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Submission #546192

# Submission time Handle Problem Language Result Execution time Memory
546192 2022-04-06T15:45:06 Z Deepesson Power Plant (JOI20_power) C++17
47 / 100
 1500 ms 35928 KB 
#include <bits/stdc++.h>
#define MAX 505000LL
typedef std::pair<int,int> pii;
std::vector<pii> con[MAX];
std::string valores;
bool existe[MAX*2];
int tab[MAX*2];
int count=0;
int explora(long long pos,long long prev,int ind){
    if(existe[ind])return tab[ind];
    existe[ind]=true;
    count++;
    int ans=0;
    if(valores[pos]=='1')ans=1;
    int soma=0;
    for(auto&x:con[pos]){
        if(x.first==prev)continue;
        soma+=explora(x.first,pos,x.second);
    }
    if(valores[pos]=='1')--soma;
    return tab[ind]=std::max(ans,soma);
}

int N;
int ans=0;
int main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout.tie(0);
    int cur=0;
    std::cin>>N;
    for(int i=1;i!=N;++i){
        int a,b;
        std::cin>>a>>b;
        --a;--b;
        con[a].push_back({b,cur++});
        con[b].push_back({a,cur++});
    }
    std::cin>>valores;
    for(int i=0;i!=N;++i){
        int tot=0;
        int other=0;
        for(auto&x:con[i]){
            int b = explora(x.first,i,x.second);
            if(valores[i]=='1')other=std::max(other,b+1);
            tot+=b;
        }
        assert(count<MAX*2);
        if(valores[i]=='1'){
            --tot;
            tot=std::max(tot,1);
        }
        ans=std::max(ans,tot);
        ans=std::max(ans,other);
    }
    assert(ans);
    std::cout<<ans<<"\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12116 KB Output is correct
2 Correct 6 ms 12116 KB Output is correct
3 Correct 6 ms 12116 KB Output is correct
4 Correct 6 ms 12116 KB Output is correct
5 Correct 6 ms 12116 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 7 ms 12104 KB Output is correct
8 Correct 6 ms 12084 KB Output is correct
9 Correct 6 ms 12116 KB Output is correct
10 Correct 6 ms 12116 KB Output is correct
11 Correct 6 ms 12116 KB Output is correct
12 Correct 8 ms 12180 KB Output is correct
13 Correct 8 ms 12116 KB Output is correct
14 Correct 8 ms 12116 KB Output is correct
15 Correct 7 ms 12116 KB Output is correct
16 Correct 7 ms 12116 KB Output is correct
17 Correct 7 ms 12116 KB Output is correct
18 Correct 8 ms 12116 KB Output is correct
19 Correct 7 ms 12116 KB Output is correct
20 Correct 7 ms 12244 KB Output is correct
21 Correct 6 ms 12140 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12116 KB Output is correct
2 Correct 6 ms 12116 KB Output is correct
3 Correct 6 ms 12116 KB Output is correct
4 Correct 6 ms 12116 KB Output is correct
5 Correct 6 ms 12116 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 7 ms 12104 KB Output is correct
8 Correct 6 ms 12084 KB Output is correct
9 Correct 6 ms 12116 KB Output is correct
10 Correct 6 ms 12116 KB Output is correct
11 Correct 6 ms 12116 KB Output is correct
12 Correct 8 ms 12180 KB Output is correct
13 Correct 8 ms 12116 KB Output is correct
14 Correct 8 ms 12116 KB Output is correct
15 Correct 7 ms 12116 KB Output is correct
16 Correct 7 ms 12116 KB Output is correct
17 Correct 7 ms 12116 KB Output is correct
18 Correct 8 ms 12116 KB Output is correct
19 Correct 7 ms 12116 KB Output is correct
20 Correct 7 ms 12244 KB Output is correct
21 Correct 6 ms 12140 KB Output is correct
22 Correct 7 ms 12244 KB Output is correct
23 Correct 7 ms 12244 KB Output is correct
24 Correct 8 ms 12244 KB Output is correct
25 Correct 7 ms 12244 KB Output is correct
26 Correct 8 ms 12280 KB Output is correct
27 Correct 7 ms 12244 KB Output is correct
28 Correct 7 ms 12264 KB Output is correct
29 Correct 7 ms 12372 KB Output is correct
30 Correct 7 ms 12332 KB Output is correct
31 Correct 8 ms 12244 KB Output is correct
32 Correct 9 ms 12244 KB Output is correct
33 Correct 8 ms 12244 KB Output is correct
34 Correct 9 ms 12228 KB Output is correct
35 Correct 7 ms 12244 KB Output is correct
36 Correct 8 ms 12244 KB Output is correct
37 Correct 9 ms 12240 KB Output is correct
38 Correct 8 ms 12244 KB Output is correct
39 Correct 7 ms 12244 KB Output is correct
40 Correct 7 ms 12244 KB Output is correct
41 Correct 8 ms 12280 KB Output is correct
42 Correct 8 ms 12244 KB Output is correct
43 Correct 8 ms 12244 KB Output is correct
44 Correct 8 ms 12244 KB Output is correct
