oj.uz

Submission #463958

# Submission time Handle Problem Language Result Execution time Memory
463958 2021-08-12T05:38:12 Z blue Cat in a tree (BOI17_catinatree) C++17
100 / 100
 269 ms 220996 KB 
#include <iostream>
#include <deque>
using namespace std;int N,D,x,q=0;deque<int> c[200'000];
deque<int> d(int u){
    deque<int> q(1,1);
    for(int v:c[u]) { auto a=d(v);
        if(q.size()<a.size()) swap(q,a);
        for(int i=0;i<a.size();i++)q[i]=max(q[i],max(a[i]+(D-i<q.size()?q[max(D-i,i)]:0),q[i]+(D-i<a.size()?a[max(D-i,i)]:0)));
        for(int i=a.size();i>=0;i--) if(i+1<q.size()) q[i]=max(q[i],q[i+1]);}
    q.push_front(q.front());return q;}
int main(){
    cin>>N>>D;for(int i=1;i<N;i++){cin>>x;c[x].push_back(i);}
    for(int r:d(0))q=max(q,r);cout<<q<<'\n';}

Compilation message

catinatree.cpp: In function 'std::deque<int> d(int)':
catinatree.cpp:8:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         for(int i=0;i<a.size();i++)q[i]=max(q[i],max(a[i]+(D-i<q.size()?q[max(D-i,i)]:0),q[i]+(D-i<a.size()?a[max(D-i,i)]:0)));
      |                     ~^~~~~~~~~
catinatree.cpp:8:63: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         for(int i=0;i<a.size();i++)q[i]=max(q[i],max(a[i]+(D-i<q.size()?q[max(D-i,i)]:0),q[i]+(D-i<a.size()?a[max(D-i,i)]:0)));
      |                                                            ~~~^~~~~~~~~
catinatree.cpp:8:99: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         for(int i=0;i<a.size();i++)q[i]=max(q[i],max(a[i]+(D-i<q.size()?q[max(D-i,i)]:0),q[i]+(D-i<a.size()?a[max(D-i,i)]:0)));
      |                                                                                                ~~~^~~~~~~~~
catinatree.cpp:9:44: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |         for(int i=a.size();i>=0;i--) if(i+1<q.size()) q[i]=max(q[i],q[i+1]);}
      |                                         ~~~^~~~~~~~~
catinatree.cpp: In function 'int main()':
catinatree.cpp:13:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   13 |     for(int r:d(0))q=max(q,r);cout<<q<<'\n';}
      |     ^~~
catinatree.cpp:13:31: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   13 |     for(int r:d(0))q=max(q,r);cout<<q<<'\n';}
      |                               ^~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 134852 KB Output is correct
2 Correct 91 ms 134852 KB Output is correct
3 Correct 90 ms 134920 KB Output is correct
4 Correct 91 ms 134916 KB Output is correct
5 Correct 90 ms 134920 KB Output is correct
6 Correct 87 ms 134920 KB Output is correct
7 Correct 92 ms 134916 KB Output is correct
8 Correct 91 ms 134936 KB Output is correct
9 Correct 88 ms 134916 KB Output is correct
10 Correct 93 ms 134872 KB Output is correct
11 Correct 94 ms 134912 KB Output is correct
12 Correct 90 ms 134844 KB Output is correct
13 Correct 89 ms 134920 KB Output is correct
14 Correct 98 ms 134900 KB Output is correct
15 Correct 90 ms 134884 KB Output is correct
16 Correct 92 ms 134980 KB Output is correct
17 Correct 97 ms 134832 KB Output is correct
18 Correct 91 ms 134880 KB Output is correct
19 Correct 85 ms 134908 KB Output is correct
20 Correct 91 ms 134840 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 134852 KB Output is correct
2 Correct 91 ms 134852 KB Output is correct
3 Correct 90 ms 134920 KB Output is correct
4 Correct 91 ms 134916 KB Output is correct
5 Correct 90 ms 134920 KB Output is correct
6 Correct 87 ms 134920 KB Output is correct
7 Correct 92 ms 134916 KB Output is correct
8 Correct 91 ms 134936 KB Output is correct
9 Correct 88 ms 134916 KB Output is correct
10 Correct 93 ms 134872 KB Output is correct
11 Correct 94 ms 134912 KB Output is correct
12 Correct 90 ms 134844 KB Output is correct
13 Correct 89 ms 134920 KB Output is correct
14 Correct 98 ms 134900 KB Output is correct
15 Correct 90 ms 134884 KB Output is correct
