oj.uz

Submission #803448

# Submission time Handle Problem Language Result Execution time Memory
803448 2023-08-03T04:30:24 Z khoquennguoiminhthuong Power Plant (JOI20_power) C++14
100 / 100
 142 ms 26156 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;
void dfs(int u,int pa) {
    dp[u]=a[u];
    int sum1=0,sum2=0;
    for(auto v:g[u])
        if(v!=pa) {
            dfs(v,u);
            sum1=max(sum1,dp[v]);
            sum2+=dp[v];
        }
    ans=max(ans,sum1+a[u]);
    dp[u]=max(dp[u],sum2-a[u]);
    ans=max(ans,dp[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 2 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 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 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 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 2 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 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 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 4948 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 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 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 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 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 3 ms 5116 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 2 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 5032 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 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 2 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5100 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 2 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 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 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 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 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 4948 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 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 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 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 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 3 ms 5116 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 2 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 5032 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 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 2 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5100 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 2 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 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 3 ms 5076 KB Output is correct
64 Correct 70 ms 13220 KB Output is correct
65 Correct 85 ms 13188 KB Output is correct
66 Correct 68 ms 13268 KB Output is correct
67 Correct 65 ms 13152 KB Output is correct
68 Correct 71 ms 13192 KB Output is correct
69 Correct 109 ms 13264 KB Output is correct
70 Correct 66 ms 13220 KB Output is correct
71 Correct 68 ms 13244 KB Output is correct
72 Correct 61 ms 12492 KB Output is correct
73 Correct 113 ms 25856 KB Output is correct
74 Correct 90 ms 25700 KB Output is correct
75 Correct 82 ms 13128 KB Output is correct
76 Correct 77 ms 13076 KB Output is correct
77 Correct 76 ms 13140 KB Output is correct
78 Correct 66 ms 13052 KB Output is correct
79 Correct 68 ms 13156 KB Output is correct
80 Correct 84 ms 13140 KB Output is correct
81 Correct 62 ms 13548 KB Output is correct
82 Correct 71 ms 13296 KB Output is correct
83 Correct 99 ms 18364 KB Output is correct
84 Correct 99 ms 20420 KB Output is correct
85 Correct 91 ms 20120 KB Output is correct
86 Correct 114 ms 14612 KB Output is correct
87 Correct 90 ms 14020 KB Output is correct
88 Correct 72 ms 14440 KB Output is correct
89 Correct 126 ms 14476 KB Output is correct
90 Correct 74 ms 14240 KB Output is correct
91 Correct 88 ms 14448 KB Output is correct
92 Correct 70 ms 14840 KB Output is correct
93 Correct 99 ms 17280 KB Output is correct
94 Correct 82 ms 19072 KB Output is correct
95 Correct 89 ms 17612 KB Output is correct
96 Correct 109 ms 15820 KB Output is correct
97 Correct 92 ms 14224 KB Output is correct
98 Correct 135 ms 13784 KB Output is correct
99 Correct 84 ms 13580 KB Output is correct
100 Correct 73 ms 16784 KB Output is correct
101 Correct 106 ms 14808 KB Output is correct
102 Correct 75 ms 13980 KB Output is correct
103 Correct 107 ms 13748 KB Output is correct
104 Correct 65 ms 13180 KB Output is correct
105 Correct 123 ms 21928 KB Output is correct
106 Correct 67 ms 14052 KB Output is correct
107 Correct 56 ms 14032 KB Output is correct
108 Correct 126 ms 25824 KB Output is correct
109 Correct 65 ms 13180 KB Output is correct
110 Correct 142 ms 26156 KB Output is correct
111 Correct 75 ms 13096 KB Output is correct