oj.uz

Submission #253983

# Submission time Handle Problem Language Result Execution time Memory
253983 2020-07-29T08:20:02 Z Berted Tax Evasion (LMIO19_mokesciai) C++14
100 / 100
 346 ms 195820 KB 
#include <iostream>
#include <set>
#include <vector>
#include <assert.h>
#include <map>
#include <deque>
#define vi vector<int>
#define pub push_back
#define pii pair<int, int>
#define fst first
#define snd second
using namespace std;

int n, k, cnt[200001] = {}, mn = 1e9;
bool spc[200001];
deque<int> adj[200001];
vi par;

void dfs(int u, int p)
{
	int h = par.size();
	par.push_back(u);
	cnt[par[h / 2 + 1]] += spc[u];
	spc[u] = 0;
	for (auto v : adj[u])
	{
		// cout << u << " - " << v << "\n";
		if (v != p) dfs(v, u);
	}
	par.pop_back();
}


map<int, int>* dfs2(int u, int p, int h)
{
	map<int, int>* ret = new map<int, int>;
	map<int, int>* rr;
	(*ret)[-h]++;
	for (auto v : adj[u])
	{
		if (v != p)
		{
			rr = dfs2(v, u, h + 1);
			if (rr -> size() > ret -> size()) {swap(rr, ret);}
			for (auto v : *rr) {(*ret)[v.fst] += v.snd;}
		}
	}
	for (int i = 0; i < cnt[u]; i++)
	{
		mn = min(mn, -(ret -> begin() -> fst));
		(ret -> begin() -> snd)--;
		if (ret -> begin() -> snd == 0) {ret -> erase(ret -> begin());}
	}
	return ret;
}

int main()
{
	ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> k;
	for (int i = 1; i < n; i++)
	{
		int v; cin >> v;
		adj[v - 1].push_back(i);
		adj[i].push_back(v - 1);
	}
	for (int i = 0; i < k; i++)
	{
		int x; cin >> x; spc[x - 1] = 1;
	}
	if (spc[0]) {cout << "1\n";}
	else
	{
		dfs(0, -1); dfs2(0 ,-1, 0);
		cout << mn + 1 << '\n';
	}
	
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135032 KB Output is correct
2 Correct 95 ms 135032 KB Output is correct
3 Correct 97 ms 136468 KB Output is correct
4 Correct 97 ms 136440 KB Output is correct
5 Correct 97 ms 136568 KB Output is correct
6 Correct 208 ms 195820 KB Output is correct
7 Correct 204 ms 195820 KB Output is correct
8 Correct 122 ms 136568 KB Output is correct
9 Correct 221 ms 191084 KB Output is correct
10 Correct 223 ms 191084 KB Output is correct
11 Correct 234 ms 193640 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 135032 KB Output is correct
2 Correct 96 ms 135928 KB Output is correct
3 Correct 100 ms 135928 KB Output is correct
4 Correct 98 ms 135672 KB Output is correct
5 Correct 98 ms 135928 KB Output is correct
6 Correct 100 ms 135708 KB Output is correct
7 Correct 208 ms 195820 KB Output is correct
8 Correct 204 ms 195820 KB Output is correct
9 Correct 122 ms 136568 KB Output is correct
10 Correct 196 ms 174828 KB Output is correct
11 Correct 198 ms 174836 KB Output is correct
12 Correct 236 ms 161720 KB Output is correct
13 Correct 218 ms 180076 KB Output is correct
14 Correct 177 ms 161836 KB Output is correct
15 Correct 255 ms 161680 KB Output is correct
16 Correct 260 ms 180076 KB Output is correct
17 Correct 275 ms 162940 KB Output is correct
18 Correct 242 ms 184176 KB Output is correct
19 Correct 278 ms 168568 KB Output is correct
20 Correct 229 ms 167052 KB Output is correct
21 Correct 268 ms 167160 KB Output is correct
22 Correct 241 ms 167128 KB Output is correct
23 Correct 210 ms 166136 KB Output is correct
24 Correct 219 ms 166776 KB Output is correct

