oj.uz

답안 #951807

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
951807 2024-03-22T16:54:14 Z dio_2 Power Plant (JOI20_power) C++17
100 / 100
 91 ms 28708 KB 
#include<bits/stdc++.h>
using namespace std;

const int nax = (int)2e5 + 10;
bool isGen[nax];
vector<int> g[nax];
int ans;
int dp[nax];

void dfs(int u, int par){
	if(isGen[u]){
		int best = 0;
		for(int v : g[u]) if(v != par){
			dfs(v, u);
			dp[u] += dp[v];
			best = max(best, dp[v] + 1); // use the Generator on v.
		}
		ans = max(ans, best);
		dp[u]--; // because i have generator and it will break
		dp[u] = max(dp[u], 1); // it will break only if i have > 2.
	} else {
		for(int v : g[u]) if(v != par){
			dfs(v, u);
			dp[u] += dp[v];
		}
	}
	ans = max(ans, dp[u]);
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	
	int n;
	cin >> n;
	
	for(int i = 1;i < n;i++){
		int a, b;
		cin >> a >> b;
		g[a].push_back(b);
		g[b].push_back(a);
	}
	
	for(int i = 1;i <= n;i++){
		char c; cin >> c;
		if(c == '1') isGen[i] = 1;
	}
	
	dfs(1, -1);
	
	cout << ans << '\n';
	
