# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
453248 |
2021-08-04T10:04:29 Z |
fuad27 |
Power Plant (JOI20_power) |
C++14 |
|
1500 ms |
15500 KB |
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 4;
string s;
vector<int> V[N], dp(N, 0);
bool vis[N];
void clear(int n) {
for(int i=1; i<=n; i++) {
dp[i] = 0;
vis[i] = 0;
}
}
void dfs(int v, int root) {
vis[v] = 1;
dp[v] = s[v-1] - '0';
int rb = 0, rc = 0;
for(int i=0; i<(int) V[v].size(); i++) {
int u = V[v][i];
if(!vis[u]) {
dfs(u, root);
rb += dp[u];
rc = max(rc, dp[u]);
}
}
if(v == root)
dp[v] = rc + 1;
else {
rb -= s[v-1] - '0';
dp[v] = max(dp[v], rb);
}
}
int main() {
int n;
cin>>n;
for(int i=0; i<(n-1); i++) {
int a, b;
cin>>a>>b;
V[a].push_back(b);
V[b].push_back(a);
}
cin>>s;
int ans = 0;
for(int i=1; i<=n; i++) {
if(s[i-1] == '1') {
clear(n);
dfs(i, i);
ans = max(ans, dp[i]);
}
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5708 KB |
Output is correct |
2 |
Correct |
4 ms |
5708 KB |
Output is correct |
3 |
Correct |
4 ms |
5796 KB |
Output is correct |
4 |
Correct |
4 ms |
5708 KB |
Output is correct |
5 |
Correct |
4 ms |
5760 KB |
Output is correct |
6 |
Correct |
4 ms |
5708 KB |
Output is correct |
7 |
Correct |
4 ms |
5788 KB |
Output is correct |
8 |
Correct |
4 ms |
5708 KB |
Output is correct |
9 |
Correct |
4 ms |
5708 KB |
Output is correct |
10 |
Correct |
4 ms |
5772 KB |
Output is correct |
11 |
Correct |
4 ms |
5708 KB |
Output is correct |
12 |
Correct |
4 ms |
5708 KB |
Output is correct |
13 |
Correct |
4 ms |
5708 KB |
Output is correct |
14 |
Correct |
4 ms |
5708 KB |
Output is correct |
15 |
Correct |
4 ms |
5708 KB |
Output is correct |
16 |
Correct |
4 ms |
5708 KB |
Output is correct |
17 |
Correct |
4 ms |
5708 KB |
Output is correct |
18 |
Correct |
4 ms |
5796 KB |
Output is correct |
19 |
Correct |
5 ms |
5708 KB |
Output is correct |
20 |
Correct |
4 ms |
5708 KB |
Output is correct |
21 |
Correct |
4 ms |
5708 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5708 KB |
Output is correct |
2 |
Correct |
4 ms |
5708 KB |
Output is correct |
3 |
Correct |
4 ms |
5796 KB |
Output is correct |
4 |
Correct |
4 ms |
5708 KB |
Output is correct |
5 |
Correct |
4 ms |
5760 KB |
Output is correct |
6 |
Correct |
4 ms |
5708 KB |
Output is correct |
7 |
Correct |
4 ms |
5788 KB |
Output is correct |
8 |
Correct |
4 ms |
5708 KB |
Output is correct |
9 |
Correct |
4 ms |
5708 KB |
Output is correct |
10 |
Correct |
4 ms |
5772 KB |
Output is correct |
11 |
Correct |
4 ms |
5708 KB |
Output is correct |
12 |
Correct |
4 ms |
5708 KB |
Output is correct |
13 |
Correct |
4 ms |
5708 KB |
Output is correct |
14 |
Correct |
4 ms |
5708 KB |
Output is correct |
15 |
Correct |
4 ms |
5708 KB |
Output is correct |
16 |
Correct |
4 ms |
5708 KB |
Output is correct |
17 |
Correct |
4 ms |
5708 KB |
Output is correct |
18 |
Correct |
4 ms |
5796 KB |
Output is correct |
