oj.uz

Submission #709678

# Submission time Handle Problem Language Result Execution time Memory
709678 2023-03-14T07:25:44 Z Antekb Power Plant (JOI20_power) C++17
100 / 100
 232 ms 28848 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=2e5+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 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5008 KB Output is correct
6 Correct 3 ms 5012 KB Output is correct
7 Correct 3 ms 5012 KB Output is correct
8 Correct 3 ms 5004 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 5 ms 5004 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5012 KB Output is correct
14 Correct 3 ms 5012 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 5008 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 3 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 4 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5008 KB Output is correct
6 Correct 3 ms 5012 KB Output is correct
7 Correct 3 ms 5012 KB Output is correct
8 Correct 3 ms 5004 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 5 ms 5004 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5012 KB Output is correct
14 Correct 3 ms 5012 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 5008 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 6 ms 5060 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 6 ms 5020 KB Output is correct
25 Correct 5 ms 5076 KB Output is correct
26 Correct 4 ms 5024 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5028 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 5 ms 5140 KB Output is correct
31 Correct 6 ms 5076 KB Output is correct
32 Correct 5 ms 5076 KB Output is correct
33 Correct 4 ms 5072 KB Output is correct
34 Correct 5 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 4 ms 5060 KB Output is correct
37 Correct 6 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 5 ms 5048 KB Output is correct
44 Correct 5 ms 5076 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 5 ms 5088 KB Output is correct
49 Correct 4 ms 5076 KB Output is correct
50 Correct 4 ms 5064 KB Output is correct
51 Correct 4 ms 5076 KB Output is correct
52 Correct 4 ms 5076 KB Output is correct
53 Correct 4 ms 5020 KB Output is correct
54 Correct 5 ms 5044 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 4 ms 5012 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 4 ms 5064 KB Output is correct
61 Correct 6 ms 5076 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 4 ms 5016 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 4 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5008 KB Output is correct
6 Correct 3 ms 5012 KB Output is correct
7 Correct 3 ms 5012 KB Output is correct
8 Correct 3 ms 5004 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 5 ms 5004 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5012 KB Output is correct
14 Correct 3 ms 5012 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 5008 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 6 ms 5060 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 6 ms 5020 KB Output is correct
25 Correct 5 ms 5076 KB Output is correct
26 Correct 4 ms 5024 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5028 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 5 ms 5140 KB Output is correct
31 Correct 6 ms 5076 KB Output is correct
32 Correct 5 ms 5076 KB Output is correct
33 Correct 4 ms 5072 KB Output is correct
34 Correct 5 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 4 ms 5060 KB Output is correct
37 Correct 6 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 5 ms 5048 KB Output is correct
44 Correct 5 ms 5076 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 5 ms 5088 KB Output is correct
49 Correct 4 ms 5076 KB Output is correct
50 Correct 4 ms 5064 KB Output is correct
51 Correct 4 ms 5076 KB Output is correct
52 Correct 4 ms 5076 KB Output is correct
53 Correct 4 ms 5020 KB Output is correct
54 Correct 5 ms 5044 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 4 ms 5012 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 4 ms 5064 KB Output is correct
61 Correct 6 ms 5076 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 4 ms 5016 KB Output is correct
64 Correct 206 ms 15228 KB Output is correct
65 Correct 192 ms 15132 KB Output is correct
66 Correct 205 ms 15100 KB Output is correct
67 Correct 208 ms 15176 KB Output is correct
68 Correct 204 ms 15288 KB Output is correct
69 Correct 203 ms 15068 KB Output is correct
70 Correct 199 ms 15112 KB Output is correct
71 Correct 202 ms 15104 KB Output is correct
72 Correct 196 ms 15180 KB Output is correct
73 Correct 201 ms 27740 KB Output is correct
74 Correct 232 ms 27712 KB Output is correct
75 Correct 201 ms 15024 KB Output is correct
76 Correct 189 ms 15088 KB Output is correct
77 Correct 215 ms 15076 KB Output is correct
78 Correct 190 ms 15076 KB Output is correct
79 Correct 201 ms 14980 KB Output is correct
80 Correct 198 ms 14972 KB Output is correct
81 Correct 186 ms 15460 KB Output is correct
82 Correct 183 ms 15304 KB Output is correct
83 Correct 223 ms 20288 KB Output is correct
84 Correct 212 ms 22416 KB Output is correct
85 Correct 217 ms 22036 KB Output is correct
86 Correct 221 ms 16488 KB Output is correct
87 Correct 211 ms 15876 KB Output is correct
88 Correct 217 ms 16384 KB Output is correct
89 Correct 199 ms 16424 KB Output is correct
90 Correct 183 ms 16332 KB Output is correct
91 Correct 216 ms 16484 KB Output is correct
92 Correct 179 ms 16748 KB Output is correct
93 Correct 225 ms 19208 KB Output is correct
94 Correct 170 ms 20836 KB Output is correct
95 Correct 187 ms 19460 KB Output is correct
96 Correct 184 ms 17752 KB Output is correct
97 Correct 197 ms 16220 KB Output is correct
98 Correct 213 ms 15732 KB Output is correct
99 Correct 230 ms 15452 KB Output is correct
100 Correct 188 ms 18748 KB Output is correct
101 Correct 194 ms 16756 KB Output is correct
102 Correct 182 ms 15872 KB Output is correct
103 Correct 193 ms 15756 KB Output is correct
104 Correct 155 ms 15352 KB Output is correct
105 Correct 217 ms 24544 KB Output is correct
106 Correct 156 ms 15840 KB Output is correct
107 Correct 151 ms 15788 KB Output is correct
108 Correct 210 ms 28512 KB Output is correct
109 Correct 162 ms 15208 KB Output is correct
110 Correct 201 ms 28848 KB Output is correct
111 Correct 201 ms 15100 KB Output is correct