	return 0;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5720 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 2 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 1 ms 5724 KB Output is correct
6 Correct 2 ms 5724 KB Output is correct
7 Correct 2 ms 5724 KB Output is correct
8 Correct 2 ms 5720 KB Output is correct
9 Correct 1 ms 5724 KB Output is correct
10 Correct 2 ms 5720 KB Output is correct
11 Correct 2 ms 5720 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 1 ms 5724 KB Output is correct
15 Correct 2 ms 5724 KB Output is correct
16 Correct 2 ms 5724 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 2 ms 5724 KB Output is correct
19 Correct 1 ms 5724 KB Output is correct
20 Correct 2 ms 5756 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5720 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 2 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 1 ms 5724 KB Output is correct
6 Correct 2 ms 5724 KB Output is correct
7 Correct 2 ms 5724 KB Output is correct
8 Correct 2 ms 5720 KB Output is correct
9 Correct 1 ms 5724 KB Output is correct
10 Correct 2 ms 5720 KB Output is correct
11 Correct 2 ms 5720 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 1 ms 5724 KB Output is correct
15 Correct 2 ms 5724 KB Output is correct
16 Correct 2 ms 5724 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 2 ms 5724 KB Output is correct
19 Correct 1 ms 5724 KB Output is correct
20 Correct 2 ms 5756 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct
22 Correct 2 ms 5720 KB Output is correct
23 Correct 2 ms 5720 KB Output is correct
24 Correct 2 ms 5720 KB Output is correct
25 Correct 2 ms 5724 KB Output is correct
26 Correct 2 ms 5724 KB Output is correct
27 Correct 2 ms 5724 KB Output is correct
28 Correct 2 ms 5724 KB Output is correct
29 Correct 3 ms 5724 KB Output is correct
30 Correct 2 ms 5812 KB Output is correct
31 Correct 2 ms 5720 KB Output is correct
32 Correct 2 ms 5724 KB Output is correct
33 Correct 2 ms 5724 KB Output is correct
34 Correct 2 ms 5720 KB Output is correct
35 Correct 2 ms 5724 KB Output is correct
36 Correct 2 ms 5840 KB Output is correct
37 Correct 2 ms 5848 KB Output is correct
38 Correct 2 ms 5724 KB Output is correct
39 Correct 2 ms 5720 KB Output is correct
40 Correct 2 ms 5724 KB Output is correct
41 Correct 2 ms 5724 KB Output is correct
42 Correct 2 ms 5880 KB Output is correct
43 Correct 2 ms 5724 KB Output is correct
44 Correct 2 ms 5720 KB Output is correct
45 Correct 2 ms 5724 KB Output is correct
46 Correct 2 ms 5724 KB Output is correct
47 Correct 2 ms 5724 KB Output is correct
48 Correct 2 ms 5724 KB Output is correct
49 Correct 2 ms 5724 KB Output is correct
50 Correct 2 ms 5724 KB Output is correct
51 Correct 2 ms 5724 KB Output is correct
52 Correct 2 ms 5724 KB Output is correct
53 Correct 2 ms 5724 KB Output is correct
54 Correct 2 ms 5724 KB Output is correct
55 Correct 2 ms 5724 KB Output is correct
56 Correct 2 ms 5724 KB Output is correct
57 Correct 2 ms 5980 KB Output is correct
58 Correct 2 ms 5724 KB Output is correct
59 Correct 2 ms 5724 KB Output is correct
60 Correct 2 ms 5724 KB Output is correct
61 Correct 2 ms 5724 KB Output is correct
62 Correct 2 ms 5768 KB Output is correct
63 Correct 2 ms 5724 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5720 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 2 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 1 ms 5724 KB Output is correct
6 Correct 2 ms 5724 KB Output is correct
7 Correct 2 ms 5724 KB Output is correct
8 Correct 2 ms 5720 KB Output is correct
9 Correct 1 ms 5724 KB Output is correct
10 Correct 2 ms 5720 KB Output is correct
11 Correct 2 ms 5720 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 1 ms 5724 KB Output is correct
15 Correct 2 ms 5724 KB Output is correct
16 Correct 2 ms 5724 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 2 ms 5724 KB Output is correct
19 Correct 1 ms 5724 KB Output is correct
20 Correct 2 ms 5756 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct
22 Correct 2 ms 5720 KB Output is correct
23 Correct 2 ms 5720 KB Output is correct
24 Correct 2 ms 5720 KB Output is correct
25 Correct 2 ms 5724 KB Output is correct
26 Correct 2 ms 5724 KB Output is correct
27 Correct 2 ms 5724 KB Output is correct
28 Correct 2 ms 5724 KB Output is correct
29 Correct 3 ms 5724 KB Output is correct
30 Correct 2 ms 5812 KB Output is correct
31 Correct 2 ms 5720 KB Output is correct
32 Correct 2 ms 5724 KB Output is correct
33 Correct 2 ms 5724 KB Output is correct
34 Correct 2 ms 5720 KB Output is correct
35 Correct 2 ms 5724 KB Output is correct
36 Correct 2 ms 5840 KB Output is correct
37 Correct 2 ms 5848 KB Output is correct
38 Correct 2 ms 5724 KB Output is correct
39 Correct 2 ms 5720 KB Output is correct
40 Correct 2 ms 5724 KB Output is correct
41 Correct 2 ms 5724 KB Output is correct
42 Correct 2 ms 5880 KB Output is correct
43 Correct 2 ms 5724 KB Output is correct
44 Correct 2 ms 5720 KB Output is correct
45 Correct 2 ms 5724 KB Output is correct
46 Correct 2 ms 5724 KB Output is correct
47 Correct 2 ms 5724 KB Output is correct
48 Correct 2 ms 5724 KB Output is correct
49 Correct 2 ms 5724 KB Output is correct
50 Correct 2 ms 5724 KB Output is correct
51 Correct 2 ms 5724 KB Output is correct
52 Correct 2 ms 5724 KB Output is correct
53 Correct 2 ms 5724 KB Output is correct
54 Correct 2 ms 5724 KB Output is correct
55 Correct 2 ms 5724 KB Output is correct
56 Correct 2 ms 5724 KB Output is correct
57 Correct 2 ms 5980 KB Output is correct
58 Correct 2 ms 5724 KB Output is correct
59 Correct 2 ms 5724 KB Output is correct
60 Correct 2 ms 5724 KB Output is correct
61 Correct 2 ms 5724 KB Output is correct
62 Correct 2 ms 5768 KB Output is correct
63 Correct 2 ms 5724 KB Output is correct
64 Correct 84 ms 15444 KB Output is correct
65 Correct 67 ms 15188 KB Output is correct
66 Correct 65 ms 15188 KB Output is correct
67 Correct 62 ms 15092 KB Output is correct
68 Correct 65 ms 15184 KB Output is correct
69 Correct 65 ms 14980 KB Output is correct
70 Correct 59 ms 15204 KB Output is correct
71 Correct 70 ms 15096 KB Output is correct
72 Correct 60 ms 14928 KB Output is correct
73 Correct 91 ms 27724 KB Output is correct
74 Correct 82 ms 27732 KB Output is correct
75 Correct 57 ms 15024 KB Output is correct
76 Correct 67 ms 14932 KB Output is correct
77 Correct 63 ms 14904 KB Output is correct
78 Correct 63 ms 15092 KB Output is correct
79 Correct 58 ms 14888 KB Output is correct
80 Correct 59 ms 14940 KB Output is correct
81 Correct 58 ms 15320 KB Output is correct
82 Correct 61 ms 15312 KB Output is correct
83 Correct 71 ms 20304 KB Output is correct
84 Correct 88 ms 22500 KB Output is correct
85 Correct 86 ms 21996 KB Output is correct
86 Correct 64 ms 16468 KB Output is correct
87 Correct 62 ms 15952 KB Output is correct
88 Correct 60 ms 16212 KB Output is correct
89 Correct 77 ms 16288 KB Output is correct
90 Correct 67 ms 16208 KB Output is correct
91 Correct 68 ms 16384 KB Output is correct
92 Correct 62 ms 16720 KB Output is correct
93 Correct 60 ms 18932 KB Output is correct
94 Correct 61 ms 20676 KB Output is correct
95 Correct 63 ms 19524 KB Output is correct
96 Correct 58 ms 17672 KB Output is correct
97 Correct 54 ms 16208 KB Output is correct
98 Correct 56 ms 15700 KB Output is correct
99 Correct 73 ms 15952 KB Output is correct
100 Correct 60 ms 18512 KB Output is correct
101 Correct 71 ms 16692 KB Output is correct
102 Correct 55 ms 15884 KB Output is correct
103 Correct 56 ms 15696 KB Output is correct
104 Correct 43 ms 15568 KB Output is correct
105 Correct 75 ms 24404 KB Output is correct
106 Correct 41 ms 15560 KB Output is correct
107 Correct 42 ms 15556 KB Output is correct
108 Correct 79 ms 28240 KB Output is correct
109 Correct 48 ms 15608 KB Output is correct
110 Correct 79 ms 28708 KB Output is correct
111 Correct 54 ms 14928 KB Output is correct