oj.uz

Submission #645024

# Submission time Handle Problem Language Result Execution time Memory
645024 2022-09-26T00:17:26 Z Markomafko972 Power Plant (JOI20_power) C++14
100 / 100
 177 ms 28480 KB 
#include <bits/stdc++.h>
#define X first
#define Y second
#define pb push_back
#define pii pair<int, int>
typedef long long ll;
using namespace std;

const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int OFF = (1 << 20);

int n, a, b, sol = 0;
char c;
vector<int> v[200005];
int val[200005];

int rek(int x, int prt) {
	int tren = 0;
	for (int i = 0; i < (int)v[x].size(); i++) {
		if (prt == v[x][i]) continue;
		int sad = rek(v[x][i], x); 
		tren += sad;
		
		//cout << x << " " << v[x][i] << " " << sad << endl;
		if (val[x] == 1) sol = max(sol, sad+1);
	}
	
	if (val[x] == 0) {
		sol = max(sol, tren);
		return tren;
	}
	else {
		sol = max(sol, 1);
		sol = max(sol, tren-1);
		return max(tren-1, 1);
	}
}

int main () {

	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	cin >> n;
	for (int i = 0; i < n-1; i++) {
		cin >> a >> b;
		v[a].push_back(b);
		v[b].push_back(a);
	}
	
	for (int i = 1; i <= n; i++) {
		cin >> c;
		val[i] = c - '0';
	}
	
	rek(1, 0);
	cout << sol;

	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 5020 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 3 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4924 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 5020 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 3 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4924 KB Output is correct
22 Correct 3 ms 5120 KB Output is correct
23 Correct 4 ms 5032 KB Output is correct
24 Correct 5 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 5 ms 5076 KB Output is correct
27 Correct 4 ms 5036 KB Output is correct
28 Correct 3 ms 5036 KB Output is correct
29 Correct 3 ms 5160 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 5 ms 5036 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5036 KB Output is correct
36 Correct 4 ms 5060 KB Output is correct
37 Correct 4 ms 5084 KB Output is correct
38 Correct 3 ms 5036 KB Output is correct
39 Correct 3 ms 5164 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5084 KB Output is correct
43 Correct 4 ms 5128 KB Output is correct
44 Correct 4 ms 5044 KB Output is correct
45 Correct 5 ms 5076 KB Output is correct
46 Correct 4 ms 5204 KB Output is correct
47 Correct 4 ms 5080 KB Output is correct
48 Correct 3 ms 5120 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 5 ms 5152 KB Output is correct
52 Correct 4 ms 5076 KB Output is correct
53 Correct 4 ms 5036 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 5032 KB Output is correct
57 Correct 5 ms 5204 KB Output is correct
58 Correct 4 ms 5084 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5052 KB Output is correct
62 Correct 3 ms 5168 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 5020 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 3 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4924 KB Output is correct
22 Correct 3 ms 5120 KB Output is correct
23 Correct 4 ms 5032 KB Output is correct
24 Correct 5 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 5 ms 5076 KB Output is correct
27 Correct 4 ms 5036 KB Output is correct
28 Correct 3 ms 5036 KB Output is correct
29 Correct 3 ms 5160 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 5 ms 5036 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5036 KB Output is correct
36 Correct 4 ms 5060 KB Output is correct
37 Correct 4 ms 5084 KB Output is correct
38 Correct 3 ms 5036 KB Output is correct
39 Correct 3 ms 5164 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5084 KB Output is correct
43 Correct 4 ms 5128 KB Output is correct
44 Correct 4 ms 5044 KB Output is correct
45 Correct 5 ms 5076 KB Output is correct
46 Correct 4 ms 5204 KB Output is correct
47 Correct 4 ms 5080 KB Output is correct
48 Correct 3 ms 5120 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 5 ms 5152 KB Output is correct
52 Correct 4 ms 5076 KB Output is correct
53 Correct 4 ms 5036 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 5032 KB Output is correct
57 Correct 5 ms 5204 KB Output is correct
58 Correct 4 ms 5084 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5052 KB Output is correct
62 Correct 3 ms 5168 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct
64 Correct 121 ms 14796 KB Output is correct
65 Correct 128 ms 14864 KB Output is correct
66 Correct 139 ms 14876 KB Output is correct
67 Correct 146 ms 14880 KB Output is correct
68 Correct 149 ms 14848 KB Output is correct
69 Correct 117 ms 14780 KB Output is correct
70 Correct 158 ms 14796 KB Output is correct
71 Correct 156 ms 14904 KB Output is correct
72 Correct 158 ms 14812 KB Output is correct
73 Correct 177 ms 27452 KB Output is correct
74 Correct 173 ms 27360 KB Output is correct
75 Correct 156 ms 14760 KB Output is correct
76 Correct 146 ms 14732 KB Output is correct
77 Correct 148 ms 14784 KB Output is correct
78 Correct 159 ms 14776 KB Output is correct
79 Correct 167 ms 14656 KB Output is correct
80 Correct 164 ms 14772 KB Output is correct
81 Correct 119 ms 15104 KB Output is correct
82 Correct 122 ms 14856 KB Output is correct
83 Correct 159 ms 19980 KB Output is correct
84 Correct 133 ms 22068 KB Output is correct
85 Correct 147 ms 21700 KB Output is correct
86 Correct 137 ms 16172 KB Output is correct
87 Correct 132 ms 15548 KB Output is correct
88 Correct 112 ms 16088 KB Output is correct
89 Correct 114 ms 16044 KB Output is correct
90 Correct 154 ms 15904 KB Output is correct
91 Correct 119 ms 16088 KB Output is correct
92 Correct 115 ms 16420 KB Output is correct
93 Correct 121 ms 18768 KB Output is correct
94 Correct 142 ms 20396 KB Output is correct
95 Correct 116 ms 19224 KB Output is correct
96 Correct 109 ms 17460 KB Output is correct
97 Correct 102 ms 15972 KB Output is correct
98 Correct 113 ms 15400 KB Output is correct
99 Correct 128 ms 15220 KB Output is correct
100 Correct 108 ms 18364 KB Output is correct
101 Correct 104 ms 16332 KB Output is correct
102 Correct 134 ms 15708 KB Output is correct
103 Correct 117 ms 15432 KB Output is correct
104 Correct 63 ms 15640 KB Output is correct
105 Correct 120 ms 24300 KB Output is correct
106 Correct 61 ms 15356 KB Output is correct
107 Correct 69 ms 15436 KB Output is correct
108 Correct 151 ms 28136 KB Output is correct
109 Correct 66 ms 15660 KB Output is correct
110 Correct 128 ms 28480 KB Output is correct
111 Correct 98 ms 14668 KB Output is correct