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Submission #885024

# Submission time Handle Problem Language Result Execution time Memory
885024 2023-12-08T20:24:49 Z maxFedorchuk Power Plant (JOI20_power) C++14
100 / 100
 91 ms 28692 KB 
#include <bits/stdc++.h>
using namespace std;

const long long MX=2e5+10;

vector < int > mas[MX];

int dp[MX];
char s[MX];

int ans=0;

void DFS(int zar,int mun)
{
    int mx=0;

    for(auto u:mas[zar])
    {
        if(u==mun)
        {
            continue;
        }

        DFS(u,zar);

        dp[zar]+=max(0,dp[u]);
        mx=max(mx,dp[u]);
    }

    dp[zar]=max((int)(s[zar]=='1'),(dp[zar]-(s[zar]=='1')));

    if(s[zar]=='1')
    {
        ans=max(ans,mx+1);
    }

    ans=max(ans,dp[zar]);

    return;
}

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

    int n;
    cin>>n;

    int a,b;
    for(int i=1;i<n;i++)
    {
        cin>>a>>b;
        mas[a].push_back(b);
        mas[b].push_back(a);
    }

    for(int i=1;i<=n;i++)
    {
        cin>>s[i];
    }

    DFS(1,0);

    cout<<ans<<"\n";
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5720 KB Output is correct
2 Correct 1 ms 5724 KB Output is correct
3 Correct 1 ms 5724 KB Output is correct
4 Correct 1 ms 5724 KB Output is correct
5 Correct 1 ms 5884 KB Output is correct
6 Correct 2 ms 5760 KB Output is correct
7 Correct 1 ms 5724 KB Output is correct
8 Correct 1 ms 5724 KB Output is correct
9 Correct 2 ms 5724 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 1 ms 5724 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5724 KB Output is correct
14 Correct 2 ms 5724 KB Output is correct
15 Correct 2 ms 5720 KB Output is correct
16 Correct 1 ms 5712 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 2 ms 5720 KB Output is correct
19 Correct 2 ms 5724 KB Output is correct
20 Correct 2 ms 5724 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5720 KB Output is correct
2 Correct 1 ms 5724 KB Output is correct
3 Correct 1 ms 5724 KB Output is correct
4 Correct 1 ms 5724 KB Output is correct
5 Correct 1 ms 5884 KB Output is correct
6 Correct 2 ms 5760 KB Output is correct
7 Correct 1 ms 5724 KB Output is correct
8 Correct 1 ms 5724 KB Output is correct
9 Correct 2 ms 5724 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 1 ms 5724 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5724 KB Output is correct
14 Correct 2 ms 5724 KB Output is correct
15 Correct 2 ms 5720 KB Output is correct
16 Correct 1 ms 5712 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 2 ms 5720 KB Output is correct
19 Correct 2 ms 5724 KB Output is correct
20 Correct 2 ms 5724 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct
22 Correct 3 ms 5980 KB Output is correct
23 Correct 2 ms 5980 KB Output is correct
24 Correct 2 ms 5960 KB Output is correct
25 Correct 2 ms 5980 KB Output is correct
26 Correct 2 ms 5980 KB Output is correct
27 Correct 2 ms 5980 KB Output is correct
28 Correct 2 ms 5976 KB Output is correct
29 Correct 2 ms 5980 KB Output is correct
30 Correct 2 ms 5908 KB Output is correct
31 Correct 3 ms 5980 KB Output is correct
32 Correct 2 ms 5976 KB Output is correct
33 Correct 2 ms 5980 KB Output is correct
34 Correct 2 ms 5968 KB Output is correct
35 Correct 2 ms 5980 KB Output is correct
36 Correct 2 ms 5980 KB Output is correct
37 Correct 2 ms 5980 KB Output is correct
38 Correct 2 ms 5964 KB Output is correct
39 Correct 2 ms 5980 KB Output is correct
40 Correct 2 ms 5980 KB Output is correct
41 Correct 2 ms 6036 KB Output is correct
42 Correct 2 ms 6232 KB Output is correct
43 Correct 2 ms 5980 KB Output is correct
44 Correct 2 ms 5980 KB Output is correct
45 Correct 2 ms 5980 KB Output is correct
46 Correct 2 ms 6236 KB Output is correct
47 Correct 2 ms 5980 KB Output is correct
48 Correct 2 ms 5964 KB Output is correct
49 Correct 2 ms 5980 KB Output is correct
50 Correct 2 ms 5980 KB Output is correct
51 Correct 2 ms 5980 KB Output is correct
52 Correct 2 ms 5980 KB Output is correct
53 Correct 2 ms 5980 KB Output is correct
54 Correct 2 ms 5980 KB Output is correct
55 Correct 2 ms 5868 KB Output is correct
56 Correct 3 ms 5944 KB Output is correct
57 Correct 2 ms 5976 KB Output is correct
58 Correct 2 ms 5980 KB Output is correct
59 Correct 2 ms 5980 KB Output is correct
60 Correct 2 ms 5980 KB Output is correct
61 Correct 2 ms 5980 KB Output is correct
62 Correct 2 ms 5980 KB Output is correct
63 Correct 2 ms 5980 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5720 KB Output is correct
2 Correct 1 ms 5724 KB Output is correct
3 Correct 1 ms 5724 KB Output is correct
