#include <bits/stdc++.h>
using namespace std;
int n, m, mini, maxi, medi, t;
vector<int> adj[100005];
int yeets(int x, int k){
if(adj[x].size() == 0) return 1;
priority_queue<int> cs;
for(auto it : adj[x]) cs.push(yeets(it, k));
int t = 0;
for(int i = 1; i <= k; i++){
if(cs.size() == 0) break;
t += cs.top(); cs.pop();
}
return t+1;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m;
if(m == 1){ cout << 0; return 0; }
for(int i = 2; i <= n; i++){ cin >> t; adj[t].push_back(i); }
mini = 1; maxi = n;
while(mini < maxi){
medi = mini+(maxi-mini)/2;
if(yeets(1, medi) >= m) maxi = medi;
else mini = medi+1;
}
cout << mini;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Output is correct |
2 |
Correct |
4 ms |
2808 KB |
Output is correct |
3 |
Correct |
4 ms |
2680 KB |
Output is correct |
4 |
Correct |
4 ms |
2680 KB |
Output is correct |
5 |
Correct |
5 ms |
2680 KB |
Output is correct |
6 |
Correct |
4 ms |
2680 KB |
Output is correct |
7 |
Correct |
5 ms |
2680 KB |
Output is correct |
8 |
Correct |
5 ms |
2680 KB |
Output is correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2680 KB |
Output is correct |
11 |
Correct |
4 ms |
2680 KB |
Output is correct |
12 |
Correct |
4 ms |
2680 KB |
Output is correct |
13 |
Correct |
4 ms |
2680 KB |
Output is correct |
14 |
Correct |
4 ms |
2684 KB |
Output is correct |
15 |
Correct |
4 ms |
2680 KB |
Output is correct |
16 |
Correct |
4 ms |
2680 KB |
Output is correct |
17 |
Correct |
4 ms |
2680 KB |
Output is correct |
18 |
Correct |
4 ms |
2680 KB |
Output is correct |
19 |
Correct |
4 ms |
2832 KB |
Output is correct |
20 |
Correct |
4 ms |
2680 KB |
Output is correct |
21 |
Correct |
4 ms |
2680 KB |
Output is correct |
22 |
Correct |
4 ms |
2680 KB |
Output is correct |
23 |
Correct |
4 ms |
2680 KB |
Output is correct |
24 |
Correct |
4 ms |
2680 KB |
Output is correct |
25 |
Correct |
4 ms |
2680 KB |
Output is correct |
26 |
Correct |
4 ms |
2760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2808 KB |
Output is correct |
2 |
Correct |
5 ms |
2684 KB |
Output is correct |
3 |
Correct |
5 ms |
2808 KB |
Output is correct |
4 |
Correct |
5 ms |
2808 KB |
Output is correct |
5 |
Correct |
5 ms |
2680 KB |
Output is correct |
6 |
Correct |
4 ms |
2680 KB |
Output is correct |
7 |
Correct |
4 ms |
2684 KB |
Output is correct |
8 |
Correct |
4 ms |
2680 KB |
Output is correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2680 KB |
Output is correct |
11 |
Correct |
4 ms |
2680 KB |
Output is correct |
12 |
Correct |
4 ms |
2680 KB |
Output is correct |
13 |
Correct |
4 ms |
2680 KB |
Output is correct |
14 |
Correct |
5 ms |
2680 KB |
Output is correct |
15 |
Correct |
4 ms |
2680 KB |
Output is correct |
16 |
Correct |
4 ms |
2680 KB |
Output is correct |
17 |
Correct |
5 ms |
2684 KB |
Output is correct |
18 |
Correct |
5 ms |
2680 KB |
Output is correct |
19 |
Correct |
4 ms |
2680 KB |
Output is correct |
20 |
Correct |
5 ms |
2684 KB |
Output is correct |
21 |
Correct |
5 ms |
2808 KB |
Output is correct |
22 |
Correct |
5 ms |
2808 KB |
Output is correct |
23 |
Correct |
5 ms |
2808 KB |
Output is correct |
24 |
Correct |
4 ms |
2680 KB |
Output is correct |
25 |
Correct |
5 ms |
2680 KB |
Output is correct |
26 |
Correct |
4 ms |
2680 KB |
Output is correct |
27 |
Correct |
4 ms |
2680 KB |
Output is correct |
28 |
Correct |
4 ms |
2760 KB |
Output is correct |
29 |
Correct |
4 ms |
2680 KB |
Output is correct |
30 |
Correct |
4 ms |
2680 KB |
Output is correct |
31 |
Correct |
4 ms |
2680 KB |
Output is correct |
32 |
Correct |
4 ms |
2680 KB |
Output is correct |
33 |
Correct |
4 ms |
2680 KB |
