oj.uz

Submission #899024

# Submission time Handle Problem Language Result Execution time Memory
899024 2024-01-05T11:01:29 Z penguin133 Power Plant (JOI20_power) C++17
100 / 100
 184 ms 24192 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
int dp[200005],ans;
char A[200005];
vector<int>v[200005];
void dfs(int p, int x){
	for(int i=0;i<v[p].size();i++)if(v[p][i] - x)dfs(v[p][i], p);
	if(A[p] - '0'){
		for(int i=0;i<v[p].size();i++)if(v[p][i] - x)dp[p] += dp[v[p][i]], ans = max(ans, dp[v[p][i]] + 1);
		dp[p]--;
		dp[p] = max(1ll, dp[p]);
	}
	else for(int i=0;i<v[p].size();i++)if(v[p][i] - x)dp[p] += dp[v[p][i]];
}
main(){
	int n;cin >> n;
	for(int i=1;i<n;i++){
		int a,b;
		cin >> a >> b;
		v[a].push_back(b);
		v[b].push_back(a);
	}
	for(int i=1;i<=n;i++)cin >> A[i];
	dfs(1, -1);
	for(int i=1;i<=n;i++)ans = max(ans, dp[i]);
	cout << ans;
}

Compilation message

power.cpp: In function 'void dfs(long long int, long long int)':
power.cpp:9:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for(int i=0;i<v[p].size();i++)if(v[p][i] - x)dfs(v[p][i], p);
      |              ~^~~~~~~~~~~~
power.cpp:11:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |   for(int i=0;i<v[p].size();i++)if(v[p][i] - x)dp[p] += dp[v[p][i]], ans = max(ans, dp[v[p][i]] + 1);
      |               ~^~~~~~~~~~~~
power.cpp:15:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  else for(int i=0;i<v[p].size();i++)if(v[p][i] - x)dp[p] += dp[v[p][i]];
      |                   ~^~~~~~~~~~~~
power.cpp: At global scope:
power.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main(){
      | ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 1 ms 6744 KB Output is correct
3 Correct 2 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 2 ms 6744 KB Output is correct
7 Correct 2 ms 6748 KB Output is correct
8 Correct 2 ms 7412 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 2 ms 6780 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 1 ms 6748 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 2 ms 6744 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 1 ms 6744 KB Output is correct
3 Correct 2 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 2 ms 6744 KB Output is correct
7 Correct 2 ms 6748 KB Output is correct
8 Correct 2 ms 7412 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 2 ms 6780 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 1 ms 6748 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 2 ms 6744 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 3 ms 6748 KB Output is correct
23 Correct 2 ms 6804 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 4 ms 7000 KB Output is correct
26 Correct 3 ms 6796 KB Output is correct
27 Correct 2 ms 6748 KB Output is correct
28 Correct 2 ms 6832 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct
30 Correct 2 ms 6748 KB Output is correct
31 Correct 2 ms 6748 KB Output is correct
32 Correct 2 ms 6788 KB Output is correct
33 Correct 3 ms 6748 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 3 ms 6768 KB Output is correct
36 Correct 2 ms 6744 KB Output is correct
37 Correct 2 ms 6748 KB Output is correct
38 Correct 2 ms 6748 KB Output is correct
39 Correct 2 ms 6748 KB Output is correct
40 Correct 2 ms 6748 KB Output is correct
41 Correct 2 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 2 ms 6748 KB Output is correct
44 Correct 2 ms 6796 KB Output is correct
45 Correct 2 ms 6748 KB Output is correct
46 Correct 2 ms 6748 KB Output is correct
47 Correct 2 ms 6748 KB Output is correct
48 Correct 2 ms 6748 KB Output is correct
49 Correct 2 ms 6748 KB Output is correct
50 Correct 3 ms 6748 KB Output is correct
51 Correct 2 ms 6748 KB Output is correct
52 Correct 2 ms 6748 KB Output is correct
53 Correct 3 ms 6748 KB Output is correct
54 Correct 4 ms 6900 KB Output is correct
55 Correct 2 ms 6748 KB Output is correct
56 Correct 3 ms 6748 KB Output is correct
57 Correct 2 ms 6748 KB Output is correct
58 Correct 2 ms 6748 KB Output is correct
59 Correct 2 ms 6748 KB Output is correct
60 Correct 2 ms 6748 KB Output is correct
61 Correct 2 ms 6748 KB Output is correct
62 Correct 2 ms 6748 KB Output is correct
63 Correct 2 ms 6748 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 1 ms 6744 KB Output is correct