4 Correct 1 ms 5724 KB Output is correct
5 Correct 1 ms 5884 KB Output is correct
6 Correct 2 ms 5760 KB Output is correct
7 Correct 1 ms 5724 KB Output is correct
8 Correct 1 ms 5724 KB Output is correct
9 Correct 2 ms 5724 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 1 ms 5724 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5724 KB Output is correct
14 Correct 2 ms 5724 KB Output is correct
15 Correct 2 ms 5720 KB Output is correct
16 Correct 1 ms 5712 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 2 ms 5720 KB Output is correct
19 Correct 2 ms 5724 KB Output is correct
20 Correct 2 ms 5724 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct
22 Correct 3 ms 5980 KB Output is correct
23 Correct 2 ms 5980 KB Output is correct
24 Correct 2 ms 5960 KB Output is correct
25 Correct 2 ms 5980 KB Output is correct
26 Correct 2 ms 5980 KB Output is correct
27 Correct 2 ms 5980 KB Output is correct
28 Correct 2 ms 5976 KB Output is correct
29 Correct 2 ms 5980 KB Output is correct
30 Correct 2 ms 5908 KB Output is correct
31 Correct 3 ms 5980 KB Output is correct
32 Correct 2 ms 5976 KB Output is correct
33 Correct 2 ms 5980 KB Output is correct
34 Correct 2 ms 5968 KB Output is correct
35 Correct 2 ms 5980 KB Output is correct
36 Correct 2 ms 5980 KB Output is correct
37 Correct 2 ms 5980 KB Output is correct
38 Correct 2 ms 5964 KB Output is correct
39 Correct 2 ms 5980 KB Output is correct
40 Correct 2 ms 5980 KB Output is correct
41 Correct 2 ms 6036 KB Output is correct
42 Correct 2 ms 6232 KB Output is correct
43 Correct 2 ms 5980 KB Output is correct
44 Correct 2 ms 5980 KB Output is correct
45 Correct 2 ms 5980 KB Output is correct
46 Correct 2 ms 6236 KB Output is correct
47 Correct 2 ms 5980 KB Output is correct
48 Correct 2 ms 5964 KB Output is correct
49 Correct 2 ms 5980 KB Output is correct
50 Correct 2 ms 5980 KB Output is correct
51 Correct 2 ms 5980 KB Output is correct
52 Correct 2 ms 5980 KB Output is correct
53 Correct 2 ms 5980 KB Output is correct
54 Correct 2 ms 5980 KB Output is correct
55 Correct 2 ms 5868 KB Output is correct
56 Correct 3 ms 5944 KB Output is correct
57 Correct 2 ms 5976 KB Output is correct
58 Correct 2 ms 5980 KB Output is correct
59 Correct 2 ms 5980 KB Output is correct
60 Correct 2 ms 5980 KB Output is correct
61 Correct 2 ms 5980 KB Output is correct
62 Correct 2 ms 5980 KB Output is correct
63 Correct 2 ms 5980 KB Output is correct
64 Correct 91 ms 15188 KB Output is correct
65 Correct 59 ms 15188 KB Output is correct
66 Correct 58 ms 14964 KB Output is correct
67 Correct 74 ms 14988 KB Output is correct
68 Correct 59 ms 15184 KB Output is correct
69 Correct 82 ms 15092 KB Output is correct
70 Correct 57 ms 15188 KB Output is correct
71 Correct 71 ms 15044 KB Output is correct
72 Correct 55 ms 15184 KB Output is correct
73 Correct 79 ms 27728 KB Output is correct
74 Correct 75 ms 27728 KB Output is correct
75 Correct 58 ms 14928 KB Output is correct
76 Correct 57 ms 14992 KB Output is correct
77 Correct 73 ms 15092 KB Output is correct
78 Correct 55 ms 14928 KB Output is correct
79 Correct 80 ms 15132 KB Output is correct
80 Correct 73 ms 15008 KB Output is correct
81 Correct 66 ms 15220 KB Output is correct
82 Correct 55 ms 15052 KB Output is correct
83 Correct 63 ms 20196 KB Output is correct
84 Correct 67 ms 22352 KB Output is correct
85 Correct 74 ms 22096 KB Output is correct
86 Correct 68 ms 16340 KB Output is correct
87 Correct 58 ms 15796 KB Output is correct
88 Correct 73 ms 16284 KB Output is correct
89 Correct 58 ms 16212 KB Output is correct
90 Correct 61 ms 16160 KB Output is correct
91 Correct 64 ms 16452 KB Output is correct
92 Correct 60 ms 16724 KB Output is correct
93 Correct 60 ms 19152 KB Output is correct
94 Correct 58 ms 20684 KB Output is correct
95 Correct 63 ms 19336 KB Output is correct
96 Correct 58 ms 17744 KB Output is correct
97 Correct 53 ms 16196 KB Output is correct
98 Correct 70 ms 15828 KB Output is correct
99 Correct 59 ms 15452 KB Output is correct
100 Correct 61 ms 18524 KB Output is correct
101 Correct 59 ms 16716 KB Output is correct
102 Correct 69 ms 15716 KB Output is correct
103 Correct 87 ms 15768 KB Output is correct
104 Correct 51 ms 15868 KB Output is correct
105 Correct 73 ms 24552 KB Output is correct
106 Correct 42 ms 15556 KB Output is correct
107 Correct 47 ms 15724 KB Output is correct
108 Correct 76 ms 28572 KB Output is correct
109 Correct 41 ms 15972 KB Output is correct
110 Correct 73 ms 28692 KB Output is correct
111 Correct 66 ms 14860 KB Output is correct