oj.uz

Submission #763063

# Submission time Handle Problem Language Result Execution time Memory
763063 2023-06-22T02:56:11 Z vjudge1 Power Plant (JOI20_power) C++17
100 / 100
 166 ms 29544 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef stack<ll> sll;
typedef queue<ll> qll;
typedef deque<ll> dll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
 
#define endl '\n'
#define pb push_back
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define BACK(i,a,b) for(int i = a; i >= b; i--)
#define fastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define fi first
#define se second
#define bp __builtin_popcountll
#define gcd __gcd
#define bit(i,n) ((n>>i)&1)
#define setmin(x,y) x=min((x),(y))
#define setmax(x,y) x=max((x),(y))
 
const int MAXN = (2e5)+5;
// const ll SQRT = 4;
const long long inf = 1e18;
const long long MOD = 998244353;

vector<int> adj[MAXN];
int n,f[MAXN],ans,par[MAXN],cnt[MAXN];
bool gen[MAXN];

int dp(int u)
{
	if(f[u]!=INT_MAX) return f[u];
	int res=cnt[u]-gen[u];
	for(auto v:adj[u]) if(v!=par[u]) if(dp(v)-gen[v]-gen[u]>0) res+=dp(v)-gen[v]-gen[u];
	return f[u]=res;
}

void dfs(int u)
{
	for(auto v:adj[u]) if(v!=par[u])
	{
		par[v]=u;
		dfs(v);
	}
}

signed main()
{
	fastIO
	// freopen("in.txt","r",stdin);
	// freopen("out.txt","w",stdout);
	cin>>n;
	FOR(i,1,n-1)
	{
		int u,v;
		cin>>u>>v;
		adj[u].pb(v);
		adj[v].pb(u);
	}
	FOR(i,1,n)
	{
		char c;
		cin>>c;
		gen[i]=(c=='1');
		ans=max(ans,(int)gen[i]);
	}
	dfs(1);
	FOR(i,1,n) f[i]=INT_MAX;
	FOR(i,1,n) for(auto a:adj[i]) if(gen[a]) {cnt[i]++; if(gen[i]) ans=2;}
	FOR(i,1,n) ans=max(ans,dp(i));
	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 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 4 ms 5036 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4932 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 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 4948 KB Output is correct
20 Correct 3 ms 4924 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 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 4 ms 5036 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4932 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 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 4948 KB Output is correct
20 Correct 3 ms 4924 KB Output is correct
21 Correct 3 ms 4948 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 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 5 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 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 5164 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5144 KB Output is correct
45 Correct 3 ms 5108 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 5224 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 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 4 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 5076 KB Output is correct
59 Correct 5 ms 5024 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 3 ms 5204 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 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 4 ms 5036 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4932 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 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 4948 KB Output is correct
20 Correct 3 ms 4924 KB Output is correct
21 Correct 3 ms 4948 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 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 5 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 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 5164 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5144 KB Output is correct
45 Correct 3 ms 5108 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 5224 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 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 4 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 5076 KB Output is correct
59 Correct 5 ms 5024 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 89 ms 13924 KB Output is correct
65 Correct 107 ms 13924 KB Output is correct
66 Correct 129 ms 13884 KB Output is correct
67 Correct 83 ms 13816 KB Output is correct
68 Correct 92 ms 14000 KB Output is correct
69 Correct 120 ms 13900 KB Output is correct
70 Correct 98 ms 14028 KB Output is correct
71 Correct 78 ms 13880 KB Output is correct
72 Correct 82 ms 13140 KB Output is correct
73 Correct 166 ms 29084 KB Output is correct
74 Correct 120 ms 28924 KB Output is correct
75 Correct 94 ms 13948 KB Output is correct
76 Correct 80 ms 13688 KB Output is correct
77 Correct 86 ms 13768 KB Output is correct
78 Correct 79 ms 13772 KB Output is correct
79 Correct 83 ms 13808 KB Output is correct
80 Correct 89 ms 13812 KB Output is correct
81 Correct 108 ms 14120 KB Output is correct
82 Correct 92 ms 13992 KB Output is correct
83 Correct 97 ms 20020 KB Output is correct
84 Correct 96 ms 22608 KB Output is correct
85 Correct 123 ms 22168 KB Output is correct
86 Correct 109 ms 15548 KB Output is correct
87 Correct 106 ms 14788 KB Output is correct
88 Correct 83 ms 15180 KB Output is correct
89 Correct 83 ms 15240 KB Output is correct
90 Correct 83 ms 14988 KB Output is correct
91 Correct 105 ms 15316 KB Output is correct
92 Correct 91 ms 15624 KB Output is correct
93 Correct 81 ms 18680 KB Output is correct
94 Correct 111 ms 20740 KB Output is correct
95 Correct 79 ms 19032 KB Output is correct
96 Correct 79 ms 16824 KB Output is correct
97 Correct 76 ms 15012 KB Output is correct
98 Correct 83 ms 14380 KB Output is correct
99 Correct 90 ms 14240 KB Output is correct
100 Correct 93 ms 18032 KB Output is correct
101 Correct 94 ms 15596 KB Output is correct
102 Correct 111 ms 14684 KB Output is correct
103 Correct 81 ms 14504 KB Output is correct
104 Correct 50 ms 14588 KB Output is correct
105 Correct 145 ms 24432 KB Output is correct
106 Correct 72 ms 14528 KB Output is correct
107 Correct 70 ms 13708 KB Output is correct
108 Correct 134 ms 29124 KB Output is correct
109 Correct 58 ms 13748 KB Output is correct
110 Correct 150 ms 29544 KB Output is correct
111 Correct 70 ms 13688 KB Output is correct