3 Correct 2 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 2 ms 6744 KB Output is correct
7 Correct 2 ms 6748 KB Output is correct
8 Correct 2 ms 7412 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 2 ms 6780 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 2 ms 6748 KB Output is correct
18 Correct 1 ms 6748 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 2 ms 6744 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 3 ms 6748 KB Output is correct
23 Correct 2 ms 6804 KB Output is correct
24 Correct 2 ms 6748 KB Output is correct
25 Correct 4 ms 7000 KB Output is correct
26 Correct 3 ms 6796 KB Output is correct
27 Correct 2 ms 6748 KB Output is correct
28 Correct 2 ms 6832 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct
30 Correct 2 ms 6748 KB Output is correct
31 Correct 2 ms 6748 KB Output is correct
32 Correct 2 ms 6788 KB Output is correct
33 Correct 3 ms 6748 KB Output is correct
34 Correct 2 ms 6748 KB Output is correct
35 Correct 3 ms 6768 KB Output is correct
36 Correct 2 ms 6744 KB Output is correct
37 Correct 2 ms 6748 KB Output is correct
38 Correct 2 ms 6748 KB Output is correct
39 Correct 2 ms 6748 KB Output is correct
40 Correct 2 ms 6748 KB Output is correct
41 Correct 2 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 2 ms 6748 KB Output is correct
44 Correct 2 ms 6796 KB Output is correct
45 Correct 2 ms 6748 KB Output is correct
46 Correct 2 ms 6748 KB Output is correct
47 Correct 2 ms 6748 KB Output is correct
48 Correct 2 ms 6748 KB Output is correct
49 Correct 2 ms 6748 KB Output is correct
50 Correct 3 ms 6748 KB Output is correct
51 Correct 2 ms 6748 KB Output is correct
52 Correct 2 ms 6748 KB Output is correct
53 Correct 3 ms 6748 KB Output is correct
54 Correct 4 ms 6900 KB Output is correct
55 Correct 2 ms 6748 KB Output is correct
56 Correct 3 ms 6748 KB Output is correct
57 Correct 2 ms 6748 KB Output is correct
58 Correct 2 ms 6748 KB Output is correct
59 Correct 2 ms 6748 KB Output is correct
60 Correct 2 ms 6748 KB Output is correct
61 Correct 2 ms 6748 KB Output is correct
62 Correct 2 ms 6748 KB Output is correct
63 Correct 2 ms 6748 KB Output is correct
64 Correct 160 ms 16800 KB Output is correct
65 Correct 137 ms 16696 KB Output is correct
66 Correct 160 ms 16804 KB Output is correct
67 Correct 148 ms 16936 KB Output is correct
68 Correct 137 ms 17056 KB Output is correct
69 Correct 131 ms 16724 KB Output is correct
70 Correct 124 ms 16720 KB Output is correct
71 Correct 145 ms 16724 KB Output is correct
72 Correct 168 ms 16732 KB Output is correct
73 Correct 154 ms 23400 KB Output is correct
74 Correct 130 ms 23380 KB Output is correct
75 Correct 129 ms 18052 KB Output is correct
76 Correct 163 ms 18192 KB Output is correct
77 Correct 158 ms 16924 KB Output is correct
78 Correct 123 ms 16684 KB Output is correct
79 Correct 169 ms 16944 KB Output is correct
80 Correct 159 ms 16856 KB Output is correct
81 Correct 134 ms 16924 KB Output is correct
82 Correct 142 ms 16716 KB Output is correct
83 Correct 162 ms 19980 KB Output is correct
84 Correct 133 ms 21076 KB Output is correct
85 Correct 184 ms 21108 KB Output is correct
86 Correct 138 ms 17528 KB Output is correct
87 Correct 126 ms 17256 KB Output is correct
88 Correct 157 ms 17472 KB Output is correct
89 Correct 156 ms 17332 KB Output is correct
90 Correct 140 ms 17440 KB Output is correct
91 Correct 145 ms 17512 KB Output is correct
92 Correct 150 ms 17628 KB Output is correct
93 Correct 131 ms 18628 KB Output is correct
94 Correct 134 ms 19648 KB Output is correct
95 Correct 126 ms 18864 KB Output is correct
96 Correct 133 ms 18048 KB Output is correct
97 Correct 156 ms 17152 KB Output is correct
98 Correct 125 ms 16980 KB Output is correct
99 Correct 142 ms 16924 KB Output is correct
100 Correct 144 ms 18740 KB Output is correct
101 Correct 126 ms 17360 KB Output is correct
102 Correct 147 ms 16912 KB Output is correct
103 Correct 135 ms 16980 KB Output is correct
104 Correct 124 ms 17344 KB Output is correct
105 Correct 148 ms 21584 KB Output is correct
106 Correct 116 ms 17232 KB Output is correct
107 Correct 101 ms 17348 KB Output is correct
108 Correct 155 ms 24192 KB Output is correct
109 Correct 123 ms 17292 KB Output is correct
110 Correct 146 ms 23892 KB Output is correct
111 Correct 122 ms 16840 KB Output is correct