19 |
Correct |
5 ms |
5708 KB |
Output is correct |
20 |
Correct |
4 ms |
5708 KB |
Output is correct |
21 |
Correct |
4 ms |
5708 KB |
Output is correct |
22 |
Correct |
109 ms |
5860 KB |
Output is correct |
23 |
Correct |
96 ms |
5864 KB |
Output is correct |
24 |
Correct |
83 ms |
5836 KB |
Output is correct |
25 |
Correct |
56 ms |
5836 KB |
Output is correct |
26 |
Correct |
31 ms |
5836 KB |
Output is correct |
27 |
Correct |
16 ms |
5836 KB |
Output is correct |
28 |
Correct |
6 ms |
5836 KB |
Output is correct |
29 |
Correct |
148 ms |
6044 KB |
Output is correct |
30 |
Correct |
66 ms |
5964 KB |
Output is correct |
31 |
Correct |
98 ms |
5836 KB |
Output is correct |
32 |
Correct |
52 ms |
5804 KB |
Output is correct |
33 |
Correct |
96 ms |
5800 KB |
Output is correct |
34 |
Correct |
54 ms |
5808 KB |
Output is correct |
35 |
Correct |
29 ms |
5880 KB |
Output is correct |
36 |
Correct |
15 ms |
5876 KB |
Output is correct |
37 |
Correct |
72 ms |
5868 KB |
Output is correct |
38 |
Correct |
52 ms |
5836 KB |
Output is correct |
39 |
Correct |
120 ms |
5948 KB |
Output is correct |
40 |
Correct |
63 ms |
5964 KB |
Output is correct |
41 |
Correct |
33 ms |
5968 KB |
Output is correct |
42 |
Correct |
59 ms |
5836 KB |
Output is correct |
43 |
Correct |
21 ms |
5836 KB |
Output is correct |
44 |
Correct |
109 ms |
5836 KB |
Output is correct |
45 |
Correct |
76 ms |
5900 KB |
Output is correct |
46 |
Correct |
53 ms |
5836 KB |
Output is correct |
47 |
Correct |
30 ms |
5864 KB |
Output is correct |
48 |
Correct |
100 ms |
5964 KB |
Output is correct |
49 |
Correct |
100 ms |
5964 KB |
Output is correct |
50 |
Correct |
97 ms |
5836 KB |
Output is correct |
51 |
Correct |
99 ms |
5904 KB |
Output is correct |
52 |
Correct |
101 ms |
5800 KB |
Output is correct |
53 |
Correct |
76 ms |
5920 KB |
Output is correct |
54 |
Correct |
97 ms |
5916 KB |
Output is correct |
55 |
Correct |
101 ms |
5836 KB |
Output is correct |
56 |
Correct |
6 ms |
5836 KB |
Output is correct |
57 |
Correct |
6 ms |
5964 KB |
Output is correct |
58 |
Correct |
68 ms |
5836 KB |
Output is correct |
59 |
Correct |
72 ms |
5804 KB |
Output is correct |
60 |
Correct |
6 ms |
5964 KB |
Output is correct |
61 |
Correct |
5 ms |
5796 KB |
Output is correct |
62 |
Correct |
7 ms |
5964 KB |
Output is correct |
63 |
Correct |
93 ms |
5808 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5708 KB |
Output is correct |
2 |
Correct |
4 ms |
5708 KB |
Output is correct |
3 |
Correct |
4 ms |
5796 KB |
Output is correct |
4 |
Correct |
4 ms |
5708 KB |
Output is correct |
5 |
Correct |
4 ms |
5760 KB |
Output is correct |
6 |
Correct |
4 ms |
5708 KB |
Output is correct |
7 |
Correct |
4 ms |
5788 KB |
Output is correct |
8 |
Correct |
4 ms |
5708 KB |
Output is correct |
9 |
Correct |
4 ms |
5708 KB |
Output is correct |
10 |
Correct |
4 ms |
5772 KB |
Output is correct |
