oj.uz

Submission #546186

# Submission time Handle Problem Language Result Execution time Memory
546186 2022-04-06T15:32:40 Z Deepesson Power Plant (JOI20_power) C++17
47 / 100
 1500 ms 57148 KB 
#include <bits/stdc++.h>
#define MAX 205000
std::vector<int> con[MAX];
std::string valores;
typedef std::pair<int,int> pii;
std::map<pii,int> mapa;

int explora(int pos,int prev){
    pii cod = {pos,prev};
    if(mapa.find(cod)!=mapa.end())return mapa[cod];
    int ans=0;
    if(valores[pos]=='1')ans=1;
    int soma=0;
    for(auto&x:con[pos]){
        if(x==prev)continue;
        soma+=explora(x,pos);
    }
    if(valores[pos]=='1')--soma;
    mapa[cod]=std::max(ans,soma);
    return std::max(ans,soma);
}

int N;
int ans=0;
int main()
{
    std::cin>>N;
    for(int i=1;i!=N;++i){
        int a,b;
        std::cin>>a>>b;
        --a;--b;
        con[a].push_back(b);
        con[b].push_back(a);
    }
    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,i);
            if(valores[i]=='1')other=std::max(other,b+1);
            tot+=b;
        }
        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 4 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 3 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 5028 KB Output is correct
9 Correct 3 ms 5076 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 5112 KB Output is correct
13 Correct 3 ms 5116 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 5116 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 3 ms 5076 KB Output is correct
19 Correct 3 ms 5000 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5116 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 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 3 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 5028 KB Output is correct
9 Correct 3 ms 5076 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 5112 KB Output is correct
13 Correct 3 ms 5116 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 5116 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 3 ms 5076 KB Output is correct
19 Correct 3 ms 5000 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5116 KB Output is correct
22 Correct 7 ms 5432 KB Output is correct
23 Correct 6 ms 5460 KB Output is correct
24 Correct 7 ms 5460 KB Output is correct
25 Correct 8 ms 5460 KB Output is correct
26 Correct 7 ms 5388 KB Output is correct
27 Correct 7 ms 5460 KB Output is correct
28 Correct 8 ms 5332 KB Output is correct
29 Correct 8 ms 5588 KB Output is correct
30 Correct 7 ms 5460 KB Output is correct
31 Correct 7 ms 5436 KB Output is correct
32 Correct 6 ms 5384 KB Output is correct
33 Correct 7 ms 5332 KB Output is correct
34 Correct 6 ms 5332 KB Output is correct
35 Correct 7 ms 5388 KB Output is correct
36 Correct 7 ms 5332 KB Output is correct
37 Correct 153 ms 5408 KB Output is correct
38 Correct 39 ms 5416 KB Output is correct
39 Correct 9 ms 5440 KB Output is correct
40 Correct 7 ms 5460 KB Output is correct
41 Correct 6 ms 5508 KB Output is correct
42 Correct 7 ms 5380 KB Output is correct
43 Correct 6 ms 5440 KB Output is correct
44 Correct 11 ms 5460 KB Output is correct
45 Correct 12 ms 5380 KB Output is correct
46 Correct 11 ms 5384 KB Output is correct
47 Correct 12 ms 5460 KB Output is correct
48 Correct 142 ms 5500 KB Output is correct
49 Correct 62 ms 5532 KB Output is correct
50 Correct 39 ms 5508 KB Output is correct
51 Correct 23 ms 5460 KB Output is correct
52 Correct 8 ms 5460 KB Output is correct
53 Correct 43 ms 5468 KB Output is correct
54 Correct 13 ms 5432 KB Output is correct