Output is correct |
34 |
Correct |
4 ms |
2680 KB |
Output is correct |
35 |
Correct |
4 ms |
2680 KB |
Output is correct |
36 |
Correct |
4 ms |
2680 KB |
Output is correct |
37 |
Correct |
4 ms |
2684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Output is correct |
2 |
Correct |
216 ms |
5240 KB |
Output is correct |
3 |
Correct |
120 ms |
4984 KB |
Output is correct |
4 |
Correct |
120 ms |
4856 KB |
Output is correct |
5 |
Correct |
207 ms |
5372 KB |
Output is correct |
6 |
Correct |
184 ms |
5112 KB |
Output is correct |
7 |
Correct |
177 ms |
4984 KB |
Output is correct |
8 |
Correct |
168 ms |
4856 KB |
Output is correct |
9 |
Correct |
172 ms |
4984 KB |
Output is correct |
10 |
Correct |
151 ms |
4748 KB |
Output is correct |
11 |
Correct |
189 ms |
4880 KB |
Output is correct |
12 |
Correct |
280 ms |
5280 KB |
Output is correct |
13 |
Correct |
201 ms |
5240 KB |
Output is correct |
14 |
Correct |
110 ms |
4344 KB |
Output is correct |
15 |
Correct |
190 ms |
5112 KB |
Output is correct |
16 |
Correct |
115 ms |
4344 KB |
Output is correct |
17 |
Correct |
161 ms |
4780 KB |
Output is correct |
18 |
Correct |
84 ms |
3832 KB |
Output is correct |
19 |
Correct |
48 ms |
3576 KB |
Output is correct |
20 |
Correct |
100 ms |
4472 KB |
Output is correct |
21 |
Correct |
69 ms |
3960 KB |
Output is correct |
22 |
Correct |
30 ms |
3192 KB |
Output is correct |
23 |
Correct |
99 ms |
4472 KB |
Output is correct |
24 |
Correct |
112 ms |
4728 KB |
Output is correct |
25 |
Correct |
4 ms |
2680 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Output is correct |
2 |
Correct |
68 ms |
3684 KB |
Output is correct |
3 |
Correct |
79 ms |
4244 KB |
Output is correct |
4 |
Correct |
143 ms |
4984 KB |
Output is correct |
5 |
Correct |
130 ms |
6264 KB |
Output is correct |
6 |
Correct |
121 ms |
4960 KB |
Output is correct |
7 |
Correct |
145 ms |
14276 KB |
Output is correct |
8 |
Correct |
234 ms |
4984 KB |
Output is correct |
9 |
Correct |
199 ms |
4984 KB |
Output is correct |
10 |
Correct |
280 ms |
4728 KB |
Output is correct |
11 |
Correct |
63 ms |
3576 KB |
Output is correct |
12 |
Correct |
162 ms |
4856 KB |
Output is correct |
13 |
Correct |
116 ms |
4216 KB |
Output is correct |
14 |
Correct |
166 ms |
4728 KB |
Output is correct |
15 |
Correct |
191 ms |
5112 KB |
Output is correct |
16 |
Correct |
92 ms |
3960 KB |
Output is correct |
17 |
Correct |
84 ms |
3704 KB |
Output is correct |
18 |
Correct |
140 ms |
4476 KB |
Output is correct |
19 |
Correct |
184 ms |
4600 KB |
Output is correct |
20 |
Correct |
74 ms |
3836 KB |
Output is correct |
21 |
Correct |
44 ms |
3320 KB |
Output is correct |
22 |
Correct |
58 ms |
7800 KB |
Output is correct |
23 |
Correct |
78 ms |
9720 KB |
Output is correct |
24 |
Correct |
79 ms |
9592 KB |
Output is correct |
25 |
Correct |
62 ms |
4600 KB |
Output is correct |
26 |
Correct |
107 ms |
5888 KB |
Output is correct |
27 |
Correct |
118 ms |
4856 KB |
Output is correct |
28 |
Correct |
74 ms |
4088 KB |
Output is correct |
29 |
Correct |
103 ms |
4556 KB |
Output is correct |
30 |
Correct |
105 ms |
4344 KB |
Output is correct |
31 |
Correct |
128 ms |
4472 KB |
Output is correct |
32 |
Correct |
42 ms |
3320 KB |
Output is correct |
33 |
Correct |
30 ms |
3412 KB |
Output is correct |
34 |
Correct |
30 ms |
3172 KB |
Output is correct |
35 |
Correct |
9 ms |
2844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2808 KB |
Output is correct |
2 |
Correct |
38 ms |
3608 KB |
Output is correct |
3 |
Correct |
70 ms |
4236 KB |
Output is correct |
4 |
Correct |
173 ms |
4856 KB |
Output is correct |
5 |
