oj.uz

Submission #769150

# Submission time Handle Problem Language Result Execution time Memory
769150 2023-06-29T08:53:42 Z Mohammad_Parsa Power Plant (JOI20_power) C++17
100 / 100
 142 ms 29580 KB 
/* in the name of allah */
#include<bits/stdc++.h>
using namespace std;

#define endl '\n'
#define pb push_back
#define F first
#define S second
#define mk make_pair
typedef long long ll;

const int N=2e5+7;
int n,dp[2][N];
string s;
vector<int>vec[N];

void dfs(int v=1,int p=0){
	for(auto u:vec[v]){
		if(u==p)continue;
		dfs(u,v);
	}
	if(s[v-1]=='0'){
		for(auto u:vec[v]){
			if(u==p)continue;
			dp[0][v]+=dp[0][u];
			dp[1][v]=max(dp[1][v],dp[1][u]);
		}
	}
	else{
		int x0=-1,x1=-1,y1=0,z0=1,z1=1;
		for(auto u:vec[v]){
			if(u==p)continue;
			x0+=dp[0][u];
			x1=max(x1,dp[1][u]-1);
			y1=max(y1,dp[1][u]);
			z1=max(z1,dp[0][u]+1);
		}
		dp[0][v]=max(0,max(x0,z0));
		dp[1][v]=max(x1,max(z1,y1));
	}
}

int main(){
	ios:: sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin>>n;
	int u,v;
	for(int i=1;i<n;i++){
		cin>>u>>v;
		vec[u].pb(v);
		vec[v].pb(u);
	}
	cin>>s;
	dfs();
	cout<<max(dp[0][1],dp[1][1]);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 5028 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 5028 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 5032 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 5028 KB Output is correct
15 Correct 2 ms 4960 KB Output is correct
16 Correct 3 ms 5024 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 5028 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 5028 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 5028 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 5032 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 5028 KB Output is correct
15 Correct 2 ms 4960 KB Output is correct
16 Correct 3 ms 5024 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 5028 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5036 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5036 KB Output is correct
26 Correct 3 ms 5040 KB Output is correct
27 Correct 3 ms 5132 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5168 KB Output is correct
30 Correct 3 ms 5204 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 5096 KB Output is correct
34 Correct 3 ms 5040 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5040 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 5076 KB Output is correct
40 Correct 3 ms 5148 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 3 ms 5044 KB Output is correct
44 Correct 3 ms 5164 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 5168 KB Output is correct
50 Correct 3 ms 5164 KB Output is correct
51 Correct 3 ms 5164 KB Output is correct
52 Correct 3 ms 5076 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 5036 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5092 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5168 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 5028 KB Output is correct
5 Correct 3 ms 5024 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 5028 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 5032 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 5028 KB Output is correct
15 Correct 2 ms 4960 KB Output is correct
16 Correct 3 ms 5024 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 5028 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5036 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5036 KB Output is correct
26 Correct 3 ms 5040 KB Output is correct
27 Correct 3 ms 5132 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5168 KB Output is correct
30 Correct 3 ms 5204 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 5096 KB Output is correct
34 Correct 3 ms 5040 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5040 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 5076 KB Output is correct
40 Correct 3 ms 5148 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 3 ms 5044 KB Output is correct
44 Correct 3 ms 5164 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 5168 KB Output is correct
50 Correct 3 ms 5164 KB Output is correct
51 Correct 3 ms 5164 KB Output is correct
52 Correct 3 ms 5076 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 5036 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5092 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5168 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 73 ms 15996 KB Output is correct
65 Correct 71 ms 15928 KB Output is correct
66 Correct 76 ms 15880 KB Output is correct
67 Correct 69 ms 15884 KB Output is correct
68 Correct 112 ms 16140 KB Output is correct
69 Correct 70 ms 15960 KB Output is correct
70 Correct 64 ms 15964 KB Output is correct
71 Correct 76 ms 15920 KB Output is correct
72 Correct 67 ms 15972 KB Output is correct
73 Correct 87 ms 28512 KB Output is correct
74 Correct 98 ms 28576 KB Output is correct
75 Correct 70 ms 15880 KB Output is correct
76 Correct 65 ms 15828 KB Output is correct
77 Correct 66 ms 15840 KB Output is correct
78 Correct 70 ms 15780 KB Output is correct
79 Correct 68 ms 15780 KB Output is correct
80 Correct 66 ms 15752 KB Output is correct
81 Correct 65 ms 16232 KB Output is correct
82 Correct 63 ms 15976 KB Output is correct
83 Correct 76 ms 21008 KB Output is correct
84 Correct 80 ms 23192 KB Output is correct
85 Correct 93 ms 22848 KB Output is correct
86 Correct 93 ms 17384 KB Output is correct
87 Correct 69 ms 16736 KB Output is correct
88 Correct 68 ms 17092 KB Output is correct
89 Correct 75 ms 17204 KB Output is correct
90 Correct 69 ms 17000 KB Output is correct
91 Correct 77 ms 17216 KB Output is correct
92 Correct 75 ms 17492 KB Output is correct
93 Correct 65 ms 19932 KB Output is correct
94 Correct 67 ms 21636 KB Output is correct
95 Correct 64 ms 20304 KB Output is correct
96 Correct 89 ms 18504 KB Output is correct
97 Correct 74 ms 16996 KB Output is correct
98 Correct 61 ms 16532 KB Output is correct
99 Correct 87 ms 16228 KB Output is correct
100 Correct 74 ms 19412 KB Output is correct
101 Correct 66 ms 17512 KB Output is correct
102 Correct 65 ms 16732 KB Output is correct
103 Correct 63 ms 16464 KB Output is correct
104 Correct 59 ms 15248 KB Output is correct
105 Correct 81 ms 25356 KB Output is correct
106 Correct 55 ms 16740 KB Output is correct
107 Correct 50 ms 16624 KB Output is correct
108 Correct 142 ms 29352 KB Output is correct
109 Correct 71 ms 15312 KB Output is correct
110 Correct 106 ms 29580 KB Output is correct
111 Correct 82 ms 15832 KB Output is correct