oj.uz

Submission #803439

# Submission time Handle Problem Language Result Execution time Memory
803439 2023-08-03T04:29:25 Z khoquennguoiminhthuong Power Plant (JOI20_power) C++14
100 / 100
 107 ms 28112 KB 
#include <bits/stdc++.h>

using namespace std;
int n;
vector<int>g[200005];
string s;
int a[200005];
int dp[200005];
int ans=0;
int dfs(int u,int pa) {
    int sum1=0,sum2=0;
    for(auto v:g[u])
        if(v!=pa) {
            int t=dfs(v,u);
            sum1=max(sum1,t);
            sum2+=max(0,t);
        }
    ans=max(ans,sum1+a[u]);
    ans=max(ans,sum2-a[u]);
return max(sum2-a[u],a[u]);
}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    for(int i=1; i<n; i++) {
        int u,v;
        cin>>u>>v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    cin>>s;
    for(int i=0; i<n; i++)if(s[i]=='1')a[i+1]=1;
    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 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 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 5024 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 5020 KB Output is correct
14 Correct 2 ms 5020 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 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 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 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 5024 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 5020 KB Output is correct
14 Correct 2 ms 5020 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 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 3 ms 5040 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5080 KB Output is correct
28 Correct 3 ms 5040 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5164 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 5088 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5164 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5148 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5120 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 3 ms 5076 KB Output is correct
50 Correct 3 ms 5084 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 5036 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 4 ms 5084 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5040 KB Output is correct
60 Correct 3 ms 5180 KB Output is correct
61 Correct 3 ms 5040 KB Output is correct
62 Correct 3 ms 5164 KB Output is correct
63 Correct 3 ms 5036 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 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 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 5024 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 5020 KB Output is correct
14 Correct 2 ms 5020 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 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 3 ms 5040 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5080 KB Output is correct
28 Correct 3 ms 5040 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5164 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 5088 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5164 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5148 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5120 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 3 ms 5076 KB Output is correct
50 Correct 3 ms 5084 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 5036 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 4 ms 5084 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5040 KB Output is correct
60 Correct 3 ms 5180 KB Output is correct
61 Correct 3 ms 5040 KB Output is correct
62 Correct 3 ms 5164 KB Output is correct
63 Correct 3 ms 5036 KB Output is correct
64 Correct 64 ms 15120 KB Output is correct
65 Correct 63 ms 15188 KB Output is correct
66 Correct 67 ms 15224 KB Output is correct
67 Correct 91 ms 15316 KB Output is correct
68 Correct 77 ms 15188 KB Output is correct
69 Correct 65 ms 15144 KB Output is correct
70 Correct 64 ms 15208 KB Output is correct
71 Correct 97 ms 15192 KB Output is correct
72 Correct 94 ms 14540 KB Output is correct
73 Correct 107 ms 27768 KB Output is correct
74 Correct 97 ms 27680 KB Output is correct
75 Correct 72 ms 15056 KB Output is correct
76 Correct 68 ms 15024 KB Output is correct
77 Correct 65 ms 14988 KB Output is correct
78 Correct 66 ms 15032 KB Output is correct
79 Correct 68 ms 14996 KB Output is correct
80 Correct 68 ms 15072 KB Output is correct
81 Correct 64 ms 15484 KB Output is correct
82 Correct 68 ms 15284 KB Output is correct
83 Correct 82 ms 20268 KB Output is correct
84 Correct 77 ms 22428 KB Output is correct
85 Correct 76 ms 22040 KB Output is correct
86 Correct 67 ms 16444 KB Output is correct
87 Correct 71 ms 15932 KB Output is correct
88 Correct 66 ms 16356 KB Output is correct
89 Correct 68 ms 16408 KB Output is correct
90 Correct 65 ms 16236 KB Output is correct
91 Correct 68 ms 16364 KB Output is correct
92 Correct 85 ms 16772 KB Output is correct
93 Correct 83 ms 19152 KB Output is correct
94 Correct 101 ms 20840 KB Output is correct
95 Correct 71 ms 19568 KB Output is correct
96 Correct 64 ms 17792 KB Output is correct
97 Correct 64 ms 16228 KB Output is correct
98 Correct 72 ms 15716 KB Output is correct
99 Correct 67 ms 15476 KB Output is correct
100 Correct 94 ms 18660 KB Output is correct
101 Correct 86 ms 16652 KB Output is correct
102 Correct 81 ms 15860 KB Output is correct
103 Correct 68 ms 15788 KB Output is correct
104 Correct 43 ms 15252 KB Output is correct
105 Correct 86 ms 23860 KB Output is correct
106 Correct 42 ms 15856 KB Output is correct
107 Correct 46 ms 15944 KB Output is correct
108 Correct 91 ms 27740 KB Output is correct
109 Correct 42 ms 15296 KB Output is correct
110 Correct 78 ms 28112 KB Output is correct
111 Correct 86 ms 15064 KB Output is correct