 ms 15768 KB Output is correct
77 Correct 67 ms 16028 KB Output is correct
78 Correct 99 ms 16012 KB Output is correct
79 Correct 58 ms 15980 KB Output is correct
80 Correct 55 ms 15952 KB Output is correct
81 Correct 51 ms 16328 KB Output is correct
82 Correct 73 ms 16464 KB Output is correct
83 Correct 66 ms 21220 KB Output is correct
84 Correct 80 ms 23204 KB Output is correct
85 Correct 72 ms 22944 KB Output is correct
86 Correct 77 ms 17300 KB Output is correct
87 Correct 59 ms 16780 KB Output is correct
88 Correct 62 ms 17104 KB Output is correct
89 Correct 59 ms 17308 KB Output is correct
90 Correct 61 ms 17052 KB Output is correct
91 Correct 69 ms 17268 KB Output is correct
92 Correct 60 ms 17536 KB Output is correct
93 Correct 62 ms 20064 KB Output is correct
94 Correct 60 ms 21820 KB Output is correct
95 Correct 58 ms 20376 KB Output is correct
96 Correct 59 ms 18684 KB Output is correct
97 Correct 71 ms 17144 KB Output is correct
98 Correct 66 ms 16616 KB Output is correct
99 Correct 55 ms 16416 KB Output is correct
100 Correct 62 ms 19584 KB Output is correct
101 Correct 60 ms 17496 KB Output is correct
102 Correct 54 ms 16740 KB Output is correct
103 Correct 68 ms 16728 KB Output is correct
104 Correct 39 ms 15420 KB Output is correct
105 Correct 71 ms 25508 KB Output is correct
106 Correct 40 ms 16836 KB Output is correct
107 Correct 41 ms 16664 KB Output is correct
108 Correct 73 ms 29368 KB Output is correct
109 Correct 39 ms 15304 KB Output is correct
110 Correct 71 ms 29584 KB Output is correct
111 Correct 54 ms 15812 KB Output is correct