Subtask #3
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 134904 KB Output is correct
2 Correct 92 ms 135032 KB Output is correct
3 Correct 94 ms 135032 KB Output is correct
4 Correct 93 ms 134904 KB Output is correct
5 Correct 105 ms 135032 KB Output is correct
6 Correct 95 ms 135928 KB Output is correct
7 Correct 97 ms 135928 KB Output is correct
8 Correct 97 ms 136048 KB Output is correct
9 Correct 102 ms 135672 KB Output is correct
10 Correct 100 ms 135696 KB Output is correct
11 Correct 97 ms 136056 KB Output is correct
12 Correct 99 ms 135544 KB Output is correct
13 Correct 97 ms 135928 KB Output is correct
14 Correct 97 ms 135800 KB Output is correct
15 Correct 103 ms 136184 KB Output is correct
16 Correct 105 ms 136184 KB Output is correct
17 Correct 98 ms 135800 KB Output is correct
18 Correct 102 ms 135928 KB Output is correct
19 Correct 97 ms 135672 KB Output is correct
20 Correct 99 ms 135800 KB Output is correct
21 Correct 101 ms 135800 KB Output is correct
22 Correct 94 ms 135032 KB Output is correct
23 Correct 95 ms 135032 KB Output is correct
24 Correct 97 ms 136468 KB Output is correct
25 Correct 97 ms 136440 KB Output is correct
26 Correct 97 ms 136568 KB Output is correct
27 Correct 93 ms 135032 KB Output is correct
28 Correct 96 ms 135928 KB Output is correct
29 Correct 100 ms 135928 KB Output is correct
30 Correct 98 ms 135672 KB Output is correct
31 Correct 98 ms 135928 KB Output is correct
32 Correct 100 ms 135708 KB Output is correct
33 Correct 122 ms 136568 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 134904 KB Output is correct
2 Correct 92 ms 135032 KB Output is correct
3 Correct 94 ms 135032 KB Output is correct
4 Correct 93 ms 134904 KB Output is correct
5 Correct 105 ms 135032 KB Output is correct
6 Correct 95 ms 135928 KB Output is correct
7 Correct 97 ms 135928 KB Output is correct
8 Correct 97 ms 136048 KB Output is correct
9 Correct 102 ms 135672 KB Output is correct
10 Correct 100 ms 135696 KB Output is correct
11 Correct 97 ms 136056 KB Output is correct
12 Correct 99 ms 135544 KB Output is correct
13 Correct 97 ms 135928 KB Output is correct
14 Correct 97 ms 135800 KB Output is correct
15 Correct 103 ms 136184 KB Output is correct
16 Correct 105 ms 136184 KB Output is correct
17 Correct 98 ms 135800 KB Output is correct
18 Correct 102 ms 135928 KB Output is correct
19 Correct 97 ms 135672 KB Output is correct
20 Correct 99 ms 135800 KB Output is correct
21 Correct 101 ms 135800 KB Output is correct
22 Correct 94 ms 135032 KB Output is correct
23 Correct 95 ms 135032 KB Output is correct
24 Correct 97 ms 136468 KB Output is correct
25 Correct 97 ms 136440 KB Output is correct
26 Correct 97 ms 136568 KB Output is correct
27 Correct 93 ms 135032 KB Output is correct
28 Correct 96 ms 135928 KB Output is correct
29 Correct 100 ms 135928 KB Output is correct
30 Correct 98 ms 135672 KB Output is correct
31 Correct 98 ms 135928 KB Output is correct
32 Correct 100 ms 135708 KB Output is correct
33 Correct 208 ms 195820 KB Output is correct
34 Correct 204 ms 195820 KB Output is correct
35 Correct 122 ms 136568 KB Output is correct
36 Correct 196 ms 174828 KB Output is correct
37 Correct 198 ms 174836 KB Output is correct
38 Correct 236 ms 161720 KB Output is correct
39 Correct 218 ms 180076 KB Output is correct
40 Correct 177 ms 161836 KB Output is correct
41 Correct 255 ms 161680 KB Output is correct
42 Correct 260 ms 180076 KB Output is correct
43 Correct 275 ms 162940 KB Output is correct
44 Correct 242 ms 184176 KB Output is correct
45 Correct 278 ms 168568 KB Output is correct
46 Correct 229 ms 167052 KB Output is correct
47 Correct 268 ms 167160 KB Output is correct
48 Correct 241 ms 167128 KB Output is correct
49 Correct 210 ms 166136 KB Output is correct
50 Correct 219 ms 166776 KB Output is correct
51 Correct 221 ms 191084 KB Output is correct
52 Correct 223 ms 191084 KB Output is correct
53 Correct 234 ms 193640 KB Output is correct
54 Correct 206 ms 174836 KB Output is correct
55 Correct 207 ms 174836 KB Output is correct
56 Correct 205 ms 176884 KB Output is correct
57 Correct 219 ms 161716 KB Output is correct
58 Correct 229 ms 161656 KB Output is correct
59 Correct 271 ms 169832 KB Output is correct
60 Correct 260 ms 159608 KB Output is correct
61 Correct 281 ms 176368 KB Output is correct
62 Correct 346 ms 162680 KB Output is correct
63 Correct 250 ms 181360 KB Output is correct
64 Correct 285 ms 167160 KB Output is correct
65 Correct 235 ms 166008 KB Output is correct
66 Correct 272 ms 163320 KB Output is correct
67 Correct 274 ms 164984 KB Output is correct
68 Correct 269 ms 165624 KB Output is correct
69 Correct 279 ms 160760 KB Output is correct
70 Correct 174 ms 149116 KB Output is correct
71 Correct 214 ms 169456 KB Output is correct