Correct |
129 ms |
6392 KB |
Output is correct |
6 |
Correct |
138 ms |
4856 KB |
Output is correct |
7 |
Correct |
144 ms |
14372 KB |
Output is correct |
8 |
Correct |
205 ms |
4984 KB |
Output is correct |
9 |
Correct |
67 ms |
3956 KB |
Output is correct |
10 |
Correct |
80 ms |
4280 KB |
Output is correct |
11 |
Correct |
160 ms |
4856 KB |
Output is correct |
12 |
Correct |
134 ms |
6396 KB |
Output is correct |
13 |
Correct |
125 ms |
4916 KB |
Output is correct |
14 |
Correct |
140 ms |
14280 KB |
Output is correct |
15 |
Correct |
233 ms |
5112 KB |
Output is correct |
16 |
Correct |
215 ms |
5116 KB |
Output is correct |
17 |
Correct |
206 ms |
5112 KB |
Output is correct |
18 |
Correct |
190 ms |
5112 KB |
Output is correct |
19 |
Correct |
168 ms |
4600 KB |
Output is correct |
20 |
Correct |
142 ms |
4472 KB |
Output is correct |
21 |
Correct |
145 ms |
4472 KB |
Output is correct |
22 |
Correct |
43 ms |
3320 KB |
Output is correct |
23 |
Correct |
130 ms |
4468 KB |
Output is correct |
24 |
Correct |
57 ms |
3576 KB |
Output is correct |
25 |
Correct |
75 ms |
3708 KB |
Output is correct |
26 |
Correct |
84 ms |
3832 KB |
Output is correct |
27 |
Correct |
152 ms |
4728 KB |
Output is correct |
28 |
Correct |
171 ms |
4856 KB |
Output is correct |
29 |
Correct |
185 ms |
4984 KB |
Output is correct |
30 |
Correct |
21 ms |
2936 KB |
Output is correct |
31 |
Correct |
38 ms |
3192 KB |
Output is correct |
32 |
Correct |
221 ms |
4984 KB |
Output is correct |
33 |
Correct |
192 ms |
4728 KB |
Output is correct |
34 |
Correct |
38 ms |
3192 KB |
Output is correct |
35 |
Correct |
180 ms |
4936 KB |
Output is correct |
36 |
Correct |
201 ms |
4984 KB |
Output is correct |
37 |
Correct |
187 ms |
4728 KB |
Output is correct |
38 |
Correct |
134 ms |
4440 KB |
Output is correct |
39 |
Correct |
197 ms |
4984 KB |
Output is correct |
40 |
Correct |
17 ms |
2936 KB |
Output is correct |
41 |
Correct |
78 ms |
3704 KB |
Output is correct |
42 |
Correct |
114 ms |
12280 KB |
Output is correct |
43 |
Correct |
54 ms |
7324 KB |
Output is correct |
44 |
Correct |
84 ms |
10000 KB |
Output is correct |
45 |
Correct |
112 ms |
6000 KB |
Output is correct |
46 |
Correct |
30 ms |
3576 KB |
Output is correct |
47 |
Correct |
91 ms |
10360 KB |
Output is correct |
48 |
Correct |
117 ms |
12580 KB |
Output is correct |
49 |
Correct |
136 ms |
13908 KB |
Output is correct |
50 |
Correct |
119 ms |
6008 KB |
Output is correct |
51 |
Correct |
64 ms |
4600 KB |
Output is correct |
52 |
Correct |
90 ms |
4344 KB |
Output is correct |
53 |
Correct |
97 ms |
4344 KB |
Output is correct |
54 |
Correct |
57 ms |
3704 KB |
Output is correct |
55 |
Correct |
101 ms |
4344 KB |
Output is correct |
56 |
Correct |
103 ms |
3960 KB |
Output is correct |
57 |
Correct |
234 ms |
4856 KB |
Output is correct |
58 |
Correct |
54 ms |
3704 KB |
Output is correct |
59 |
Correct |
63 ms |
3832 KB |
Output is correct |
60 |
Correct |
103 ms |
4548 KB |
Output is correct |
61 |
Correct |
49 ms |
3448 KB |
Output is correct |
62 |
Correct |
83 ms |
4188 KB |
Output is correct |
63 |
Correct |
85 ms |
3832 KB |
Output is correct |
64 |
Correct |
54 ms |
4092 KB |
Output is correct |
65 |
Correct |
67 ms |
4140 KB |
Output is correct |
66 |
Correct |
24 ms |
3368 KB |
Output is correct |
67 |
Correct |
21 ms |
3332 KB |
Output is correct |
68 |
Correct |
42 ms |
3508 KB |
Output is correct |
69 |
Correct |
26 ms |
3320 KB |
Output is correct |
70 |
Correct |
52 ms |
3668 KB |
Output is correct |
71 |
Correct |
30 ms |
3192 KB |
Output is correct |
72 |
Correct |
4 ms |
2680 KB |
Output is correct |