Submission #894797

# Submission time Handle Problem Language Result Execution time Memory
894797 2023-12-29T03:38:12 Z Faisal_Saqib Keys (IOI21_keys) C++17
37 / 100
3000 ms 1444524 KB
#include <vector>
#include <queue>
#include <iostream>
using namespace std;
const int N=300000+2;
vector<pair<int,int>> edge_with_key[N];
bool used_key[N];
bool marked[N];
int par[N];
vector<int> comp[N];
std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c)
{
	int n=r.size();
	int mi=2*n;
	int ed=u.size();
	vector<int> ap;
	for(int i=0;i<ed;i++)
		edge_with_key[c[i]].push_back({u[i],v[i]});
	for(int st=0;st<n;st++)
	{
		for(int ke=0;ke<n;ke++)
		{
			par[ke]=ke;
			comp[ke]={ke};
			used_key[ke]=marked[ke]=0;
		}
		queue<int> keys;	
		keys.push(r[st]);
		used_key[r[st]]=1;
		marked[st]=1;
		while(keys.size())
		{
			int f=keys.front();
			for(auto [s,e]:edge_with_key[f])
			{
				int ps=par[s];
				int pe=par[e];
				if(ps==pe)
					continue;
				if(pe==(par[st]))
					swap(ps,pe);
				// cout<<"Hello "<<endl;
				// cout<<ps<<' '<<pe<<endl; 
				// cout<<"Comp ";
				for(auto ip:comp[pe])
				{
					comp[ps].push_back(ip);
					par[ip]=ps;
					if(ps==par[st] and !used_key[r[ip]])
					{
						used_key[r[ip]]=1;
						keys.push(r[ip]);
					}
				}
				comp[pe].clear();
				// for(auto it:comp[ps])
				// {
				// 	cout<<it<<' ';
				// }
				// cout<<endl;
			}
			keys.pop();
		}
		int cnt=0;
		for(int ke=0;ke<n;ke++)
			cnt+=(par[ke]==par[st]);
		mi=min(mi,cnt);
		ap.push_back(cnt);
	}
	vector<int> cp;
	for(int i=0;i<n;i++)
	{
		cp.push_back((ap[i]==mi));
	}
	return cp;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 16216 KB Output is correct
2 Correct 3 ms 16216 KB Output is correct
3 Correct 6 ms 16220 KB Output is correct
4 Correct 5 ms 16400 KB Output is correct
5 Correct 4 ms 16276 KB Output is correct
6 Correct 4 ms 16220 KB Output is correct
7 Correct 4 ms 16272 KB Output is correct
8 Correct 5 ms 16216 KB Output is correct
9 Correct 4 ms 16216 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 16216 KB Output is correct
2 Correct 3 ms 16216 KB Output is correct
3 Correct 6 ms 16220 KB Output is correct
4 Correct 5 ms 16400 KB Output is correct
5 Correct 4 ms 16276 KB Output is correct
6 Correct 4 ms 16220 KB Output is correct
7 Correct 4 ms 16272 KB Output is correct
8 Correct 5 ms 16216 KB Output is correct
9 Correct 4 ms 16216 KB Output is correct
10 Correct 4 ms 16220 KB Output is correct
11 Correct 4 ms 16220 KB Output is correct
12 Correct 4 ms 16216 KB Output is correct
13 Correct 4 ms 16220 KB Output is correct
14 Correct 4 ms 16220 KB Output is correct
15 Correct 5 ms 16220 KB Output is correct
16 Correct 3 ms 16220 KB Output is correct
17 Correct 4 ms 16220 KB Output is correct
18 Correct 5 ms 16220 KB Output is correct
19 Correct 4 ms 16220 KB Output is correct
20 Correct 3 ms 16220 KB Output is correct
21 Correct 4 ms 16476 KB Output is correct
22 Correct 4 ms 16220 KB Output is correct
23 Correct 4 ms 16220 KB Output is correct
24 Correct 4 ms 16220 KB Output is correct
25 Correct 5 ms 16472 KB Output is correct
26 Correct 5 ms 16324 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 16216 KB Output is correct
2 Correct 3 ms 16216 KB Output is correct
3 Correct 6 ms 16220 KB Output is correct
4 Correct 5 ms 16400 KB Output is correct
5 Correct 4 ms 16276 KB Output is correct
6 Correct 4 ms 16220 KB Output is correct
7 Correct 4 ms 16272 KB Output is correct
8 Correct 5 ms 16216 KB Output is correct
9 Correct 4 ms 16216 KB Output is correct
10 Correct 4 ms 16220 KB Output is correct
11 Correct 4 ms 16220 KB Output is correct
12 Correct 4 ms 16216 KB Output is correct
