Submission #894847

# Submission time Handle Problem Language Result Execution time Memory
894847 2023-12-29T05:51:11 Z Faisal_Saqib Fountain Parks (IOI21_parks) C++17
15 / 100
456 ms 34984 KB
#include <vector>
#include <map>
#include <queue>
using namespace std;
void build(std::vector<int> u, std::vector<int> v, std::vector<int> a, std::vector<int> b);
int construct_roads(std::vector<int> x, std::vector<int> y)
{
	int n=x.size();
	vector<int> u,v,a,b;
	map<pair<int,int>,int> ind;
	for(int i=0;i<n;i++)
		ind[{x[i],y[i]}]=i;
	map<int,bool> vis;
	queue<pair<int,int>> q;
	q.push({x[0],y[0]});
	vis[0]=1;
	while(q.size())
	{
		auto f=q.front();
		q.pop();
		if(ind.find({f.first,f.second+2})!=ind.end() and !vis[ind[{f.first,f.second+2}]])
		{
			vis[ind[{f.first,f.second+2}]]=1;
			u.push_back(ind[f]);
			v.push_back(ind[{f.first,f.second+2}]);
			if(f.first==2)
			{
				a.push_back(f.first-1);
				b.push_back(f.second+1);
			}
			else// 4
			{
				a.push_back(f.first+1);
				b.push_back(f.second+1);
			}
			q.push({f.first,f.second+2});
		}
		if(ind.find({f.first+2,f.second})!=ind.end() and !vis[ind[{f.first+2,f.second}]])
		{
			vis[ind[{f.first+2,f.second}]]=1;
			u.push_back(ind[f]);
			v.push_back(ind[{f.first+2,f.second}]);
			a.push_back(f.first+1);
			b.push_back(f.second+1);
			q.push({f.first+2,f.second});
		}
		if(ind.find({f.first,f.second-2})!=ind.end() and !vis[ind[{f.first,f.second-2}]])
		{
			vis[ind[{f.first,f.second-2}]]=1;
			u.push_back(ind[f]);
			v.push_back(ind[{f.first,f.second-2}]);
			if(f.first==2)
			{
				a.push_back(f.first-1);
				b.push_back(f.second-1);
			}
			else// 4
			{
				a.push_back(f.first+1);
				b.push_back(f.second-1);
			}
			q.push({f.first,f.second-2});
		}
		if(ind.find({f.first-2,f.second})!=ind.end() and !vis[ind[{f.first-2,f.second}]])
		{
			vis[ind[{f.first-2,f.second}]]=1;
			u.push_back(ind[f]);
			v.push_back(ind[{f.first-2,f.second}]);
			a.push_back(f.first-1);
			b.push_back(f.second-1);
			q.push({f.first-2,f.second});
		}
	}
	if(vis.size()!=n)
		return 0;
	build(u,v,a,b);
	return 1;
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:74:15: warning: comparison of integer expressions of different signedness: 'std::map<int, bool>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   74 |  if(vis.size()!=n)
      |     ~~~~~~~~~~^~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 172 ms 17628 KB Output is correct
10 Correct 13 ms 2140 KB Output is correct
11 Correct 81 ms 9492 KB Output is correct
12 Correct 18 ms 3164 KB Output is correct
13 Correct 41 ms 5724 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 171 ms 17640 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 172 ms 17628 KB Output is correct
10 Correct 13 ms 2140 KB Output is correct
11 Correct 81 ms 9492 KB Output is correct
12 Correct 18 ms 3164 KB Output is correct
13 Correct 41 ms 5724 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 171 ms 17640 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 456 ms 34832 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 600 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 148 ms 14140 KB Output is correct
29 Correct 241 ms 20916 KB Output is correct
30 Correct 353 ms 27832 KB Output is correct
31 Correct 435 ms 34848 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 178 ms 17440 KB Output is correct
46 Correct 274 ms 25424 KB Output is correct
47 Correct 283 ms 25784 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 172 ms 17628 KB Output is correct
10 Correct 13 ms 2140 KB Output is correct
11 Correct 81 ms 9492 KB Output is correct
12 Correct 18 ms 3164 KB Output is correct
13 Correct 41 ms 5724 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 171 ms 17640 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 456 ms 34832 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 600 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 148 ms 14140 KB Output is correct
29 Correct 241 ms 20916 KB Output is correct
30 Correct 353 ms 27832 KB Output is correct
31 Correct 435 ms 34848 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 178 ms 17440 KB Output is correct
46 Correct 274 ms 25424 KB Output is correct
47 Correct 283 ms 25784 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Incorrect 0 ms 348 KB Tree @(5, 3) appears more than once: for edges on positions 1 and 3
52 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 172 ms 17628 KB Output is correct
10 Correct 13 ms 2140 KB Output is correct
11 Correct 81 ms 9492 KB Output is correct
12 Correct 18 ms 3164 KB Output is correct
13 Correct 41 ms 5724 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 171 ms 17640 KB Output is correct
17 Correct 0 ms 544 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Incorrect 431 ms 34972 KB Tree @(195233, 4771) appears more than once: for edges on positions 0 and 2
21 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 172 ms 17628 KB Output is correct
10 Correct 13 ms 2140 KB Output is correct
11 Correct 81 ms 9492 KB Output is correct
12 Correct 18 ms 3164 KB Output is correct
13 Correct 41 ms 5724 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 171 ms 17640 KB Output is correct
17 Correct 426 ms 34984 KB Output is correct
18 Incorrect 429 ms 34724 KB Tree @(50003, 50003) appears more than once: for edges on positions 39328 and 39329
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 172 ms 17628 KB Output is correct
10 Correct 13 ms 2140 KB Output is correct
11 Correct 81 ms 9492 KB Output is correct
12 Correct 18 ms 3164 KB Output is correct
13 Correct 41 ms 5724 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 171 ms 17640 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 456 ms 34832 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 600 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 148 ms 14140 KB Output is correct
29 Correct 241 ms 20916 KB Output is correct
30 Correct 353 ms 27832 KB Output is correct
31 Correct 435 ms 34848 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 178 ms 17440 KB Output is correct
46 Correct 274 ms 25424 KB Output is correct
47 Correct 283 ms 25784 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Incorrect 0 ms 348 KB Tree @(5, 3) appears more than once: for edges on positions 1 and 3
52 Halted 0 ms 0 KB -