oj.uz

Submission #787147

# Submission time Handle Problem Language Result Execution time Memory
787147 2023-07-18T21:23:22 Z Rafi22 Power Plant (JOI20_power) C++14
100 / 100
 111 ms 28796 KB 
#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

const int N=200007;

vector<int>G[N];
string s;

int DP[N];
int ans;

void dfs(int v,int o)
{
    if(s[v]=='1') DP[v]=-1;
    for(auto u:G[v])
    {
        if(u==o) continue;
        dfs(u,v);
        DP[v]+=DP[u];
    }
    if(s[v]=='1') DP[v]=max(DP[v],1);
    ans=max(ans,DP[v]);
    if(s[o]=='1') ans=max(ans,DP[v]+1);
}


int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    for(int i=1;i<n;i++)
    {
        int a,b;
        cin>>a>>b;
        G[a].pb(b);
        G[b].pb(a);
    }
    cin>>s;
    s='#'+s;
    dfs(1,0);
    cout<<ans;




    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4976 KB Output is correct
4 Correct 3 ms 5020 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 5020 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 5024 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 5020 KB Output is correct
20 Correct 3 ms 5020 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4976 KB Output is correct
4 Correct 3 ms 5020 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 5020 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 5024 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 5020 KB Output is correct
20 Correct 3 ms 5020 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 5036 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5032 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5036 KB Output is correct
27 Correct 3 ms 5032 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5220 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 4 ms 5032 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5128 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 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 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 5 ms 5164 KB Output is correct
50 Correct 3 ms 5080 KB Output is correct
51 Correct 3 ms 5032 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5028 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5032 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 4 ms 5064 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4976 KB Output is correct
4 Correct 3 ms 5020 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 5020 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 5024 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 5020 KB Output is correct
20 Correct 3 ms 5020 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 5036 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5032 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5036 KB Output is correct
27 Correct 3 ms 5032 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5220 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 4 ms 5032 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5128 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 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 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 5 ms 5164 KB Output is correct
50 Correct 3 ms 5080 KB Output is correct
51 Correct 3 ms 5032 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5028 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5032 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 4 ms 5064 KB Output is correct
64 Correct 67 ms 15216 KB Output is correct
65 Correct 70 ms 15196 KB Output is correct
66 Correct 80 ms 15156 KB Output is correct
67 Correct 100 ms 15176 KB Output is correct
68 Correct 84 ms 15112 KB Output is correct
69 Correct 66 ms 15172 KB Output is correct
70 Correct 92 ms 15088 KB Output is correct
71 Correct 72 ms 15160 KB Output is correct
72 Correct 74 ms 15212 KB Output is correct
73 Correct 103 ms 27772 KB Output is correct
74 Correct 111 ms 27720 KB Output is correct
75 Correct 65 ms 15048 KB Output is correct
76 Correct 96 ms 15064 KB Output is correct
77 Correct 79 ms 15044 KB Output is correct
78 Correct 109 ms 15072 KB Output is correct
79 Correct 69 ms 15000 KB Output is correct
80 Correct 67 ms 15004 KB Output is correct
81 Correct 63 ms 15496 KB Output is correct
82 Correct 61 ms 15180 KB Output is correct
83 Correct 73 ms 20256 KB Output is correct
84 Correct 77 ms 22420 KB Output is correct
85 Correct 80 ms 22100 KB Output is correct
86 Correct 81 ms 16488 KB Output is correct
87 Correct 108 ms 15968 KB Output is correct
88 Correct 82 ms 16344 KB Output is correct
89 Correct 107 ms 16388 KB Output is correct
90 Correct 65 ms 16200 KB Output is correct
91 Correct 69 ms 16400 KB Output is correct
92 Correct 67 ms 16788 KB Output is correct
93 Correct 66 ms 19104 KB Output is correct
94 Correct 68 ms 20824 KB Output is correct
95 Correct 72 ms 19544 KB Output is correct
96 Correct 66 ms 17700 KB Output is correct
97 Correct 73 ms 16152 KB Output is correct
98 Correct 65 ms 15648 KB Output is correct
99 Correct 83 ms 15436 KB Output is correct
100 Correct 74 ms 18696 KB Output is correct
101 Correct 67 ms 16676 KB Output is correct
102 Correct 59 ms 15920 KB Output is correct
103 Correct 87 ms 15660 KB Output is correct
104 Correct 44 ms 15300 KB Output is correct
105 Correct 90 ms 24560 KB Output is correct
106 Correct 54 ms 15868 KB Output is correct
107 Correct 51 ms 15864 KB Output is correct
108 Correct 81 ms 28452 KB Output is correct
109 Correct 56 ms 15248 KB Output is correct
110 Correct 78 ms 28796 KB Output is correct
111 Correct 84 ms 15044 KB Output is correct