답안 #546194

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
546194 2022-04-06T15:48:21 Z Deepesson Power Plant (JOI20_power) C++17
47 / 100
1500 ms 35924 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=2;
    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});++cur;
        con[b].push_back({a,cur});++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);
    }
    std::cout<<ans<<"\n";
}
# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 12116 KB Output is correct
2 Correct 7 ms 12116 KB Output is correct
3 Correct 7 ms 12116 KB Output is correct
4 Correct 8 ms 12116 KB Output is correct
5 Correct 8 ms 12116 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 6 ms 12116 KB Output is correct
8 Correct 6 ms 12116 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 6 ms 12192 KB Output is correct
13 Correct 7 ms 12116 KB Output is correct
14 Correct 6 ms 12192 KB Output is correct
15 Correct 7 ms 12188 KB Output is correct
16 Correct 7 ms 12084 KB Output is correct
17 Correct 7 ms 12128 KB Output is correct
18 Correct 7 ms 12100 KB Output is correct
19 Correct 8 ms 12140 KB Output is correct
20 Correct 8 ms 12116 KB Output is correct
21 Correct 7 ms 12108 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 12116 KB Output is correct
2 Correct 7 ms 12116 KB Output is correct
3 Correct 7 ms 12116 KB Output is correct
4 Correct 8 ms 12116 KB Output is correct
5 Correct 8 ms 12116 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 6 ms 12116 KB Output is correct
8 Correct 6 ms 12116 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 6 ms 12192 KB Output is correct
13 Correct 7 ms 12116 KB Output is correct
14 Correct 6 ms 12192 KB Output is correct
15 Correct 7 ms 12188 KB Output is correct
16 Correct 7 ms 12084 KB Output is correct
17 Correct 7 ms 12128 KB Output is correct
18 Correct 7 ms 12100 KB Output is correct
19 Correct 8 ms 12140 KB Output is correct
20 Correct 8 ms 12116 KB Output is correct
21 Correct 7 ms 12108 KB Output is correct
22 Correct 8 ms 12244 KB Output is correct
23 Correct 6 ms 12240 KB Output is correct
24 Correct 7 ms 12188 KB Output is correct
25 Correct 7 ms 12244 KB Output is correct
26 Correct 8 ms 12256 KB Output is correct
27 Correct 8 ms 12244 KB Output is correct
28 Correct 8 ms 12244 KB Output is correct
29 Correct 7 ms 12372 KB Output is correct
30 Correct 7 ms 12372 KB Output is correct
31 Correct 7 ms 12244 KB Output is correct
32 Correct 7 ms 12244 KB Output is correct
33 Correct 8 ms 12220 KB Output is correct
34 Correct 8 ms 12196 KB Output is correct
35 Correct 8 ms 12288 KB Output is correct
36 Correct 9 ms 12244 KB Output is correct
37 Correct 9 ms 12244 KB Output is correct
38 Correct 7 ms 12244 KB Output is correct
39 Correct 7 ms 12308 KB Output is correct
40 Correct 7 ms 12244 KB Output is correct
41 Correct 7 ms 12244 KB Output is correct
42 Correct 8 ms 12244 KB Output is correct
43 Correct 7 ms 12244 KB Output is correct
44 Correct 7 ms 12256 KB Output is correct
45 Correct 7 ms 12244 KB Output is correct
46 Correct 7 ms 12244 KB Output is correct
47 Correct 9 ms 12244 KB Output is correct
48 Correct 9 ms 12420 KB Output is correct
49 Correct 8 ms 12380 KB Output is correct
50 Correct 8 ms 12244 KB Output is correct
51 Correct 10 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 12244 KB Output is correct
55 Correct 7 ms 12244 KB Output is correct
56 Correct 12 ms 12244 KB Output is correct
57 Correct 8 ms 12364 KB Output is correct
58 Correct 13 ms 12316 KB Output is correct
59 Correct 12 ms 12244 KB Output is correct
