답안 #626783

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
626783 2022-08-11T18:55:54 Z codr0 Power Plant (JOI20_power) C++14
100 / 100
131 ms 30488 KB
// Code by Parsa Eslami

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>

#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FORR(i,a,b) for(int i=a;i>=b;i--)
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define all(x) x.begin(),x.end()
#define SZ(x) ((int)x.size())
#define bit(i,j) ((j>>i)&1)
#define pb push_back
#define lc 2*id
#define rc 2*id+1
#define dmid int mid=(r+l)/2
#define err(x) cerr<#x<<" : "<<x<<'\n'

using namespace std;
const int N=2e5+4;
vector<int> adj[N];
int gen[N];
int dp[N][2];

	int in(){
		int x; cin>>x; return x;
	}

	void dfs(int v,int p){
		int sg1=0,mx1=0,mx0=0;
		for(int u:adj[v]) if(u!=p){
			dfs(u,v);
			sg1+=dp[u][1];
			maxm(mx1,dp[u][1]);
			maxm(mx0,dp[u][0]);
		}
		maxm(dp[v][1],gen[v]);
		maxm(dp[v][1],sg1-gen[v]);
		maxm(dp[v][0],mx0);
		maxm(dp[v][0],mx1+gen[v]);
		maxm(dp[v][0],sg1-gen[v]);
	}

	int32_t main(){
	iostream::sync_with_stdio(0); cin.tie(0);

	int n=in();
	FOR(i,1,n-1){
		int u=in(),v=in();
		adj[u].pb(v);
		adj[v].pb(u);
	}
	string s; cin>>s;
	FOR(i,0,n-1) gen[i+1]=s[i]-'0';
	dfs(1,1);
	cout<<dp[1][0]<<'\n';

	return 0;
	}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 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 4948 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 3 ms 5036 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4936 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 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 4948 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 3 ms 5036 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4936 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 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 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 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 5076 KB Output is correct
40 Correct 4 ms 5072 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5204 KB Output is correct
43 Correct 3 ms 5028 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 4 ms 5204 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 5204 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 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 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 4948 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 3 ms 5036 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 3 ms 4936 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 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 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 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 5076 KB Output is correct
40 Correct 4 ms 5072 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5204 KB Output is correct
43 Correct 3 ms 5028 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 4 ms 5204 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 5204 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 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 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 115 ms 14004 KB Output is correct
65 Correct 113 ms 14028 KB Output is correct
66 Correct 107 ms 14052 KB Output is correct
67 Correct 109 ms 14004 KB Output is correct
68 Correct 115 ms 14084 KB Output is correct
69 Correct 115 ms 13976 KB Output is correct
70 Correct 109 ms 14040 KB Output is correct
71 Correct 108 ms 13964 KB Output is correct
72 Correct 109 ms 14040 KB Output is correct
73 Correct 129 ms 29216 KB Output is correct
74 Correct 131 ms 29028 KB Output is correct
75 Correct 109 ms 13896 KB Output is correct
76 Correct 125 ms 13828 KB Output is correct
77 Correct 120 ms 13872 KB Output is correct
78 Correct 106 ms 13888 KB Output is correct
79 Correct 109 ms 13840 KB Output is correct
80 Correct 112 ms 13852 KB Output is correct
81 Correct 88 ms 14428 KB Output is correct
82 Correct 100 ms 14060 KB Output is correct
83 Correct 117 ms 20076 KB Output is correct
84 Correct 120 ms 22684 KB Output is correct
85 Correct 116 ms 22308 KB Output is correct
86 Correct 117 ms 15648 KB Output is correct
87 Correct 113 ms 14952 KB Output is correct
88 Correct 104 ms 15400 KB Output is correct
89 Correct 106 ms 15416 KB Output is correct
90 Correct 107 ms 15128 KB Output is correct
91 Correct 104 ms 15392 KB Output is correct
92 Correct 105 ms 15808 KB Output is correct
93 Correct 100 ms 18844 KB Output is correct
94 Correct 103 ms 20976 KB Output is correct
95 Correct 97 ms 19224 KB Output is correct
96 Correct 103 ms 16960 KB Output is correct
97 Correct 103 ms 15184 KB Output is correct
98 Correct 109 ms 14516 KB Output is correct
99 Correct 103 ms 14404 KB Output is correct
100 Correct 100 ms 18168 KB Output is correct
101 Correct 105 ms 15704 KB Output is correct
102 Correct 98 ms 14816 KB Output is correct
103 Correct 115 ms 14536 KB Output is correct
104 Correct 62 ms 14688 KB Output is correct
105 Correct 121 ms 25352 KB Output is correct
106 Correct 61 ms 14880 KB Output is correct
107 Correct 61 ms 14788 KB Output is correct
108 Correct 129 ms 29996 KB Output is correct
109 Correct 66 ms 14800 KB Output is correct
110 Correct 128 ms 30488 KB Output is correct
111 Correct 110 ms 13884 KB Output is correct