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Submission #136209

# Submission time Handle Problem Language Result Execution time Memory
136209 2019-07-25T01:34:20 Z thebes Cat in a tree (BOI17_catinatree) C++14
100 / 100
 116 ms 18008 KB 
#include <bits/stdc++.h>
using namespace std;

const int MN = 2e5+5;
int N, D, i, x, d[MN], ans;
vector<int> adj[MN];

void solve(int n){
    vector<int> vec;
    for(auto v : adj[n]){
        solve(v);
        vec.push_back(d[v]-1);
    }
    sort(vec.begin(),vec.end(),[](int i,int j){return i>j;});
    while(vec.size()>=2){
        if(vec[0]+vec[1]<=D) break;
        else{
            ans--;
            vec.erase(vec.begin());
        }
    }
    if(vec.empty()||vec[0]<=0){
        ans ++;
        d[n] = D;
    }
    else d[n] = vec[0];
}

int main(){
    for(scanf("%d%d",&N,&D),i=2;i<=N;i++){
        scanf("%d",&x);
        adj[x+1].push_back(i);
    }
    solve(1);
    printf("%d\n",ans);
    return 0;
}

Compilation message

catinatree.cpp: In function 'int main()':
catinatree.cpp:30:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(scanf("%d%d",&N,&D),i=2;i<=N;i++){
         ~~~~~~~~~~~~~~~~~~~^~~~
catinatree.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&x);
         ~~~~~^~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4956 KB Output is correct
2 Correct 7 ms 4984 KB Output is correct
3 Correct 7 ms 4984 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 8 ms 4984 KB Output is correct
7 Correct 7 ms 4988 KB Output is correct
8 Correct 8 ms 4984 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 7 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 6 ms 4956 KB Output is correct
18 Correct 8 ms 4956 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 7 ms 4984 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4956 KB Output is correct
2 Correct 7 ms 4984 KB Output is correct
3 Correct 7 ms 4984 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 8 ms 4984 KB Output is correct
7 Correct 7 ms 4988 KB Output is correct
8 Correct 8 ms 4984 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 7 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 6 ms 4956 KB Output is correct
18 Correct 8 ms 4956 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 7 ms 4984 KB Output is correct
21 Correct 6 ms 5240 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 7 ms 5112 KB Output is correct
24 Correct 8 ms 5112 KB Output is correct
25 Correct 8 ms 5112 KB Output is correct
26 Correct 7 ms 4984 KB Output is correct
27 Correct 7 ms 4984 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 7 ms 5112 KB Output is correct
30 Correct 7 ms 5112 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 6 ms 5112 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 4988 KB Output is correct
35 Correct 8 ms 5112 KB Output is correct
36 Correct 7 ms 5112 KB Output is correct
37 Correct 7 ms 5112 KB Output is correct
38 Correct 9 ms 4984 KB Output is correct
39 Correct 8 ms 5112 KB Output is correct
40 Correct 7 ms 5112 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4956 KB Output is correct
2 Correct 7 ms 4984 KB Output is correct
3 Correct 7 ms 4984 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 8 ms 4984 KB Output is correct
7 Correct 7 ms 4988 KB Output is correct
8 Correct 8 ms 4984 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 7 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 6 ms 4956 KB Output is correct
18 Correct 8 ms 4956 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 7 ms 4984 KB Output is correct
21 Correct 6 ms 5240 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 7 ms 5112 KB Output is correct
24 Correct 8 ms 5112 KB Output is correct
25 Correct 8 ms 5112 KB Output is correct
26 Correct 7 ms 4984 KB Output is correct
27 Correct 7 ms 4984 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 7 ms 5112 KB Output is correct
30 Correct 7 ms 5112 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 6 ms 5112 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 4988 KB Output is correct
35 Correct 8 ms 5112 KB Output is correct
36 Correct 7 ms 5112 KB Output is correct
37 Correct 7 ms 5112 KB Output is correct
38 Correct 9 ms 4984 KB Output is correct
39 Correct 8 ms 5112 KB Output is correct
40 Correct 7 ms 5112 KB Output is correct
41 Correct 87 ms 10884 KB Output is correct
42 Correct 63 ms 7544 KB Output is correct
43 Correct 52 ms 7544 KB Output is correct
44 Correct 69 ms 7544 KB Output is correct
45 Correct 51 ms 7672 KB Output is correct
46 Correct 115 ms 10292 KB Output is correct
47 Correct 116 ms 10348 KB Output is correct
48 Correct 110 ms 10196 KB Output is correct
49 Correct 107 ms 10232 KB Output is correct
50 Correct 25 ms 6392 KB Output is correct
51 Correct 25 ms 6392 KB Output is correct
52 Correct 25 ms 6392 KB Output is correct
53 Correct 45 ms 7804 KB Output is correct
54 Correct 46 ms 7636 KB Output is correct
55 Correct 47 ms 7612 KB Output is correct
56 Correct 7 ms 5112 KB Output is correct
57 Correct 13 ms 7416 KB Output is correct
58 Correct 41 ms 15864 KB Output is correct
59 Correct 103 ms 18008 KB Output is correct
60 Correct 68 ms 11640 KB Output is correct
61 Correct 83 ms 10912 KB Output is correct