oj.uz

Submission #765319

# Submission time Handle Problem Language Result Execution time Memory
765319 2023-06-24T10:42:43 Z siewjh Power Plant (JOI20_power) C++17
100 / 100
 125 ms 25292 KB 
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstring>
using namespace std;
const int MAXN = 200'005;
vector<int> adjlist[MAXN];
string str;
int ans = 0;
int dfs(int x, int par) {
	int take = 0, notake = 0;
	if (str[x] == '1') {
		notake--;
		for (int nxt : adjlist[x]) {
			if (nxt == par) continue;
			int val = dfs(nxt, x);
			take = max(take, val);
			notake += val;
		}
		ans = max(ans, max(notake, take + 1));
		return max(notake, 1);
	}
	else {
		for (int nxt : adjlist[x]) {
			if (nxt == par) continue;
			int val = dfs(nxt, x);
			notake += val;
		}
		ans = max(ans, notake);
		return notake;
	}
}
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	int nodes; cin >> nodes;
	for (int i = 0; i < nodes - 1; i++) {
		int a, b; cin >> a >> b;
		adjlist[a].push_back(b);
		adjlist[b].push_back(a);
	}
	cin >> str;
	str = ' ' + str;
	dfs(1, -1);
	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 2 ms 5020 KB Output is correct
3 Correct 2 ms 5020 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 3 ms 5020 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5020 KB Output is correct
11 Correct 3 ms 5020 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5020 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 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 5024 KB Output is correct
21 Correct 3 ms 5020 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 2 ms 5020 KB Output is correct
3 Correct 2 ms 5020 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 3 ms 5020 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5020 KB Output is correct
11 Correct 3 ms 5020 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5020 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 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 5024 KB Output is correct
21 Correct 3 ms 5020 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5060 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 3 ms 5024 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5080 KB Output is correct
31 Correct 3 ms 5032 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5032 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5064 KB Output is correct
37 Correct 3 ms 5036 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5028 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 5 ms 5204 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5072 KB Output is correct
46 Correct 3 ms 5036 KB Output is correct
47 Correct 3 ms 5032 KB Output is correct
48 Correct 4 ms 5076 KB Output is correct
49 Correct 3 ms 5080 KB Output is correct
50 Correct 4 ms 5032 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 4 ms 5032 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 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 3 ms 5160 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5160 KB Output is correct
63 Correct 4 ms 5008 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 2 ms 5020 KB Output is correct
3 Correct 2 ms 5020 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4952 KB Output is correct
6 Correct 3 ms 5020 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5020 KB Output is correct
11 Correct 3 ms 5020 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5020 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 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 5024 KB Output is correct
21 Correct 3 ms 5020 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5060 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 3 ms 5024 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5080 KB Output is correct
31 Correct 3 ms 5032 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5032 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5064 KB Output is correct
37 Correct 3 ms 5036 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5028 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 5 ms 5204 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5072 KB Output is correct
46 Correct 3 ms 5036 KB Output is correct
47 Correct 3 ms 5032 KB Output is correct
48 Correct 4 ms 5076 KB Output is correct
49 Correct 3 ms 5080 KB Output is correct
50 Correct 4 ms 5032 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 4 ms 5032 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 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 3 ms 5160 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5160 KB Output is correct
63 Correct 4 ms 5008 KB Output is correct
64 Correct 99 ms 14516 KB Output is correct
65 Correct 72 ms 14524 KB Output is correct
66 Correct 103 ms 14556 KB Output is correct
67 Correct 80 ms 14604 KB Output is correct
68 Correct 101 ms 14552 KB Output is correct
69 Correct 94 ms 14508 KB Output is correct
70 Correct 69 ms 14548 KB Output is correct
71 Correct 108 ms 14592 KB Output is correct
72 Correct 101 ms 14520 KB Output is correct
73 Correct 123 ms 24428 KB Output is correct
74 Correct 77 ms 24324 KB Output is correct
75 Correct 101 ms 14488 KB Output is correct
76 Correct 111 ms 14456 KB Output is correct
77 Correct 81 ms 14472 KB Output is correct
78 Correct 61 ms 14476 KB Output is correct
79 Correct 59 ms 14464 KB Output is correct
80 Correct 94 ms 14440 KB Output is correct
81 Correct 78 ms 14700 KB Output is correct
82 Correct 83 ms 14624 KB Output is correct
83 Correct 70 ms 18392 KB Output is correct
84 Correct 125 ms 20092 KB Output is correct
85 Correct 87 ms 19916 KB Output is correct
86 Correct 94 ms 15388 KB Output is correct
87 Correct 61 ms 14964 KB Output is correct
88 Correct 61 ms 15396 KB Output is correct
89 Correct 71 ms 15448 KB Output is correct
90 Correct 67 ms 15272 KB Output is correct
91 Correct 76 ms 15512 KB Output is correct
92 Correct 62 ms 15752 KB Output is correct
93 Correct 59 ms 17560 KB Output is correct
94 Correct 96 ms 19028 KB Output is correct
95 Correct 83 ms 17888 KB Output is correct
96 Correct 69 ms 16488 KB Output is correct
97 Correct 85 ms 15292 KB Output is correct
98 Correct 81 ms 15072 KB Output is correct
99 Correct 67 ms 14884 KB Output is correct
100 Correct 72 ms 17328 KB Output is correct
101 Correct 64 ms 15684 KB Output is correct
102 Correct 57 ms 15068 KB Output is correct
103 Correct 97 ms 15056 KB Output is correct
104 Correct 46 ms 15280 KB Output is correct
105 Correct 73 ms 21844 KB Output is correct
106 Correct 44 ms 15164 KB Output is correct
107 Correct 59 ms 15160 KB Output is correct
108 Correct 73 ms 25068 KB Output is correct
109 Correct 73 ms 15256 KB Output is correct
110 Correct 118 ms 25292 KB Output is correct
111 Correct 97 ms 14464 KB Output is correct