oj.uz

Submission #684037

# Submission time Handle Problem Language Result Execution time Memory
684037 2023-01-20T06:45:21 Z Darren0724 Power Plant (JOI20_power) C++17
100 / 100
 184 ms 32388 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()
int INF=1e18;
int n;
vector<vector<int>> adj;
vector<int> v;
vector<int> dp;
vector<int> dp1;
void dfs(int k,int pa){
    dp[k]=v[k];
    int total=0;
    int mx=0;
    for(int j:adj[k]){
        if(j==pa)continue;
        dfs(j,k);
        total+=dp[j];
        mx=max(mx,dp[j]);
    }
    dp[k]=max(dp[k],total-v[k]);
    dp1[k]=max(dp[k],mx+v[k]);
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;cin>>n;
    adj.resize(n);
    v.resize(n);
    dp.resize(n);
    dp1.resize(n);
    for(int i=1;i<n;i++){
        int a,b;cin>>a>>b;a--;b--;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    for(int i=0;i<n;i++){
        char c;cin>>c;
        v[i]=c-'0';
    }
    dfs(0,0);
    int mx=0;
    for(int i=0;i<n;i++){
        mx=max(mx,dp[i]);
        mx=max(mx,dp1[i]);
    }
    cout<<mx<<endl;

    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 480 KB Output is correct
23 Correct 2 ms 464 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 592 KB Output is correct
30 Correct 1 ms 456 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 476 KB Output is correct
36 Correct 1 ms 476 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 2 ms 464 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 1 ms 460 KB Output is correct
44 Correct 1 ms 464 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 440 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 1 ms 464 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 1 ms 468 KB Output is correct
57 Correct 2 ms 592 KB Output is correct
58 Correct 1 ms 484 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 464 KB Output is correct
61 Correct 1 ms 464 KB Output is correct
62 Correct 1 ms 596 KB Output is correct
63 Correct 1 ms 468 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 480 KB Output is correct
23 Correct 2 ms 464 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 592 KB Output is correct
30 Correct 1 ms 456 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 476 KB Output is correct
36 Correct 1 ms 476 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 2 ms 464 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 1 ms 460 KB Output is correct
44 Correct 1 ms 464 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 440 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 1 ms 464 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 1 ms 468 KB Output is correct
57 Correct 2 ms 592 KB Output is correct
58 Correct 1 ms 484 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 464 KB Output is correct
61 Correct 1 ms 464 KB Output is correct
62 Correct 1 ms 596 KB Output is correct
63 Correct 1 ms 468 KB Output is correct
64 Correct 128 ms 19688 KB Output is correct
65 Correct 149 ms 19780 KB Output is correct
66 Correct 139 ms 19708 KB Output is correct
67 Correct 120 ms 19684 KB Output is correct
68 Correct 132 ms 19660 KB Output is correct
69 Correct 150 ms 19724 KB Output is correct
70 Correct 173 ms 19780 KB Output is correct
71 Correct 119 ms 19660 KB Output is correct
72 Correct 131 ms 19684 KB Output is correct
73 Correct 148 ms 31404 KB Output is correct
74 Correct 152 ms 31308 KB Output is correct
75 Correct 125 ms 20920 KB Output is correct
76 Correct 155 ms 21104 KB Output is correct
77 Correct 152 ms 19660 KB Output is correct
78 Correct 135 ms 19736 KB Output is correct
79 Correct 127 ms 19704 KB Output is correct
80 Correct 145 ms 19788 KB Output is correct
81 Correct 112 ms 19728 KB Output is correct
82 Correct 118 ms 19632 KB Output is correct
83 Correct 159 ms 24876 KB Output is correct
84 Correct 184 ms 26900 KB Output is correct
85 Correct 139 ms 26668 KB Output is correct
86 Correct 132 ms 21088 KB Output is correct
87 Correct 169 ms 20516 KB Output is correct
88 Correct 143 ms 20552 KB Output is correct
89 Correct 117 ms 20684 KB Output is correct
90 Correct 135 ms 20340 KB Output is correct
91 Correct 153 ms 20592 KB Output is correct
92 Correct 125 ms 21020 KB Output is correct
93 Correct 115 ms 23072 KB Output is correct
94 Correct 147 ms 24768 KB Output is correct
95 Correct 151 ms 23456 KB Output is correct
96 Correct 118 ms 21820 KB Output is correct
97 Correct 117 ms 20300 KB Output is correct
98 Correct 157 ms 19960 KB Output is correct
99 Correct 159 ms 19812 KB Output is correct
100 Correct 125 ms 22780 KB Output is correct
101 Correct 128 ms 20704 KB Output is correct
102 Correct 149 ms 19988 KB Output is correct
103 Correct 118 ms 20088 KB Output is correct
104 Correct 73 ms 20296 KB Output is correct
105 Correct 145 ms 28280 KB Output is correct
106 Correct 91 ms 20184 KB Output is correct
107 Correct 77 ms 20096 KB Output is correct
108 Correct 142 ms 32152 KB Output is correct
109 Correct 84 ms 20340 KB Output is correct
110 Correct 157 ms 32388 KB Output is correct
111 Correct 119 ms 19776 KB Output is correct