#include <bits/stdc++.h>
using namespace std;
#define z(X, Y) (X = max(X, Y))
#define get(X, Y) (Y < int(size(X)) ? X[Y] : 0)
int main() {
ios::sync_with_stdio(0), cin.tie(0);
int N, D; cin >> N >> D;
vector<int> g[N];
deque<int> d[N];
for(int i = 1, j; i < N; ++i) {
cin >> j;
g[j].push_back(i);
}
for(int u = N; u--; ) {
for(const int &v : g[u]) {
if(size(d[u]) < size(d[v]))
d[u].swap(d[v]);
for(int i = 0; i < size(d[v]); i++) {
int k = max(i, D - i - 2);
z(d[u][i], max(d[u][i] + get(d[v], k), d[v][i] + get(d[u], k)));
}
for(int i = size(d[v])-1; i-->0; )
z(d[u][i], d[u][i+1]);
}
d[u].push_front(max(get(d[u], 0), 1 + get(d[u], D - 1)));
}
cout << d[0][0];
}
Compilation message
catinatree.cpp: In function 'int main()':
catinatree.cpp:25:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for(int i = 0; i < size(d[v]); i++) {
| ~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
316 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
316 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
1340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
696 KB |
Output is correct |
| 23 |
Correct |
1 ms |
716 KB |
Output is correct |
| 24 |
Correct |
1 ms |
716 KB |
Output is correct |
| 25 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 26 |
Correct |
1 ms |
1200 KB |
Output is correct |
| 27 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1740 KB |
Output is correct |
| 29 |
Correct |
1 ms |
1740 KB |
Output is correct |
| 30 |
Correct |
1 ms |
1740 KB |
Output is correct |
| 31 |
Correct |
1 ms |
1740 KB |
Output is correct |
| 32 |
Correct |
2 ms |
1996 KB |
Output is correct |
| 33 |
Correct |
1 ms |
1996 KB |
Output is correct |
| 34 |
Correct |
1 ms |
1868 KB |
Output is correct |
| 35 |
Correct |
1 ms |
1868 KB |
Output is correct |
| 36 |
Correct |
2 ms |
1968 KB |
Output is correct |
| 37 |
Correct |
1 ms |
1996 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1972 KB |
Output is correct |
| 39 |
Correct |
1 ms |
1868 KB |
Output is correct |
| 40 |
Correct |
1 ms |
1356 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
316 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
1340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
696 KB |
Output is correct |
| 23 |
Correct |
1 ms |
716 KB |
Output is correct |
| 24 |
Correct |
1 ms |
716 KB |
Output is correct |
| 25 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 26 |
Correct |
1 ms |
1200 KB |
Output is correct |
| 27 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1740 KB |
Output is correct |
| 29 |
Correct |
1 ms |
1740 KB |
Output is correct |
| 30 |
Correct |
1 ms |
1740 KB |
Output is correct |
| 31 |
Correct |
1 ms |
1740 KB |
Output is correct |
| 32 |
Correct |
2 ms |
1996 KB |
Output is correct |
| 33 |
Correct |
1 ms |
1996 KB |
Output is correct |
| 34 |
Correct |
1 ms |
1868 KB |
Output is correct |
| 35 |
Correct |
1 ms |
1868 KB |
Output is correct |
| 36 |
Correct |
2 ms |
1968 KB |
Output is correct |
| 37 |
Correct |
1 ms |
1996 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1972 KB |
Output is correct |
| 39 |
Correct |
1 ms |
1868 KB |
Output is correct |
| 40 |
Correct |
1 ms |
1356 KB |
Output is correct |
| 41 |
Correct |
155 ms |
176180 KB |
Output is correct |
| 42 |
Correct |
111 ms |
97876 KB |
Output is correct |
| 43 |
Correct |
109 ms |
97996 KB |
Output is correct |
| 44 |
Correct |
108 ms |
97876 KB |
Output is correct |
| 45 |
Correct |
109 ms |
97848 KB |
Output is correct |
| 46 |
Correct |
234 ms |
195712 KB |
Output is correct |
| 47 |
Correct |
241 ms |
195776 KB |
Output is correct |
| 48 |
Correct |
257 ms |
195636 KB |
Output is correct |
| 49 |
Correct |
244 ms |
195772 KB |
Output is correct |
| 50 |
Correct |
93 ms |
122076 KB |
Output is correct |
| 51 |
Correct |
94 ms |
121960 KB |
Output is correct |
| 52 |
Correct |
93 ms |
121992 KB |
Output is correct |
| 53 |
Correct |
193 ms |
244272 KB |
Output is correct |
| 54 |
Correct |
192 ms |
244164 KB |
Output is correct |
| 55 |
Correct |
191 ms |
244216 KB |
Output is correct |
| 56 |
Correct |
2 ms |
2636 KB |
Output is correct |
| 57 |
Correct |
14 ms |
16480 KB |
Output is correct |
| 58 |
Correct |
77 ms |
78836 KB |
Output is correct |
| 59 |
Correct |
172 ms |
195988 KB |
Output is correct |
| 60 |
Correct |
162 ms |
174700 KB |
Output is correct |
| 61 |
Correct |
163 ms |
170524 KB |
Output is correct |