55 Correct 8 ms 5460 KB Output is correct
56 Correct 618 ms 5768 KB Output is correct
57 Correct 6 ms 5588 KB Output is correct
58 Correct 613 ms 5632 KB Output is correct
59 Correct 618 ms 5560 KB Output is correct
60 Correct 6 ms 5512 KB Output is correct
61 Correct 611 ms 5412 KB Output is correct
62 Correct 7 ms 5588 KB Output is correct
63 Correct 7 ms 5332 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 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 3 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 5028 KB Output is correct
9 Correct 3 ms 5076 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 5112 KB Output is correct
13 Correct 3 ms 5116 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 5116 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 3 ms 5076 KB Output is correct
19 Correct 3 ms 5000 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5116 KB Output is correct
22 Correct 7 ms 5432 KB Output is correct
23 Correct 6 ms 5460 KB Output is correct
24 Correct 7 ms 5460 KB Output is correct
25 Correct 8 ms 5460 KB Output is correct
26 Correct 7 ms 5388 KB Output is correct
27 Correct 7 ms 5460 KB Output is correct
28 Correct 8 ms 5332 KB Output is correct
29 Correct 8 ms 5588 KB Output is correct
30 Correct 7 ms 5460 KB Output is correct
31 Correct 7 ms 5436 KB Output is correct
32 Correct 6 ms 5384 KB Output is correct
33 Correct 7 ms 5332 KB Output is correct
34 Correct 6 ms 5332 KB Output is correct
35 Correct 7 ms 5388 KB Output is correct
36 Correct 7 ms 5332 KB Output is correct
37 Correct 153 ms 5408 KB Output is correct
38 Correct 39 ms 5416 KB Output is correct
39 Correct 9 ms 5440 KB Output is correct
40 Correct 7 ms 5460 KB Output is correct
41 Correct 6 ms 5508 KB Output is correct
42 Correct 7 ms 5380 KB Output is correct
43 Correct 6 ms 5440 KB Output is correct
44 Correct 11 ms 5460 KB Output is correct
45 Correct 12 ms 5380 KB Output is correct
46 Correct 11 ms 5384 KB Output is correct
47 Correct 12 ms 5460 KB Output is correct
48 Correct 142 ms 5500 KB Output is correct
49 Correct 62 ms 5532 KB Output is correct
50 Correct 39 ms 5508 KB Output is correct
51 Correct 23 ms 5460 KB Output is correct
52 Correct 8 ms 5460 KB Output is correct
53 Correct 43 ms 5468 KB Output is correct
54 Correct 13 ms 5432 KB Output is correct
55 Correct 8 ms 5460 KB Output is correct
56 Correct 618 ms 5768 KB Output is correct
57 Correct 6 ms 5588 KB Output is correct
58 Correct 613 ms 5632 KB Output is correct
59 Correct 618 ms 5560 KB Output is correct
60 Correct 6 ms 5512 KB Output is correct
61 Correct 611 ms 5412 KB Output is correct
62 Correct 7 ms 5588 KB Output is correct
63 Correct 7 ms 5332 KB Output is correct
64 Correct 1089 ms 39512 KB Output is correct
65 Correct 1016 ms 39516 KB Output is correct
66 Correct 1062 ms 39476 KB Output is correct
67 Correct 1044 ms 39388 KB Output is correct
68 Correct 1068 ms 39332 KB Output is correct
69 Correct 1077 ms 39356 KB Output is correct
70 Correct 1056 ms 39496 KB Output is correct
71 Correct 1060 ms 39464 KB Output is correct
72 Correct 1030 ms 39380 KB Output is correct
73 Correct 944 ms 57148 KB Output is correct
74 Correct 955 ms 57104 KB Output is correct
75 Correct 1010 ms 39336 KB Output is correct
76 Correct 1002 ms 39348 KB Output is correct
77 Correct 947 ms 39388 KB Output is correct
78 Correct 965 ms 39304 KB Output is correct
79 Correct 929 ms 39352 KB Output is correct
80 Correct 938 ms 39380 KB Output is correct
81 Execution timed out 1577 ms 27228 KB Time limit exceeded
82 Halted 0 ms 0 KB -