oj.uz

Submission #422413

# Submission time Handle Problem Language Result Execution time Memory
422413 2021-06-10T05:59:08 Z Jasiekstrz Power Plant (JOI20_power) C++17
100 / 100
 188 ms 27360 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=2e5;
vector<int> e[N+10];
int dp[N+10][2];
int t[N+10];
void dfs(int x,int p)
{
	for(auto v:e[x])
	{
		if(v!=p)
			dfs(v,x);
	}
	int s1=0;
	for(auto v:e[x])
	{
		if(v!=p)
			s1+=dp[v][1];
	}
	// dp[0]
	dp[x][0]=t[x];
	for(auto v:e[x])
	{
		if(v!=p)
			dp[x][0]=max({dp[x][0],dp[v][0],dp[v][1]+t[x]});
	}
	dp[x][0]=max(dp[x][0],s1-t[x]);
	// dp[1]
	dp[x][1]=t[x];
	for(auto v:e[x])
	{
		if(v!=p)
			dp[x][1]=max(dp[x][1],dp[v][1]-t[x]);
	}
	dp[x][1]=max(dp[x][1],s1-t[x]);
	return;
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int n;
	cin>>n;
	for(int i=1;i<n;i++)
	{
		int a,b;
		cin>>a>>b;
		e[a].push_back(b);
		e[b].push_back(a);
	}
	for(int i=1;i<=n;i++)
	{
		char c;
		cin>>c;
		t[i]=c-'0';
	}
	dfs(1,0);
	cout<<dp[1][0]<<"\n";
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 4 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 5012 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 4 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 5020 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 5020 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 4 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 5012 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 4 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 5020 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 5020 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 4 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 4 ms 5068 KB Output is correct
26 Correct 4 ms 5024 KB Output is correct
27 Correct 5 ms 5068 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 5 ms 5224 KB Output is correct
30 Correct 4 ms 5196 KB Output is correct
31 Correct 4 ms 5028 KB Output is correct
32 Correct 4 ms 5024 KB Output is correct
33 Correct 4 ms 5032 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 5 ms 5028 KB Output is correct
36 Correct 4 ms 5100 KB Output is correct
37 Correct 4 ms 5024 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5160 KB Output is correct
40 Correct 4 ms 5060 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 4 ms 5148 KB Output is correct
43 Correct 4 ms 5032 KB Output is correct
44 Correct 5 ms 5156 KB Output is correct
45 Correct 5 ms 5076 KB Output is correct
46 Correct 4 ms 5152 KB Output is correct
47 Correct 4 ms 5068 KB Output is correct
48 Correct 4 ms 5068 KB Output is correct
49 Correct 4 ms 5068 KB Output is correct
50 Correct 4 ms 5156 KB Output is correct
51 Correct 4 ms 5160 KB Output is correct
52 Correct 4 ms 5068 KB Output is correct
53 Correct 4 ms 5068 KB Output is correct
54 Correct 4 ms 5068 KB Output is correct
55 Correct 4 ms 5068 KB Output is correct
56 Correct 4 ms 5024 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 4 ms 5068 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 4 ms 5196 KB Output is correct
61 Correct 4 ms 5068 KB Output is correct
62 Correct 4 ms 5196 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 4 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 5012 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 4 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 5020 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 5020 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 4 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 4 ms 5068 KB Output is correct
26 Correct 4 ms 5024 KB Output is correct
27 Correct 5 ms 5068 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 5 ms 5224 KB Output is correct
30 Correct 4 ms 5196 KB Output is correct
31 Correct 4 ms 5028 KB Output is correct
32 Correct 4 ms 5024 KB Output is correct
33 Correct 4 ms 5032 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 5 ms 5028 KB Output is correct
36 Correct 4 ms 5100 KB Output is correct
37 Correct 4 ms 5024 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5160 KB Output is correct
40 Correct 4 ms 5060 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 4 ms 5148 KB Output is correct
43 Correct 4 ms 5032 KB Output is correct
44 Correct 5 ms 5156 KB Output is correct
45 Correct 5 ms 5076 KB Output is correct
46 Correct 4 ms 5152 KB Output is correct
47 Correct 4 ms 5068 KB Output is correct
48 Correct 4 ms 5068 KB Output is correct
49 Correct 4 ms 5068 KB Output is correct
50 Correct 4 ms 5156 KB Output is correct
51 Correct 4 ms 5160 KB Output is correct
52 Correct 4 ms 5068 KB Output is correct
53 Correct 4 ms 5068 KB Output is correct
54 Correct 4 ms 5068 KB Output is correct
55 Correct 4 ms 5068 KB Output is correct
56 Correct 4 ms 5024 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 4 ms 5068 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 4 ms 5196 KB Output is correct
61 Correct 4 ms 5068 KB Output is correct
62 Correct 4 ms 5196 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct
64 Correct 152 ms 16556 KB Output is correct
65 Correct 173 ms 16544 KB Output is correct
66 Correct 169 ms 16436 KB Output is correct
67 Correct 156 ms 16436 KB Output is correct
68 Correct 163 ms 16432 KB Output is correct
69 Correct 151 ms 16324 KB Output is correct
70 Correct 148 ms 16424 KB Output is correct
71 Correct 165 ms 16408 KB Output is correct
72 Correct 165 ms 16324 KB Output is correct
73 Correct 170 ms 26552 KB Output is correct
74 Correct 170 ms 26360 KB Output is correct
75 Correct 143 ms 16316 KB Output is correct
76 Correct 155 ms 16324 KB Output is correct
77 Correct 152 ms 16324 KB Output is correct
78 Correct 147 ms 16288 KB Output is correct
79 Correct 149 ms 16312 KB Output is correct
80 Correct 150 ms 16292 KB Output is correct
81 Correct 129 ms 16608 KB Output is correct
82 Correct 137 ms 16448 KB Output is correct
83 Correct 161 ms 20504 KB Output is correct
84 Correct 162 ms 22180 KB Output is correct
85 Correct 161 ms 21956 KB Output is correct
86 Correct 148 ms 17492 KB Output is correct
87 Correct 151 ms 17048 KB Output is correct
88 Correct 154 ms 17452 KB Output is correct
89 Correct 161 ms 17552 KB Output is correct
90 Correct 139 ms 17424 KB Output is correct
91 Correct 137 ms 17596 KB Output is correct
92 Correct 134 ms 17732 KB Output is correct
93 Correct 144 ms 19548 KB Output is correct
94 Correct 137 ms 20920 KB Output is correct
95 Correct 137 ms 20000 KB Output is correct
96 Correct 144 ms 18584 KB Output is correct
97 Correct 132 ms 17304 KB Output is correct
98 Correct 149 ms 16860 KB Output is correct
99 Correct 159 ms 16724 KB Output is correct
100 Correct 157 ms 19268 KB Output is correct
101 Correct 144 ms 17744 KB Output is correct
102 Correct 130 ms 17024 KB Output is correct
103 Correct 178 ms 16964 KB Output is correct
104 Correct 97 ms 17200 KB Output is correct
105 Correct 188 ms 23836 KB Output is correct
106 Correct 85 ms 16952 KB Output is correct
107 Correct 88 ms 17112 KB Output is correct
108 Correct 164 ms 27076 KB Output is correct
109 Correct 104 ms 17128 KB Output is correct
110 Correct 186 ms 27360 KB Output is correct
111 Correct 143 ms 16380 KB Output is correct