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Submission #546190

# Submission time Handle Problem Language Result Execution time Memory
546190 2022-04-06T15:39:42 Z Deepesson Power Plant (JOI20_power) C++17
47 / 100
 1500 ms 28928 KB 
#include <bits/stdc++.h>
#define MAX 205000LL
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;
    tab[ind]=std::max(ans,soma);
    return 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 3 ms 5076 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 5076 KB Output is correct
4 Correct 4 ms 5076 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 3 ms 5024 KB Output is correct
10 Correct 3 ms 5076 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 4 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 2 ms 5076 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5076 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 5076 KB Output is correct
4 Correct 4 ms 5076 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 3 ms 5024 KB Output is correct
10 Correct 3 ms 5076 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 4 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 2 ms 5076 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 5204 KB Output is correct
23 Correct 4 ms 5204 KB Output is correct
24 Correct 5 ms 5204 KB Output is correct
25 Correct 3 ms 5204 KB Output is correct
26 Correct 5 ms 5204 KB Output is correct
27 Correct 5 ms 5204 KB Output is correct
28 Correct 4 ms 5204 KB Output is correct
29 Correct 4 ms 5380 KB Output is correct
30 Correct 3 ms 5340 KB Output is correct
31 Correct 4 ms 5204 KB Output is correct
32 Correct 4 ms 5204 KB Output is correct
33 Correct 4 ms 5204 KB Output is correct
34 Correct 4 ms 5204 KB Output is correct
35 Correct 4 ms 5204 KB Output is correct
36 Correct 3 ms 5152 KB Output is correct
37 Correct 5 ms 5204 KB Output is correct
38 Correct 4 ms 5180 KB Output is correct
39 Correct 4 ms 5204 KB Output is correct
40 Correct 4 ms 5204 KB Output is correct
41 Correct 5 ms 5204 KB Output is correct
42 Correct 4 ms 5204 KB Output is correct
43 Correct 5 ms 5204 KB Output is correct
44 Correct 4 ms 5204 KB Output is correct
45 Correct 3 ms 5188 KB Output is correct
46 Correct 3 ms 5204 KB Output is correct
47 Correct 3 ms 5204 KB Output is correct
48 Correct 5 ms 5332 KB Output is correct
49 Correct 4 ms 5332 KB Output is correct
50 Correct 6 ms 5296 KB Output is correct
51 Correct 4 ms 5204 KB Output is correct
52 Correct 8 ms 5204 KB Output is correct
53 Correct 4 ms 5204 KB Output is correct
54 Correct 4 ms 5204 KB Output is correct
55 Correct 4 ms 5244 KB Output is correct
56 Correct 10 ms 5204 KB Output is correct
57 Correct 4 ms 5332 KB Output is correct
58 Correct 10 ms 5204 KB Output is correct
59 Correct 10 ms 5252 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 8 ms 5204 KB Output is correct
62 Correct 4 ms 5332 KB Output is correct
63 Correct 4 ms 5232 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5076 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 5076 KB Output is correct
4 Correct 4 ms 5076 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 3 ms 5024 KB Output is correct
10 Correct 3 ms 5076 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 4 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 2 ms 5076 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 5204 KB Output is correct
23 Correct 4 ms 5204 KB Output is correct
24 Correct 5 ms 5204 KB Output is correct
25 Correct 3 ms 5204 KB Output is correct
26 Correct 5 ms 5204 KB Output is correct
27 Correct 5 ms 5204 KB Output is correct
28 Correct 4 ms 5204 KB Output is correct
29 Correct 4 ms 5380 KB Output is correct
30 Correct 3 ms 5340 KB Output is correct
31 Correct 4 ms 5204 KB Output is correct
32 Correct 4 ms 5204 KB Output is correct
33 Correct 4 ms 5204 KB Output is correct
34 Correct 4 ms 5204 KB Output is correct
35 Correct 4 ms 5204 KB Output is correct
36 Correct 3 ms 5152 KB Output is correct
37 Correct 5 ms 5204 KB Output is correct
38 Correct 4 ms 5180 KB Output is correct
39 Correct 4 ms 5204 KB Output is correct
40 Correct 4 ms 5204 KB Output is correct
41 Correct 5 ms 5204 KB Output is correct
42 Correct 4 ms 5204 KB Output is correct
43 Correct 5 ms 5204 KB Output is correct
44 Correct 4 ms 5204 KB Output is correct
45 Correct 3 ms 5188 KB Output is correct
46 Correct 3 ms 5204 KB Output is correct
47 Correct 3 ms 5204 KB Output is correct
48 Correct 5 ms 5332 KB Output is correct
49 Correct 4 ms 5332 KB Output is correct
50 Correct 6 ms 5296 KB Output is correct
51 Correct 4 ms 5204 KB Output is correct
52 Correct 8 ms 5204 KB Output is correct
53 Correct 4 ms 5204 KB Output is correct
54 Correct 4 ms 5204 KB Output is correct
55 Correct 4 ms 5244 KB Output is correct
56 Correct 10 ms 5204 KB Output is correct
57 Correct 4 ms 5332 KB Output is correct
58 Correct 10 ms 5204 KB Output is correct
59 Correct 10 ms 5252 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 8 ms 5204 KB Output is correct
62 Correct 4 ms 5332 KB Output is correct
63 Correct 4 ms 5232 KB Output is correct
64 Correct 178 ms 14756 KB Output is correct
65 Correct 194 ms 14672 KB Output is correct
66 Correct 177 ms 14776 KB Output is correct
67 Correct 156 ms 14736 KB Output is correct
68 Correct 199 ms 14700 KB Output is correct
69 Correct 175 ms 14700 KB Output is correct
70 Correct 170 ms 14640 KB Output is correct
71 Correct 198 ms 14776 KB Output is correct
72 Correct 155 ms 14720 KB Output is correct
73 Correct 175 ms 28840 KB Output is correct
74 Correct 198 ms 28928 KB Output is correct
75 Correct 187 ms 15880 KB Output is correct
76 Correct 153 ms 15884 KB Output is correct
77 Correct 163 ms 14712 KB Output is correct
78 Correct 177 ms 14636 KB Output is correct
79 Correct 196 ms 14736 KB Output is correct
80 Correct 182 ms 14732 KB Output is correct
81 Execution timed out 1589 ms 14836 KB Time limit exceeded
82 Halted 0 ms 0 KB -