oj.uz

Submission #132488

# Submission time Handle Problem Language Result Execution time Memory
132488 2019-07-19T04:19:37 Z 이온조(#3199) Cat in a tree (BOI17_catinatree) C++14
100 / 100
 222 ms 15896 KB 
#include <bits/stdc++.h>
using namespace std;

int N, D, d[200009], mx[200009];
vector<int> adj[200009];
bool chk[200009];

void dfs(int x, int p, int l) {
	if(mx[x] >= l) return;
	mx[x] = l;
	chk[x] = 1;
	for(auto& it: adj[x]) if(it != p) dfs(it, x, l-1);
}

int main() {
	scanf("%d%d",&N,&D);
	for(int i=1; i<N; i++) {
		int foo; scanf("%d",&foo);
		adj[foo].push_back(i);
		adj[i].push_back(foo);
		d[i] = d[foo] + 1;
	}
	vector<int> S;
	for(int i=0; i<N; i++) S.push_back(i);
	sort(S.begin(), S.end(), [&](int PP, int QQ) { return d[PP] > d[QQ]; });
	int ans = 0;
	for(auto& it: S) {
		if(chk[it]) continue;
		++ans;
		dfs(it, it, D);
	}
	printf("%d", ans);
	return 0;
}

Compilation message

catinatree.cpp: In function 'int main()':
catinatree.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&N,&D);
  ~~~~~^~~~~~~~~~~~~~
catinatree.cpp:18:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int foo; scanf("%d",&foo);
            ~~~~~^~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 6 ms 4988 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4988 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 5072 KB Output is correct
14 Correct 7 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 6 ms 5032 KB Output is correct
19 Correct 8 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 7 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 6 ms 4988 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4988 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 5072 KB Output is correct
14 Correct 7 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 6 ms 5032 KB Output is correct
19 Correct 8 ms 4984 KB Output is correct
20 Correct 7 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 7 ms 5112 KB Output is correct
23 Correct 6 ms 4984 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 7 ms 5112 KB Output is correct
26 Correct 6 ms 5112 KB Output is correct
27 Correct 7 ms 5112 KB Output is correct
28 Correct 7 ms 5112 KB Output is correct
29 Correct 6 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 8 ms 5112 KB Output is correct
33 Correct 7 ms 5112 KB Output is correct
34 Correct 7 ms 5112 KB Output is correct
35 Correct 7 ms 5112 KB Output is correct
36 Correct 6 ms 5112 KB Output is correct
37 Correct 7 ms 5112 KB Output is correct
38 Correct 7 ms 5112 KB Output is correct
39 Correct 7 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 7 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 6 ms 4988 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4988 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 5072 KB Output is correct
14 Correct 7 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 6 ms 5032 KB Output is correct
19 Correct 8 ms 4984 KB Output is correct
20 Correct 7 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 7 ms 5112 KB Output is correct
23 Correct 6 ms 4984 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 7 ms 5112 KB Output is correct
26 Correct 6 ms 5112 KB Output is correct
27 Correct 7 ms 5112 KB Output is correct
28 Correct 7 ms 5112 KB Output is correct
29 Correct 6 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 8 ms 5112 KB Output is correct
33 Correct 7 ms 5112 KB Output is correct
34 Correct 7 ms 5112 KB Output is correct
35 Correct 7 ms 5112 KB Output is correct
36 Correct 6 ms 5112 KB Output is correct
37 Correct 7 ms 5112 KB Output is correct
38 Correct 7 ms 5112 KB Output is correct
39 Correct 7 ms 5112 KB Output is correct
40 Correct 7 ms 5112 KB Output is correct
41 Correct 88 ms 14032 KB Output is correct
42 Correct 55 ms 10244 KB Output is correct
43 Correct 64 ms 10196 KB Output is correct
44 Correct 62 ms 10224 KB Output is correct
45 Correct 56 ms 10356 KB Output is correct
46 Correct 141 ms 15336 KB Output is correct
47 Correct 222 ms 15336 KB Output is correct
48 Correct 148 ms 15336 KB Output is correct
49 Correct 135 ms 15276 KB Output is correct
50 Correct 40 ms 10544 KB Output is correct
51 Correct 42 ms 10456 KB Output is correct
52 Correct 42 ms 10480 KB Output is correct
53 Correct 77 ms 15896 KB Output is correct
54 Correct 79 ms 15748 KB Output is correct
55 Correct 83 ms 15848 KB Output is correct
56 Correct 7 ms 5116 KB Output is correct
57 Correct 14 ms 6264 KB Output is correct
58 Correct 45 ms 10612 KB Output is correct
59 Correct 125 ms 15696 KB Output is correct
60 Correct 89 ms 14928 KB Output is correct
61 Correct 124 ms 14700 KB Output is correct