Submission #836533

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
836533	2023-08-24T12:28:18 Z	ma_moutahid	Keys (IOI21_keys)	C++17	20 / 100	3000 ms	32376 KB

keys

#include <vector>
#include<bits/stdc++.h>
using namespace std;
#define vi vector<int>
#define vii vector<vi>
#define pi pair<int,int>
#define vp vector<pi>

vector<vp> g;

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();
	g.resize(n);
	int m=u.size();
	for(int i=0;i<m;i++){
		g[u[i]].push_back(make_pair(c[i],v[i]));
		g[v[i]].push_back(make_pair(c[i],u[i]));
	}
	vi result(n);
	for(int root=0;root<n;root++){
		vi traversed(n);
		traversed[root]=1;
		set<int>keys;
		keys.insert(r[root]);
		int nk=1;
		multimap<int,int>bridges;
		for(pi p:g[root]){
			if(traversed[p.second])continue;
			bridges.insert(p);
		}
		while(nk){
			nk=0;
			for(int key:keys){
				auto itr=bridges.find(key);
				while(itr!=bridges.end()){
					if(!traversed[itr->second]){
						traversed[itr->second]=true;
						int old=keys.size();
						keys.insert(r[itr->second]);
						if(old!=keys.size())nk++;
						result[root]++;
						for(pi p:g[itr->second]){
							if(traversed[p.second])continue;
							bridges.insert(p);
						}
					}
					bridges.erase(itr);
					itr=bridges.find(key);
				}

			}
		}

	}
	int mn=*min_element(result.begin(),result.end());
	for(int i=0;i<n;i++){
		result[i]=(result[i]==mn);
	}

	

	return result;
}

Compilation message

keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:41:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |       if(old!=keys.size())nk++;
      |          ~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct

Subtask #2
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Correct	6 ms	212 KB	Output is correct
11	Correct	6 ms	300 KB	Output is correct
12	Correct	6 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	7 ms	320 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	4 ms	296 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	12 ms	320 KB	Output is correct
24	Correct	18 ms	212 KB	Output is correct
25	Correct	18 ms	340 KB	Output is correct
26	Correct	25 ms	300 KB	Output is correct

Subtask #3
0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Correct	6 ms	212 KB	Output is correct
11	Correct	6 ms	300 KB	Output is correct
12	Correct	6 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	7 ms	320 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	4 ms	296 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	12 ms	320 KB	Output is correct
24	Correct	18 ms	212 KB	Output is correct
25	Correct	18 ms	340 KB	Output is correct
26	Correct	25 ms	300 KB	Output is correct
27	Correct	2907 ms	616 KB	Output is correct
28	Correct	2850 ms	616 KB	Output is correct
29	Correct	2909 ms	612 KB	Output is correct
30	Correct	353 ms	340 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	2 ms	340 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	100 ms	408 KB	Output is correct
35	Correct	748 ms	424 KB	Output is correct
36	Execution timed out	3066 ms	568 KB	Time limit exceeded
37	Halted	0 ms	0 KB	-

Subtask #4
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Execution timed out	3026 ms	32376 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-

Subtask #5
0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	2 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	2 ms	212 KB	Output is correct
9	Correct	3 ms	212 KB	Output is correct
10	Correct	6 ms	212 KB	Output is correct
11	Correct	6 ms	300 KB	Output is correct
12	Correct	6 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	7 ms	320 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	4 ms	296 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	12 ms	320 KB	Output is correct
24	Correct	18 ms	212 KB	Output is correct
25	Correct	18 ms	340 KB	Output is correct
26	Correct	25 ms	300 KB	Output is correct
27	Correct	2907 ms	616 KB	Output is correct
28	Correct	2850 ms	616 KB	Output is correct
29	Correct	2909 ms	612 KB	Output is correct
30	Correct	353 ms	340 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	2 ms	340 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	100 ms	408 KB	Output is correct
35	Correct	748 ms	424 KB	Output is correct
36	Execution timed out	3066 ms	568 KB	Time limit exceeded
37	Halted	0 ms	0 KB	-

Submission #836533

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 11.0 / 11.0

Subtask #3 0 / 17.0

Subtask #4 0 / 30.0

Subtask #5 0 / 33.0

Subtask #1
9.0 / 9.0

Subtask #2
11.0 / 11.0

Subtask #3
0 / 17.0

Subtask #4
0 / 30.0

Subtask #5
0 / 33.0