60 Correct 8 ms 12348 KB Output is correct
61 Correct 13 ms 12244 KB Output is correct
62 Correct 7 ms 12372 KB Output is correct
63 Correct 7 ms 12264 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 12116 KB Output is correct
2 Correct 7 ms 12116 KB Output is correct
3 Correct 7 ms 12116 KB Output is correct
4 Correct 8 ms 12116 KB Output is correct
5 Correct 8 ms 12116 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 6 ms 12116 KB Output is correct
8 Correct 6 ms 12116 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 6 ms 12192 KB Output is correct
13 Correct 7 ms 12116 KB Output is correct
14 Correct 6 ms 12192 KB Output is correct
15 Correct 7 ms 12188 KB Output is correct
16 Correct 7 ms 12084 KB Output is correct
17 Correct 7 ms 12128 KB Output is correct
18 Correct 7 ms 12100 KB Output is correct
19 Correct 8 ms 12140 KB Output is correct
20 Correct 8 ms 12116 KB Output is correct
21 Correct 7 ms 12108 KB Output is correct
22 Correct 8 ms 12244 KB Output is correct
23 Correct 6 ms 12240 KB Output is correct
24 Correct 7 ms 12188 KB Output is correct
25 Correct 7 ms 12244 KB Output is correct
26 Correct 8 ms 12256 KB Output is correct
27 Correct 8 ms 12244 KB Output is correct
28 Correct 8 ms 12244 KB Output is correct
29 Correct 7 ms 12372 KB Output is correct
30 Correct 7 ms 12372 KB Output is correct
31 Correct 7 ms 12244 KB Output is correct
32 Correct 7 ms 12244 KB Output is correct
33 Correct 8 ms 12220 KB Output is correct
34 Correct 8 ms 12196 KB Output is correct
35 Correct 8 ms 12288 KB Output is correct
36 Correct 9 ms 12244 KB Output is correct
37 Correct 9 ms 12244 KB Output is correct
38 Correct 7 ms 12244 KB Output is correct
39 Correct 7 ms 12308 KB Output is correct
40 Correct 7 ms 12244 KB Output is correct
41 Correct 7 ms 12244 KB Output is correct
42 Correct 8 ms 12244 KB Output is correct
43 Correct 7 ms 12244 KB Output is correct
44 Correct 7 ms 12256 KB Output is correct
45 Correct 7 ms 12244 KB Output is correct
46 Correct 7 ms 12244 KB Output is correct
47 Correct 9 ms 12244 KB Output is correct
48 Correct 9 ms 12420 KB Output is correct
49 Correct 8 ms 12380 KB Output is correct
50 Correct 8 ms 12244 KB Output is correct
51 Correct 10 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 12244 KB Output is correct
55 Correct 7 ms 12244 KB Output is correct
56 Correct 12 ms 12244 KB Output is correct
57 Correct 8 ms 12364 KB Output is correct
58 Correct 13 ms 12316 KB Output is correct
59 Correct 12 ms 12244 KB Output is correct
60 Correct 8 ms 12348 KB Output is correct
61 Correct 13 ms 12244 KB Output is correct
62 Correct 7 ms 12372 KB Output is correct
63 Correct 7 ms 12264 KB Output is correct
64 Correct 210 ms 21880 KB Output is correct
65 Correct 173 ms 21772 KB Output is correct
66 Correct 233 ms 21832 KB Output is correct
67 Correct 176 ms 21744 KB Output is correct
68 Correct 164 ms 21756 KB Output is correct
69 Correct 181 ms 21816 KB Output is correct
70 Correct 199 ms 21804 KB Output is correct
71 Correct 160 ms 21812 KB Output is correct
72 Correct 163 ms 21720 KB Output is correct
73 Correct 236 ms 35924 KB Output is correct
74 Correct 178 ms 35884 KB Output is correct
75 Correct 166 ms 23020 KB Output is correct
76 Correct 198 ms 22984 KB Output is correct
77 Correct 173 ms 21768 KB Output is correct
78 Correct 173 ms 21728 KB Output is correct
79 Correct 211 ms 21776 KB Output is correct
80 Correct 158 ms 21720 KB Output is correct
81 Execution timed out 1585 ms 21808 KB Time limit exceeded
82 Halted 0 ms 0 KB -