oj.uz

Submission #634654

# Submission time Handle Problem Language Result Execution time Memory
634654 2022-08-24T16:29:50 Z PoPularPlusPlus Power Plant (JOI20_power) C++17
100 / 100
 134 ms 25264 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long 
#define pb(e) push_back(e)
#define sv(a) sort(a.begin(),a.end())
#define sa(a,n) sort(a,a+n)
#define mp(a,b) make_pair(a,b)
#define vf first
#define vs second
#define ar array
#define all(x) x.begin(),x.end()
const int inf = 0x3f3f3f3f;
const int mod = 1000000007; 
const double PI=3.14159265358979323846264338327950288419716939937510582097494459230;
bool remender(ll a , ll b){return a%b;}

//freopen("problemname.in", "r", stdin);
//freopen("problemname.out", "w", stdout);

const int N = 200003;

vector<int> adj[N];
string s;
int ans;

int dfs(int node , int par){
	if(s[node-1] == '0'){
		int sum = 0;
		for(int i : adj[node]){
			if(i!=par){
				sum += dfs(i,node);
			}
		}
		return sum;
	}
	int mx = 0;
	int sum = 0;
	for(int i : adj[node]){
		if(i != par){
		   int x = dfs(i , node);
		   mx = max(mx , x);
		   sum += x;
		}
	}
	ans = max(ans , mx + 1);
	return max(1 , sum - 1);
}

void solve(){
	int n;
	cin >> n;
	for(int i = 0; i < n-1; i++){
		int a , b;
		cin >> a >> b;
		adj[a].pb(b);
		adj[b].pb(a);
	}
	cin >> s;
	int cnt = 0;
	for(int i = 0; i < n; i++)cnt += (s[i]-'0');
	ans = 0;
	ans = max(ans , dfs(1,1));
	cout << ans << '\n';
}

int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	//int t;cin >> t;while(t--)
	solve();
	return 0;
}

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 3 ms 5016 KB Output is correct
4 Correct 3 ms 5020 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 4 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 5020 KB Output is correct
10 Correct 2 ms 5016 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5020 KB Output is correct
14 Correct 3 ms 4928 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 5020 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5016 KB Output is correct
19 Correct 3 ms 5016 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5016 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 3 ms 5016 KB Output is correct
4 Correct 3 ms 5020 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 4 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 5020 KB Output is correct
10 Correct 2 ms 5016 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5020 KB Output is correct
14 Correct 3 ms 4928 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 5020 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5016 KB Output is correct
19 Correct 3 ms 5016 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5016 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 4984 KB Output is correct
29 Correct 4 ms 5076 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5028 KB Output is correct
35 Correct 4 ms 5028 KB Output is correct
36 Correct 4 ms 5076 KB Output is correct
37 Correct 3 ms 5036 KB Output is correct
38 Correct 3 ms 5032 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5088 KB Output is correct
42 Correct 3 ms 5204 KB Output is correct
43 Correct 4 ms 5032 KB Output is correct
44 Correct 4 ms 5028 KB Output is correct
45 Correct 3 ms 5032 KB Output is correct
46 Correct 3 ms 5028 KB Output is correct
47 Correct 3 ms 5032 KB Output is correct
48 Correct 4 ms 5152 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5032 KB Output is correct
51 Correct 4 ms 5032 KB Output is correct
52 Correct 4 ms 5076 KB Output is correct
53 Correct 4 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 3 ms 5032 KB Output is correct
59 Correct 3 ms 5032 KB Output is correct
60 Correct 3 ms 5088 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5076 KB Output is correct
63 Correct 3 ms 5028 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 3 ms 5016 KB Output is correct
4 Correct 3 ms 5020 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 4 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 5020 KB Output is correct
10 Correct 2 ms 5016 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5020 KB Output is correct
14 Correct 3 ms 4928 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 5020 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 5016 KB Output is correct
19 Correct 3 ms 5016 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5016 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 4984 KB Output is correct
29 Correct 4 ms 5076 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5028 KB Output is correct
35 Correct 4 ms 5028 KB Output is correct
36 Correct 4 ms 5076 KB Output is correct
37 Correct 3 ms 5036 KB Output is correct
38 Correct 3 ms 5032 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5088 KB Output is correct
42 Correct 3 ms 5204 KB Output is correct
43 Correct 4 ms 5032 KB Output is correct
44 Correct 4 ms 5028 KB Output is correct
45 Correct 3 ms 5032 KB Output is correct
46 Correct 3 ms 5028 KB Output is correct
47 Correct 3 ms 5032 KB Output is correct
48 Correct 4 ms 5152 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5032 KB Output is correct
51 Correct 4 ms 5032 KB Output is correct
52 Correct 4 ms 5076 KB Output is correct
53 Correct 4 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 3 ms 5032 KB Output is correct
59 Correct 3 ms 5032 KB Output is correct
60 Correct 3 ms 5088 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5076 KB Output is correct
63 Correct 3 ms 5028 KB Output is correct
64 Correct 110 ms 14444 KB Output is correct
65 Correct 115 ms 14556 KB Output is correct
66 Correct 108 ms 14564 KB Output is correct
67 Correct 109 ms 14504 KB Output is correct
68 Correct 103 ms 14496 KB Output is correct
69 Correct 104 ms 14496 KB Output is correct
70 Correct 107 ms 14488 KB Output is correct
71 Correct 113 ms 14444 KB Output is correct
72 Correct 112 ms 14432 KB Output is correct
73 Correct 124 ms 24480 KB Output is correct
74 Correct 122 ms 24352 KB Output is correct
75 Correct 99 ms 14384 KB Output is correct
76 Correct 121 ms 14352 KB Output is correct
77 Correct 116 ms 14376 KB Output is correct
78 Correct 111 ms 14380 KB Output is correct
79 Correct 109 ms 14396 KB Output is correct
80 Correct 106 ms 14340 KB Output is correct
81 Correct 99 ms 14668 KB Output is correct
82 Correct 96 ms 14600 KB Output is correct
83 Correct 112 ms 18372 KB Output is correct
84 Correct 113 ms 20116 KB Output is correct
85 Correct 120 ms 19964 KB Output is correct
86 Correct 103 ms 15392 KB Output is correct
87 Correct 104 ms 14932 KB Output is correct
88 Correct 105 ms 15432 KB Output is correct
89 Correct 128 ms 15528 KB Output is correct
90 Correct 112 ms 15344 KB Output is correct
91 Correct 104 ms 15528 KB Output is correct
92 Correct 109 ms 15732 KB Output is correct
93 Correct 112 ms 17620 KB Output is correct
94 Correct 126 ms 19100 KB Output is correct
95 Correct 116 ms 17916 KB Output is correct
96 Correct 102 ms 16544 KB Output is correct
97 Correct 103 ms 15304 KB Output is correct
98 Correct 108 ms 14952 KB Output is correct
99 Correct 123 ms 14776 KB Output is correct
100 Correct 106 ms 17292 KB Output is correct
101 Correct 102 ms 15712 KB Output is correct
102 Correct 97 ms 15040 KB Output is correct
103 Correct 106 ms 14896 KB Output is correct
104 Correct 73 ms 15268 KB Output is correct
105 Correct 134 ms 21912 KB Output is correct
106 Correct 63 ms 15152 KB Output is correct
107 Correct 62 ms 15096 KB Output is correct
108 Correct 124 ms 25156 KB Output is correct
109 Correct 67 ms 15280 KB Output is correct
110 Correct 120 ms 25264 KB Output is correct
111 Correct 116 ms 14472 KB Output is correct