oj.uz

Submission #768822

# Submission time Handle Problem Language Result Execution time Memory
768822 2023-06-28T17:24:46 Z jmyszka2007 Power Plant (JOI20_power) C++17
100 / 100
 123 ms 33192 KB 
#include <bits/stdc++.h>
using namespace std;
#define vi vector<int>
#define pb push_back
constexpr int LIM = 2e5;
int dp[LIM + 10][2];
bool czy[LIM + 10];
int cnt[LIM + 10];
vi g[LIM + 10];
void cntdp(int v, int o) {
	if(czy[v]) {
		cnt[v] = 1;
	}
	int sum0 = 0, sum1 = 0;
	int mx0 = 0, mx1 = 0;
	for(auto x : g[v]) {
		if(x != o) {
			cntdp(x, v);
			cnt[v] += cnt[x];
			mx0 = max(mx0, dp[x][0]);
			mx1 = max(mx1, dp[x][1]);
			sum0 += dp[x][0];
			sum1 += dp[x][1];
		}
	}
	//dp[v][0] - nie wchodzi od gory
	//dp[v][1] - wchodzi od gory
	int ile = 0;
	for(auto x : g[v]) {
		if(x != o) {
			if(cnt[v]) {
				ile++;
			}
		}
	}
	if(czy[v]) {
		dp[v][0] = max({mx1 + 1, mx0, sum1 - 1});
		dp[v][1] = max(sum1 - 1, 1);
	}
	else {
		dp[v][0] = max({mx0, sum1});
		dp[v][1] = sum1;
	}
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	for(int i = 1; i < n; i++) {
		int a, b;
		cin >> a >> b;
		g[a].pb(b);
		g[b].pb(a);
	}
	string tmp;
	cin >> tmp;
	for(int i = 1; i <= n; i++) {
		if(tmp[i - 1] == '1') {
			czy[i] = 1;
		}
	}
	cntdp(1, 1);
	cout << dp[1][0] << '\n';
}

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 2 ms 4948 KB Output is correct
5 Correct 2 ms 5032 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 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 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 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 2 ms 4948 KB Output is correct
5 Correct 2 ms 5032 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 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 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 4 ms 5040 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 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 5036 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5164 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 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5204 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5180 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5168 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5188 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5144 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 5132 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5040 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5040 KB Output is correct
62 Correct 3 ms 5164 KB Output is correct
63 Correct 3 ms 5036 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 2 ms 4948 KB Output is correct
5 Correct 2 ms 5032 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 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 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 4 ms 5040 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 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 5036 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5164 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 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5204 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5180 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5168 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5188 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5144 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 5132 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5040 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5040 KB Output is correct
62 Correct 3 ms 5164 KB Output is correct
63 Correct 3 ms 5036 KB Output is correct
64 Correct 73 ms 16912 KB Output is correct
65 Correct 85 ms 16968 KB Output is correct
66 Correct 87 ms 16864 KB Output is correct
67 Correct 73 ms 16932 KB Output is correct
68 Correct 106 ms 16908 KB Output is correct
69 Correct 100 ms 16900 KB Output is correct
70 Correct 74 ms 16912 KB Output is correct
71 Correct 73 ms 16900 KB Output is correct
72 Correct 74 ms 16728 KB Output is correct
73 Correct 123 ms 32084 KB Output is correct
74 Correct 93 ms 32012 KB Output is correct
75 Correct 93 ms 16856 KB Output is correct
76 Correct 82 ms 16832 KB Output is correct
77 Correct 82 ms 16776 KB Output is correct
78 Correct 78 ms 16808 KB Output is correct
79 Correct 71 ms 16800 KB Output is correct
80 Correct 65 ms 16792 KB Output is correct
81 Correct 72 ms 17300 KB Output is correct
82 Correct 68 ms 16996 KB Output is correct
83 Correct 83 ms 23052 KB Output is correct
84 Correct 95 ms 25556 KB Output is correct
85 Correct 117 ms 25196 KB Output is correct
86 Correct 77 ms 18572 KB Output is correct
87 Correct 85 ms 17868 KB Output is correct
88 Correct 71 ms 18248 KB Output is correct
89 Correct 82 ms 18296 KB Output is correct
90 Correct 81 ms 18068 KB Output is correct
91 Correct 75 ms 18284 KB Output is correct
92 Correct 72 ms 18744 KB Output is correct
93 Correct 84 ms 21668 KB Output is correct
94 Correct 69 ms 23764 KB Output is correct
95 Correct 73 ms 22072 KB Output is correct
96 Correct 72 ms 20024 KB Output is correct
97 Correct 70 ms 18160 KB Output is correct
98 Correct 70 ms 17556 KB Output is correct
99 Correct 85 ms 17236 KB Output is correct
100 Correct 81 ms 21028 KB Output is correct
101 Correct 72 ms 18624 KB Output is correct
102 Correct 64 ms 17804 KB Output is correct
103 Correct 73 ms 17544 KB Output is correct
104 Correct 47 ms 16836 KB Output is correct
105 Correct 84 ms 28076 KB Output is correct
106 Correct 49 ms 17724 KB Output is correct
107 Correct 53 ms 17668 KB Output is correct
108 Correct 101 ms 32848 KB Output is correct
109 Correct 47 ms 16876 KB Output is correct
110 Correct 95 ms 33192 KB Output is correct
111 Correct 66 ms 16804 KB Output is correct