11 |
Correct |
4 ms |
5708 KB |
Output is correct |
12 |
Correct |
4 ms |
5708 KB |
Output is correct |
13 |
Correct |
4 ms |
5708 KB |
Output is correct |
14 |
Correct |
4 ms |
5708 KB |
Output is correct |
15 |
Correct |
4 ms |
5708 KB |
Output is correct |
16 |
Correct |
4 ms |
5708 KB |
Output is correct |
17 |
Correct |
4 ms |
5708 KB |
Output is correct |
18 |
Correct |
4 ms |
5796 KB |
Output is correct |
19 |
Correct |
5 ms |
5708 KB |
Output is correct |
20 |
Correct |
4 ms |
5708 KB |
Output is correct |
21 |
Correct |
4 ms |
5708 KB |
Output is correct |
22 |
Correct |
109 ms |
5860 KB |
Output is correct |
23 |
Correct |
96 ms |
5864 KB |
Output is correct |
24 |
Correct |
83 ms |
5836 KB |
Output is correct |
25 |
Correct |
56 ms |
5836 KB |
Output is correct |
26 |
Correct |
31 ms |
5836 KB |
Output is correct |
27 |
Correct |
16 ms |
5836 KB |
Output is correct |
28 |
Correct |
6 ms |
5836 KB |
Output is correct |
29 |
Correct |
148 ms |
6044 KB |
Output is correct |
30 |
Correct |
66 ms |
5964 KB |
Output is correct |
31 |
Correct |
98 ms |
5836 KB |
Output is correct |
32 |
Correct |
52 ms |
5804 KB |
Output is correct |
33 |
Correct |
96 ms |
5800 KB |
Output is correct |
34 |
Correct |
54 ms |
5808 KB |
Output is correct |
35 |
Correct |
29 ms |
5880 KB |
Output is correct |
36 |
Correct |
15 ms |
5876 KB |
Output is correct |
37 |
Correct |
72 ms |
5868 KB |
Output is correct |
38 |
Correct |
52 ms |
5836 KB |
Output is correct |
39 |
Correct |
120 ms |
5948 KB |
Output is correct |
40 |
Correct |
63 ms |
5964 KB |
Output is correct |
41 |
Correct |
33 ms |
5968 KB |
Output is correct |
42 |
Correct |
59 ms |
5836 KB |
Output is correct |
43 |
Correct |
21 ms |
5836 KB |
Output is correct |
44 |
Correct |
109 ms |
5836 KB |
Output is correct |
45 |
Correct |
76 ms |
5900 KB |
Output is correct |
46 |
Correct |
53 ms |
5836 KB |
Output is correct |
47 |
Correct |
30 ms |
5864 KB |
Output is correct |
48 |
Correct |
100 ms |
5964 KB |
Output is correct |
49 |
Correct |
100 ms |
5964 KB |
Output is correct |
50 |
Correct |
97 ms |
5836 KB |
Output is correct |
51 |
Correct |
99 ms |
5904 KB |
Output is correct |
52 |
Correct |
101 ms |
5800 KB |
Output is correct |
53 |
Correct |
76 ms |
5920 KB |
Output is correct |
54 |
Correct |
97 ms |
5916 KB |
Output is correct |
55 |
Correct |
101 ms |
5836 KB |
Output is correct |
56 |
Correct |
6 ms |
5836 KB |
Output is correct |
57 |
Correct |
6 ms |
5964 KB |
Output is correct |
58 |
Correct |
68 ms |
5836 KB |
Output is correct |
59 |
Correct |
72 ms |
5804 KB |
Output is correct |
60 |
Correct |
6 ms |
5964 KB |
Output is correct |
61 |
Correct |
5 ms |
5796 KB |
Output is correct |
62 |
Correct |
7 ms |
5964 KB |
Output is correct |
63 |
Correct |
93 ms |
5808 KB |
Output is correct |
64 |
Execution timed out |
1574 ms |
15500 KB |
Time limit exceeded |
65 |
Halted |
0 ms |
0 KB |
- |