oj.uz

Submission #618218

# Submission time Handle Problem Language Result Execution time Memory
618218 2022-08-02T03:23:29 Z penguinhacker Power Plant (JOI20_power) C++17
100 / 100
 148 ms 28896 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=2e5;
int n, ans, dp[mxN];
string s;
vector<int> adj[mxN];

void dfs(int u=0, int p=-1) {
	int mx=0;
	dp[u]='0'-s[u];
	for (int v : adj[u])
		if (v!=p) {
			dfs(v, u);
			dp[u]+=max(dp[v], 0);
			mx=max(mx, dp[v]);
		}
	ans=max(ans, mx+(s[u]=='1'));
	if (s[u]=='1')
		dp[u]=max(dp[u], 1);
	ans=max(ans, dp[u]);
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for (int i=1; i<n; ++i) {
		int u, v;
		cin >> u >> v, --u, --v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	cin >> s;
	dfs();
	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 3 ms 4948 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 3 ms 5028 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 4 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5028 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 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 5024 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 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 3 ms 4948 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 3 ms 5028 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 4 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5028 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 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 5024 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 4 ms 5060 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 4 ms 5204 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 4 ms 5036 KB Output is correct
35 Correct 5 ms 5076 KB Output is correct
36 Correct 4 ms 5016 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5168 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5160 KB Output is correct
42 Correct 4 ms 5204 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 4 ms 5076 KB Output is correct
47 Correct 5 ms 5036 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 5 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5040 KB Output is correct
55 Correct 3 ms 5084 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 4 ms 5036 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 5220 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 3 ms 4948 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 3 ms 5028 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 4 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5028 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 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 5024 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 4 ms 5060 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 4 ms 5204 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 4 ms 5036 KB Output is correct
35 Correct 5 ms 5076 KB Output is correct
36 Correct 4 ms 5016 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5168 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5160 KB Output is correct
42 Correct 4 ms 5204 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 4 ms 5076 KB Output is correct
47 Correct 5 ms 5036 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 5 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5040 KB Output is correct
55 Correct 3 ms 5084 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 4 ms 5036 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 5220 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 116 ms 15156 KB Output is correct
65 Correct 131 ms 15088 KB Output is correct
66 Correct 121 ms 15096 KB Output is correct
67 Correct 112 ms 15176 KB Output is correct
68 Correct 123 ms 15132 KB Output is correct
69 Correct 138 ms 15108 KB Output is correct
70 Correct 105 ms 15132 KB Output is correct
71 Correct 114 ms 15344 KB Output is correct
72 Correct 107 ms 15112 KB Output is correct
73 Correct 146 ms 27740 KB Output is correct
74 Correct 128 ms 27816 KB Output is correct
75 Correct 138 ms 15072 KB Output is correct
76 Correct 120 ms 15060 KB Output is correct
77 Correct 123 ms 15028 KB Output is correct
78 Correct 109 ms 15028 KB Output is correct
79 Correct 140 ms 15024 KB Output is correct
80 Correct 130 ms 15028 KB Output is correct
81 Correct 101 ms 15516 KB Output is correct
82 Correct 104 ms 15184 KB Output is correct
83 Correct 139 ms 20280 KB Output is correct
84 Correct 134 ms 22428 KB Output is correct
85 Correct 124 ms 22088 KB Output is correct
86 Correct 113 ms 16464 KB Output is correct
87 Correct 110 ms 15912 KB Output is correct
88 Correct 108 ms 16320 KB Output is correct
89 Correct 119 ms 16376 KB Output is correct
90 Correct 117 ms 16236 KB Output is correct
91 Correct 108 ms 16456 KB Output is correct
92 Correct 112 ms 16728 KB Output is correct
93 Correct 140 ms 19040 KB Output is correct
94 Correct 106 ms 20888 KB Output is correct
95 Correct 98 ms 19524 KB Output is correct
96 Correct 128 ms 17724 KB Output is correct
97 Correct 113 ms 16168 KB Output is correct
98 Correct 96 ms 15688 KB Output is correct
99 Correct 114 ms 15488 KB Output is correct
100 Correct 108 ms 18680 KB Output is correct
101 Correct 114 ms 16712 KB Output is correct
102 Correct 108 ms 15864 KB Output is correct
103 Correct 103 ms 15720 KB Output is correct
104 Correct 74 ms 16056 KB Output is correct
105 Correct 148 ms 24568 KB Output is correct
106 Correct 67 ms 15936 KB Output is correct
107 Correct 87 ms 16056 KB Output is correct
108 Correct 134 ms 28504 KB Output is correct
109 Correct 70 ms 15992 KB Output is correct
110 Correct 122 ms 28896 KB Output is correct
111 Correct 103 ms 15048 KB Output is correct