oj.uz

Submission #709676

# Submission time Handle Problem Language Result Execution time Memory
709676 2023-03-14T07:25:13 Z Antekb Power Plant (JOI20_power) C++17
47 / 100
 5 ms 5216 KB 
#include<bits/stdc++.h>

#define st first
#define nd second
#define eb emplace_back
#define pb push_back
#define pp pop_back
#define all(x) x.begin(), x.end()

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;

void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){cerr<<h;if(sizeof...(t))cerr<<", ";debug(t...);};
#define deb(x...) cerr<<#x<<" = ";debug(x);

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

const int N=1e5+5, INF=1e9+5;
vi E[N];
string s;
int dp[N];
int ans=0;
void dfs(int v, int p){
	int m=0;
	for(int u:E[v]){
		if(u!=p){
			dfs(u, v);
			dp[v]+=dp[u];
			m=max(m, dp[u]);
		}
	}
	if(s[v-1]-'0'){
		ans=max(ans, m+1);
		dp[v]=max(1, dp[v]-1);
	}
	ans=max(ans, dp[v]);
	//deb(v, dp[v]);
}
int main(){
	//ios_base::sync_with_stdio(0);cin.tie(0);
	int n;
	cin>>n;
	for(int i=1; i<n; i++){
		int u, v;
		cin>>u>>v;
		E[u].pb(v);
		E[v].pb(u);
	}
	cin>>s;
	dfs(1, 0);
	cout<<ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2656 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2660 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2664 KB Output is correct
12 Correct 2 ms 2656 KB Output is correct
13 Correct 2 ms 2624 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2656 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2656 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2660 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2664 KB Output is correct
12 Correct 2 ms 2656 KB Output is correct
13 Correct 2 ms 2624 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2656 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 3 ms 2644 KB Output is correct
23 Correct 3 ms 2676 KB Output is correct
24 Correct 4 ms 2640 KB Output is correct
25 Correct 3 ms 2644 KB Output is correct
26 Correct 3 ms 2644 KB Output is correct
27 Correct 3 ms 2644 KB Output is correct
28 Correct 3 ms 2644 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 3 ms 2736 KB Output is correct
31 Correct 3 ms 2644 KB Output is correct
32 Correct 3 ms 2732 KB Output is correct
33 Correct 3 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 4 ms 2644 KB Output is correct
36 Correct 4 ms 2644 KB Output is correct
37 Correct 4 ms 2664 KB Output is correct
38 Correct 3 ms 2644 KB Output is correct
39 Correct 3 ms 2772 KB Output is correct
40 Correct 3 ms 2772 KB Output is correct
41 Correct 3 ms 2804 KB Output is correct
42 Correct 3 ms 2772 KB Output is correct
43 Correct 3 ms 2672 KB Output is correct
44 Correct 3 ms 2772 KB Output is correct
45 Correct 3 ms 2772 KB Output is correct
46 Correct 4 ms 2672 KB Output is correct
47 Correct 3 ms 2772 KB Output is correct
48 Correct 3 ms 2772 KB Output is correct
49 Correct 3 ms 2772 KB Output is correct
50 Correct 3 ms 2800 KB Output is correct
51 Correct 3 ms 2772 KB Output is correct
52 Correct 3 ms 2680 KB Output is correct
53 Correct 4 ms 2728 KB Output is correct
54 Correct 3 ms 2772 KB Output is correct
55 Correct 3 ms 2668 KB Output is correct
56 Correct 4 ms 2644 KB Output is correct
57 Correct 4 ms 2928 KB Output is correct
58 Correct 3 ms 2772 KB Output is correct
59 Correct 3 ms 2772 KB Output is correct
60 Correct 3 ms 2772 KB Output is correct
61 Correct 5 ms 2744 KB Output is correct
62 Correct 3 ms 2780 KB Output is correct
63 Correct 3 ms 2784 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2656 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2660 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2664 KB Output is correct
12 Correct 2 ms 2656 KB Output is correct
13 Correct 2 ms 2624 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2656 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 3 ms 2644 KB Output is correct
23 Correct 3 ms 2676 KB Output is correct
24 Correct 4 ms 2640 KB Output is correct
25 Correct 3 ms 2644 KB Output is correct
26 Correct 3 ms 2644 KB Output is correct
27 Correct 3 ms 2644 KB Output is correct
28 Correct 3 ms 2644 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 3 ms 2736 KB Output is correct
31 Correct 3 ms 2644 KB Output is correct
32 Correct 3 ms 2732 KB Output is correct
33 Correct 3 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 4 ms 2644 KB Output is correct
36 Correct 4 ms 2644 KB Output is correct
37 Correct 4 ms 2664 KB Output is correct
38 Correct 3 ms 2644 KB Output is correct
39 Correct 3 ms 2772 KB Output is correct
40 Correct 3 ms 2772 KB Output is correct
41 Correct 3 ms 2804 KB Output is correct
42 Correct 3 ms 2772 KB Output is correct
43 Correct 3 ms 2672 KB Output is correct
44 Correct 3 ms 2772 KB Output is correct
45 Correct 3 ms 2772 KB Output is correct
46 Correct 4 ms 2672 KB Output is correct
47 Correct 3 ms 2772 KB Output is correct
48 Correct 3 ms 2772 KB Output is correct
49 Correct 3 ms 2772 KB Output is correct
50 Correct 3 ms 2800 KB Output is correct
51 Correct 3 ms 2772 KB Output is correct
52 Correct 3 ms 2680 KB Output is correct
53 Correct 4 ms 2728 KB Output is correct
54 Correct 3 ms 2772 KB Output is correct
55 Correct 3 ms 2668 KB Output is correct
56 Correct 4 ms 2644 KB Output is correct
57 Correct 4 ms 2928 KB Output is correct
58 Correct 3 ms 2772 KB Output is correct
59 Correct 3 ms 2772 KB Output is correct
60 Correct 3 ms 2772 KB Output is correct
61 Correct 5 ms 2744 KB Output is correct
62 Correct 3 ms 2780 KB Output is correct
63 Correct 3 ms 2784 KB Output is correct
64 Runtime error 4 ms 5216 KB Execution killed with signal 11
65 Halted 0 ms 0 KB -