13 Correct 4 ms 16220 KB Output is correct
14 Correct 4 ms 16220 KB Output is correct
15 Correct 5 ms 16220 KB Output is correct
16 Correct 3 ms 16220 KB Output is correct
17 Correct 4 ms 16220 KB Output is correct
18 Correct 5 ms 16220 KB Output is correct
19 Correct 4 ms 16220 KB Output is correct
20 Correct 3 ms 16220 KB Output is correct
21 Correct 4 ms 16476 KB Output is correct
22 Correct 4 ms 16220 KB Output is correct
23 Correct 4 ms 16220 KB Output is correct
24 Correct 4 ms 16220 KB Output is correct
25 Correct 5 ms 16472 KB Output is correct
26 Correct 5 ms 16324 KB Output is correct
27 Correct 75 ms 21588 KB Output is correct
28 Correct 59 ms 21588 KB Output is correct
29 Correct 59 ms 21680 KB Output is correct
30 Correct 18 ms 18012 KB Output is correct
31 Correct 7 ms 16220 KB Output is correct
32 Correct 5 ms 16220 KB Output is correct
33 Correct 7 ms 16216 KB Output is correct
34 Correct 25 ms 20136 KB Output is correct
35 Correct 25 ms 19292 KB Output is correct
36 Correct 102 ms 28408 KB Output is correct
37 Correct 101 ms 28428 KB Output is correct
38 Correct 183 ms 31572 KB Output is correct
39 Correct 175 ms 31564 KB Output is correct
40 Correct 25 ms 17236 KB Output is correct
41 Correct 35 ms 20052 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 16216 KB Output is correct
2 Correct 3 ms 16216 KB Output is correct
3 Correct 6 ms 16220 KB Output is correct
4 Correct 5 ms 16400 KB Output is correct
5 Correct 4 ms 16276 KB Output is correct
6 Correct 4 ms 16220 KB Output is correct
7 Correct 4 ms 16272 KB Output is correct
8 Correct 5 ms 16216 KB Output is correct
9 Correct 4 ms 16216 KB Output is correct
10 Execution timed out 3101 ms 1444524 KB Time limit exceeded
11 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 16216 KB Output is correct
2 Correct 3 ms 16216 KB Output is correct
3 Correct 6 ms 16220 KB Output is correct
4 Correct 5 ms 16400 KB Output is correct
5 Correct 4 ms 16276 KB Output is correct
6 Correct 4 ms 16220 KB Output is correct
7 Correct 4 ms 16272 KB Output is correct
8 Correct 5 ms 16216 KB Output is correct
9 Correct 4 ms 16216 KB Output is correct
10 Correct 4 ms 16220 KB Output is correct
11 Correct 4 ms 16220 KB Output is correct
12 Correct 4 ms 16216 KB Output is correct
13 Correct 4 ms 16220 KB Output is correct
14 Correct 4 ms 16220 KB Output is correct
15 Correct 5 ms 16220 KB Output is correct
16 Correct 3 ms 16220 KB Output is correct
17 Correct 4 ms 16220 KB Output is correct
18 Correct 5 ms 16220 KB Output is correct
19 Correct 4 ms 16220 KB Output is correct
20 Correct 3 ms 16220 KB Output is correct
21 Correct 4 ms 16476 KB Output is correct
22 Correct 4 ms 16220 KB Output is correct
23 Correct 4 ms 16220 KB Output is correct
24 Correct 4 ms 16220 KB Output is correct
25 Correct 5 ms 16472 KB Output is correct
26 Correct 5 ms 16324 KB Output is correct
27 Correct 75 ms 21588 KB Output is correct
28 Correct 59 ms 21588 KB Output is correct
29 Correct 59 ms 21680 KB Output is correct
30 Correct 18 ms 18012 KB Output is correct
31 Correct 7 ms 16220 KB Output is correct
32 Correct 5 ms 16220 KB Output is correct
33 Correct 7 ms 16216 KB Output is correct
34 Correct 25 ms 20136 KB Output is correct
35 Correct 25 ms 19292 KB Output is correct
36 Correct 102 ms 28408 KB Output is correct
37 Correct 101 ms 28428 KB Output is correct
38 Correct 183 ms 31572 KB Output is correct
39 Correct 175 ms 31564 KB Output is correct
40 Correct 25 ms 17236 KB Output is correct
41 Correct 35 ms 20052 KB Output is correct
42 Execution timed out 3101 ms 1444524 KB Time limit exceeded
43 Halted 0 ms 0 KB -