16 Correct 92 ms 134980 KB Output is correct
17 Correct 97 ms 134832 KB Output is correct
18 Correct 91 ms 134880 KB Output is correct
19 Correct 85 ms 134908 KB Output is correct
20 Correct 91 ms 134840 KB Output is correct
21 Correct 92 ms 136140 KB Output is correct
22 Correct 93 ms 134920 KB Output is correct
23 Correct 90 ms 134812 KB Output is correct
24 Correct 90 ms 134880 KB Output is correct
25 Correct 92 ms 134884 KB Output is correct
26 Correct 90 ms 134824 KB Output is correct
27 Correct 92 ms 134852 KB Output is correct
28 Correct 94 ms 134872 KB Output is correct
29 Correct 91 ms 134876 KB Output is correct
30 Correct 89 ms 134892 KB Output is correct
31 Correct 91 ms 134852 KB Output is correct
32 Correct 89 ms 134800 KB Output is correct
33 Correct 93 ms 134928 KB Output is correct
34 Correct 91 ms 134856 KB Output is correct
35 Correct 85 ms 134852 KB Output is correct
36 Correct 92 ms 134844 KB Output is correct
37 Correct 85 ms 134980 KB Output is correct
38 Correct 91 ms 135076 KB Output is correct
39 Correct 92 ms 135236 KB Output is correct
40 Correct 95 ms 136132 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 134852 KB Output is correct
2 Correct 91 ms 134852 KB Output is correct
3 Correct 90 ms 134920 KB Output is correct
4 Correct 91 ms 134916 KB Output is correct
5 Correct 90 ms 134920 KB Output is correct
6 Correct 87 ms 134920 KB Output is correct
7 Correct 92 ms 134916 KB Output is correct
8 Correct 91 ms 134936 KB Output is correct
9 Correct 88 ms 134916 KB Output is correct
10 Correct 93 ms 134872 KB Output is correct
11 Correct 94 ms 134912 KB Output is correct
12 Correct 90 ms 134844 KB Output is correct
13 Correct 89 ms 134920 KB Output is correct
14 Correct 98 ms 134900 KB Output is correct
15 Correct 90 ms 134884 KB Output is correct
16 Correct 92 ms 134980 KB Output is correct
17 Correct 97 ms 134832 KB Output is correct
18 Correct 91 ms 134880 KB Output is correct
19 Correct 85 ms 134908 KB Output is correct
20 Correct 91 ms 134840 KB Output is correct
21 Correct 92 ms 136140 KB Output is correct
22 Correct 93 ms 134920 KB Output is correct
23 Correct 90 ms 134812 KB Output is correct
24 Correct 90 ms 134880 KB Output is correct
25 Correct 92 ms 134884 KB Output is correct
26 Correct 90 ms 134824 KB Output is correct
27 Correct 92 ms 134852 KB Output is correct
28 Correct 94 ms 134872 KB Output is correct
29 Correct 91 ms 134876 KB Output is correct
30 Correct 89 ms 134892 KB Output is correct
31 Correct 91 ms 134852 KB Output is correct
32 Correct 89 ms 134800 KB Output is correct
33 Correct 93 ms 134928 KB Output is correct
34 Correct 91 ms 134856 KB Output is correct
35 Correct 85 ms 134852 KB Output is correct
36 Correct 92 ms 134844 KB Output is correct
37 Correct 85 ms 134980 KB Output is correct
38 Correct 91 ms 135076 KB Output is correct
39 Correct 92 ms 135236 KB Output is correct
40 Correct 95 ms 136132 KB Output is correct
41 Correct 204 ms 135040 KB Output is correct
42 Correct 166 ms 135056 KB Output is correct
43 Correct 177 ms 134828 KB Output is correct
44 Correct 170 ms 134940 KB Output is correct
45 Correct 164 ms 134932 KB Output is correct
46 Correct 249 ms 134884 KB Output is correct
47 Correct 242 ms 134940 KB Output is correct
48 Correct 266 ms 134960 KB Output is correct
49 Correct 255 ms 134912 KB Output is correct
50 Correct 139 ms 134864 KB Output is correct
51 Correct 126 ms 134856 KB Output is correct
52 Correct 137 ms 134864 KB Output is correct
53 Correct 197 ms 135352 KB Output is correct
54 Correct 196 ms 135364 KB Output is correct
55 Correct 188 ms 135344 KB Output is correct
56 Correct 98 ms 135748 KB Output is correct
57 Correct 113 ms 152080 KB Output is correct
58 Correct 202 ms 212352 KB Output is correct
59 Correct 269 ms 220996 KB Output is correct
60 Correct 205 ms 135012 KB Output is correct
61 Correct 217 ms 135008 KB Output is correct