45 Correct 9 ms 12244 KB Output is correct
46 Correct 10 ms 12312 KB Output is correct
47 Correct 9 ms 12220 KB Output is correct
48 Correct 12 ms 12372 KB Output is correct
49 Correct 8 ms 12372 KB Output is correct
50 Correct 7 ms 12328 KB Output is correct
51 Correct 9 ms 12244 KB Output is correct
52 Correct 7 ms 12244 KB Output is correct
53 Correct 8 ms 12244 KB Output is correct
54 Correct 8 ms 12324 KB Output is correct
55 Correct 8 ms 12244 KB Output is correct
56 Correct 14 ms 12296 KB Output is correct
57 Correct 8 ms 12372 KB Output is correct
58 Correct 13 ms 12300 KB Output is correct
59 Correct 13 ms 12300 KB Output is correct
60 Correct 7 ms 12372 KB Output is correct
61 Correct 14 ms 12244 KB Output is correct
62 Correct 8 ms 12372 KB Output is correct
63 Correct 8 ms 12200 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12116 KB Output is correct
2 Correct 6 ms 12116 KB Output is correct
3 Correct 6 ms 12116 KB Output is correct
4 Correct 6 ms 12116 KB Output is correct
5 Correct 6 ms 12116 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 7 ms 12104 KB Output is correct
8 Correct 6 ms 12084 KB Output is correct
9 Correct 6 ms 12116 KB Output is correct
10 Correct 6 ms 12116 KB Output is correct
11 Correct 6 ms 12116 KB Output is correct
12 Correct 8 ms 12180 KB Output is correct
13 Correct 8 ms 12116 KB Output is correct
14 Correct 8 ms 12116 KB Output is correct
15 Correct 7 ms 12116 KB Output is correct
16 Correct 7 ms 12116 KB Output is correct
17 Correct 7 ms 12116 KB Output is correct
18 Correct 8 ms 12116 KB Output is correct
19 Correct 7 ms 12116 KB Output is correct
20 Correct 7 ms 12244 KB Output is correct
21 Correct 6 ms 12140 KB Output is correct
22 Correct 7 ms 12244 KB Output is correct
23 Correct 7 ms 12244 KB Output is correct
24 Correct 8 ms 12244 KB Output is correct
25 Correct 7 ms 12244 KB Output is correct
26 Correct 8 ms 12280 KB Output is correct
27 Correct 7 ms 12244 KB Output is correct
28 Correct 7 ms 12264 KB Output is correct
29 Correct 7 ms 12372 KB Output is correct
30 Correct 7 ms 12332 KB Output is correct
31 Correct 8 ms 12244 KB Output is correct
32 Correct 9 ms 12244 KB Output is correct
33 Correct 8 ms 12244 KB Output is correct
34 Correct 9 ms 12228 KB Output is correct
35 Correct 7 ms 12244 KB Output is correct
36 Correct 8 ms 12244 KB Output is correct
37 Correct 9 ms 12240 KB Output is correct
38 Correct 8 ms 12244 KB Output is correct
39 Correct 7 ms 12244 KB Output is correct
40 Correct 7 ms 12244 KB Output is correct
41 Correct 8 ms 12280 KB Output is correct
42 Correct 8 ms 12244 KB Output is correct
43 Correct 8 ms 12244 KB Output is correct
44 Correct 8 ms 12244 KB Output is correct
45 Correct 9 ms 12244 KB Output is correct
46 Correct 10 ms 12312 KB Output is correct
47 Correct 9 ms 12220 KB Output is correct
48 Correct 12 ms 12372 KB Output is correct
49 Correct 8 ms 12372 KB Output is correct
50 Correct 7 ms 12328 KB Output is correct
51 Correct 9 ms 12244 KB Output is correct
52 Correct 7 ms 12244 KB Output is correct
53 Correct 8 ms 12244 KB Output is correct
54 Correct 8 ms 12324 KB Output is correct
55 Correct 8 ms 12244 KB Output is correct
56 Correct 14 ms 12296 KB Output is correct
57 Correct 8 ms 12372 KB Output is correct
58 Correct 13 ms 12300 KB Output is correct
59 Correct 13 ms 12300 KB Output is correct
60 Correct 7 ms 12372 KB Output is correct
61 Correct 14 ms 12244 KB Output is correct
62 Correct 8 ms 12372 KB Output is correct
63 Correct 8 ms 12200 KB Output is correct
64 Correct 187 ms 21800 KB Output is correct
65 Correct 168 ms 21744 KB Output is correct
66 Correct 204 ms 21728 KB Output is correct
67 Correct 192 ms 21728 KB Output is correct
68 Correct 167 ms 21704 KB Output is correct
69 Correct 194 ms 21796 KB Output is correct
70 Correct 178 ms 21732 KB Output is correct
71 Correct 172 ms 21720 KB Output is correct
72 Correct 219 ms 21816 KB Output is correct
73 Correct 193 ms 35928 KB Output is correct
74 Correct 184 ms 35904 KB Output is correct
75 Correct 217 ms 23080 KB Output is correct
76 Correct 204 ms 22932 KB Output is correct
77 Correct 165 ms 21720 KB Output is correct
78 Correct 186 ms 21752 KB Output is correct
79 Correct 205 ms 21740 KB Output is correct
80 Correct 159 ms 21796 KB Output is correct
81 Execution timed out 1581 ms 21880 KB Time limit exceeded
82 Halted 0 ms 0 KB -