oj.uz

Submission #1037115

# Submission time Handle Problem Language Result Execution time Memory
1037115 2024-07-28T07:09:31 Z 1L1YA Power Plant (JOI20_power) C++17
100 / 100
 64 ms 29260 KB 
//1L1YA

#include<bits/stdc++.h>
using namespace std;

//#pragma GCC optimize ("O3,unrool-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

typedef long long       ll;
typedef pair<ll,ll>     pll;
typedef pair<int,int>   pii;

#define Pb              push_back
#define F               first
#define S               second
#define endl            '\n'
#define sep             ' '
#define all(x)          x.begin(),x.end()
#define al(x,n)         x+1,x+n+1
#define SZ(x)           ((int)x.size())
#define lc              (id<<1)
#define rc              (lc|1)
#define mid             (l+r>>1)
#define dokme(x)        cout << x << endl, exit(0)
#define sik(x)          cout << x << endl;continue;
#define FastIO          ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define FileIO          freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);

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

const ll oo=1e18;
const int mod=1e9+7;
const int inf=1e9+111;
const int N=2e5+11;
const int lg=23;

int n,ans,a[N],dp[N];
vector<int> adj[N];

void dfs(int v,int p=0){
	int mx=0;
	for(int u: adj[v])
		if(u!=p){
			dfs(u,v);
			dp[v]+=dp[u];
			mx=max(mx,dp[u]);
		}
	dp[v]-=a[v];
	ans=max(ans,mx+a[v]);
	dp[v]=max(dp[v],a[v]);
	ans=max(ans,dp[v]);
}

int main(){
	FastIO

	cin >> n;
	for(int i=1;i<n;i++){
		int u,v;
		cin >> u >> v;
		adj[u].Pb(v);
		adj[v].Pb(u);
	}
	for(int i=1;i<=n;i++){
		char c;cin >> c;
		a[i]=c-'0';
	}
	dfs(1);
	cout << ans << endl;

	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 5172 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 4952 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 1 ms 4956 KB Output is correct
16 Correct 1 ms 4956 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 1 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 4956 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 5172 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 4952 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 1 ms 4956 KB Output is correct
16 Correct 1 ms 4956 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 1 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 4956 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 1 ms 5212 KB Output is correct
25 Correct 1 ms 5212 KB Output is correct
26 Correct 1 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5212 KB Output is correct
29 Correct 1 ms 5212 KB Output is correct
30 Correct 1 ms 5312 KB Output is correct
31 Correct 2 ms 5208 KB Output is correct
32 Correct 2 ms 5208 KB Output is correct
33 Correct 1 ms 5212 KB Output is correct
34 Correct 1 ms 5212 KB Output is correct
35 Correct 1 ms 5212 KB Output is correct
36 Correct 1 ms 5244 KB Output is correct
37 Correct 1 ms 5212 KB Output is correct
38 Correct 1 ms 5208 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 1 ms 5208 KB Output is correct
42 Correct 1 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 1 ms 5212 KB Output is correct
46 Correct 1 ms 5212 KB Output is correct
47 Correct 1 ms 5212 KB Output is correct
48 Correct 1 ms 5212 KB Output is correct
49 Correct 2 ms 5208 KB Output is correct
50 Correct 1 ms 5212 KB Output is correct
51 Correct 1 ms 5212 KB Output is correct
52 Correct 1 ms 5208 KB Output is correct
53 Correct 1 ms 5212 KB Output is correct
54 Correct 2 ms 5224 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 2 ms 5208 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 1 ms 5180 KB Output is correct
59 Correct 1 ms 5256 KB Output is correct
60 Correct 1 ms 5212 KB Output is correct
61 Correct 1 ms 5212 KB Output is correct
62 Correct 2 ms 5208 KB Output is correct
63 Correct 2 ms 5212 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 5172 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 1 ms 4956 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 4952 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 1 ms 4956 KB Output is correct
15 Correct 1 ms 4956 KB Output is correct
16 Correct 1 ms 4956 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 1 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 1 ms 4956 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 1 ms 5212 KB Output is correct
25 Correct 1 ms 5212 KB Output is correct
26 Correct 1 ms 5212 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5212 KB Output is correct
29 Correct 1 ms 5212 KB Output is correct
30 Correct 1 ms 5312 KB Output is correct
31 Correct 2 ms 5208 KB Output is correct
32 Correct 2 ms 5208 KB Output is correct
33 Correct 1 ms 5212 KB Output is correct
34 Correct 1 ms 5212 KB Output is correct
35 Correct 1 ms 5212 KB Output is correct
36 Correct 1 ms 5244 KB Output is correct
37 Correct 1 ms 5212 KB Output is correct
38 Correct 1 ms 5208 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 1 ms 5208 KB Output is correct
42 Correct 1 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 1 ms 5212 KB Output is correct
46 Correct 1 ms 5212 KB Output is correct
47 Correct 1 ms 5212 KB Output is correct
48 Correct 1 ms 5212 KB Output is correct
49 Correct 2 ms 5208 KB Output is correct
50 Correct 1 ms 5212 KB Output is correct
51 Correct 1 ms 5212 KB Output is correct
52 Correct 1 ms 5208 KB Output is correct
53 Correct 1 ms 5212 KB Output is correct
54 Correct 2 ms 5224 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 2 ms 5208 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 1 ms 5180 KB Output is correct
59 Correct 1 ms 5256 KB Output is correct
60 Correct 1 ms 5212 KB Output is correct
61 Correct 1 ms 5212 KB Output is correct
62 Correct 2 ms 5208 KB Output is correct
63 Correct 2 ms 5212 KB Output is correct
64 Correct 57 ms 15700 KB Output is correct
65 Correct 52 ms 15700 KB Output is correct
66 Correct 55 ms 15740 KB Output is correct
67 Correct 53 ms 15696 KB Output is correct
68 Correct 54 ms 15696 KB Output is correct
69 Correct 47 ms 15696 KB Output is correct
70 Correct 54 ms 15700 KB Output is correct
71 Correct 53 ms 15700 KB Output is correct
72 Correct 55 ms 15636 KB Output is correct
73 Correct 64 ms 28240 KB Output is correct
74 Correct 61 ms 28240 KB Output is correct
75 Correct 52 ms 15444 KB Output is correct
76 Correct 56 ms 15440 KB Output is correct
77 Correct 52 ms 15440 KB Output is correct
78 Correct 54 ms 15444 KB Output is correct
79 Correct 52 ms 15440 KB Output is correct
80 Correct 53 ms 15440 KB Output is correct
81 Correct 46 ms 15856 KB Output is correct
82 Correct 48 ms 15824 KB Output is correct
83 Correct 59 ms 20820 KB Output is correct
84 Correct 58 ms 23028 KB Output is correct
85 Correct 60 ms 22608 KB Output is correct
86 Correct 56 ms 17112 KB Output is correct
87 Correct 51 ms 16464 KB Output is correct
88 Correct 54 ms 16856 KB Output is correct
89 Correct 53 ms 16980 KB Output is correct
90 Correct 52 ms 16828 KB Output is correct
91 Correct 53 ms 16940 KB Output is correct
92 Correct 53 ms 17232 KB Output is correct
93 Correct 54 ms 19520 KB Output is correct
94 Correct 50 ms 21408 KB Output is correct
95 Correct 53 ms 20000 KB Output is correct
96 Correct 58 ms 18260 KB Output is correct
97 Correct 53 ms 16728 KB Output is correct
98 Correct 57 ms 16208 KB Output is correct
99 Correct 52 ms 15956 KB Output is correct
100 Correct 53 ms 19224 KB Output is correct
101 Correct 55 ms 17236 KB Output is correct
102 Correct 50 ms 16476 KB Output is correct
103 Correct 51 ms 16208 KB Output is correct
104 Correct 38 ms 16584 KB Output is correct
105 Correct 59 ms 25224 KB Output is correct
106 Correct 40 ms 16324 KB Output is correct
107 Correct 38 ms 16328 KB Output is correct
108 Correct 61 ms 28912 KB Output is correct
109 Correct 37 ms 16584 KB Output is correct
110 Correct 58 ms 29260 KB Output is correct
111 Correct 47 ms 15440 KB Output is correct