oj.uz

Submission #895509

# Submission time Handle Problem Language Result Execution time Memory
895509 2023-12-30T06:56:34 Z Muhammad_Aneeq Fountain Parks (IOI21_parks) C++17
30 / 100
 2536 ms 61940 KB 
#include <vector>
#include <map>
#include <queue>
#include <algorithm>
#include "parks.h"
using namespace std;
map<pair<int,int>,int>d,vis;
vector<pair<int,int>>z;
int x1=0,y11=0;
bool check(int x,int y)
{
	if (d.find({x,y})!=d.end()&&!vis[{x,y}])
	{
		vis[{x,y}]=1;
		z.push_back({d[{x1,y11}],d[{x,y}]});
		return 1;
	}
	return 0;
}
vector<pair<int,int>>i={{0,-2},{0,2},{2,0},{-2,0}};
void bfs(int x,int y)
{
	vis[{x,y}]=1;
	for (int j=0;j<4;j++)
	{
		x1=x;
		y11=y;
		if (check(x+i[j].first,y+i[j].second))
			bfs(x+i[j].first,y+i[j].second);
	}
}
int construct_roads(vector<int> x, vector<int> y)
{
	int n=x.size();
	for (int i=0;i<n;i++)
		d[{x[i],y[i]}]=i;
	int reqx=1e9+10,reqy=1e9+10;
	for (int i=0;i<n;i++)
	{
		if (x[i]<reqx)
		{
			reqx=x[i];
			reqy=y[i];
		}
		else if (x[i]==reqx&&reqy>y[i])
			reqy=y[i];
	}
	sort(begin(i),end(i));
	do
	{
		vis={};
		z={};
		bfs(reqx,reqy);
		bool w=1;
		for (int i=0;i<n;i++)
		{
			if (!vis[{x[i],y[i]}])
				w=0;
		}
		vis={};
		vector<int>u,v,a,b;
		for (auto i:z)
		{
			u.push_back(i.first);
			v.push_back(i.second);
			pair<int,int>r,q;
			r.first=x[i.first],r.second=y[i.first];
			q.first=x[i.second],q.second=y[i.second];
			if (r.first-q.first==0)
			{
				a.push_back(r.first-1);
				b.push_back((r.second+q.second)/2);
				if (vis[{a.back(),b.back()}])
				{
					a.pop_back();
					a.push_back(r.first+1);
					if (vis[{a.back(),b.back()}])
						w=0;
					vis[{a.back(),b.back()}]=1;
				}
				else
					vis[{a.back(),b.back()}]=1;
			}
			else
			{
				a.push_back((r.first+q.first)/2);
				b.push_back(r.second-1);
				if (vis[{a.back(),b.back()}])
				{
					b.pop_back();
					b.push_back(r.second+1);
					if (vis[{a.back(),b.back()}])
						w=0;
					vis[{a.back(),b.back()}]=1;
				}
				else
					vis[{a.back(),b.back()}]=1;
			}
		}
		if (w==1)
		{
			build(u,v,a,b);
			return 1;
		}
	}
	while(next_permutation(begin(i),end(i)));
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 364 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 424 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 197 ms 30220 KB Output is correct
10 Correct 14 ms 3420 KB Output is correct
11 Correct 99 ms 16416 KB Output is correct
12 Correct 22 ms 4696 KB Output is correct
13 Correct 787 ms 9616 KB Output is correct
14 Correct 9 ms 600 KB Output is correct
15 Correct 13 ms 768 KB Output is correct
16 Correct 198 ms 30076 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 364 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 424 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 197 ms 30220 KB Output is correct
10 Correct 14 ms 3420 KB Output is correct
11 Correct 99 ms 16416 KB Output is correct
12 Correct 22 ms 4696 KB Output is correct
13 Correct 787 ms 9616 KB Output is correct
14 Correct 9 ms 600 KB Output is correct
15 Correct 13 ms 768 KB Output is correct
16 Correct 198 ms 30076 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 544 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 551 ms 60268 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 704 KB Output is correct
26 Correct 33 ms 860 KB Output is correct
27 Correct 26 ms 856 KB Output is correct
28 Correct 181 ms 24096 KB Output is correct
29 Correct 287 ms 35992 KB Output is correct
30 Correct 393 ms 48072 KB Output is correct
31 Correct 549 ms 60276 KB Output is correct
32 Correct 0 ms 348 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 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 344 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 21 ms 800 KB Output is correct
44 Correct 21 ms 860 KB Output is correct
45 Correct 184 ms 28556 KB Output is correct
46 Correct 308 ms 41412 KB Output is correct
47 Correct 293 ms 41556 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 364 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 424 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 197 ms 30220 KB Output is correct
10 Correct 14 ms 3420 KB Output is correct
11 Correct 99 ms 16416 KB Output is correct
12 Correct 22 ms 4696 KB Output is correct
13 Correct 787 ms 9616 KB Output is correct
14 Correct 9 ms 600 KB Output is correct
15 Correct 13 ms 768 KB Output is correct
16 Correct 198 ms 30076 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 544 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 551 ms 60268 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 704 KB Output is correct
26 Correct 33 ms 860 KB Output is correct
27 Correct 26 ms 856 KB Output is correct
28 Correct 181 ms 24096 KB Output is correct
29 Correct 287 ms 35992 KB Output is correct
30 Correct 393 ms 48072 KB Output is correct
31 Correct 549 ms 60276 KB Output is correct
32 Correct 0 ms 348 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 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 344 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 21 ms 800 KB Output is correct
44 Correct 21 ms 860 KB Output is correct
45 Correct 184 ms 28556 KB Output is correct
46 Correct 308 ms 41412 KB Output is correct
47 Correct 293 ms 41556 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 420 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 523 ms 60296 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 3 ms 860 KB Output is correct
58 Correct 9 ms 2048 KB Output is correct
59 Correct 80 ms 1884 KB Output is correct
60 Correct 231 ms 30080 KB Output is correct
61 Correct 311 ms 41376 KB Output is correct
62 Correct 404 ms 49576 KB Output is correct
63 Correct 517 ms 60076 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 424 KB Output is correct
67 Correct 449 ms 60068 KB Output is correct
68 Correct 475 ms 52228 KB Output is correct
69 Correct 452 ms 55924 KB Output is correct
70 Correct 49 ms 1116 KB Output is correct
71 Correct 70 ms 1628 KB Output is correct
72 Correct 200 ms 26808 KB Output is correct
73 Correct 333 ms 40484 KB Output is correct
74 Correct 499 ms 53920 KB Output is correct
75 Correct 531 ms 56988 KB Output is correct
76 Correct 481 ms 60104 KB Output is correct
77 Correct 72 ms 1112 KB Output is correct
78 Correct 73 ms 1880 KB Output is correct
79 Correct 198 ms 26416 KB Output is correct
80 Correct 325 ms 39712 KB Output is correct
81 Correct 438 ms 52892 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 364 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 424 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 197 ms 30220 KB Output is correct
10 Correct 14 ms 3420 KB Output is correct
11 Correct 99 ms 16416 KB Output is correct
12 Correct 22 ms 4696 KB Output is correct
13 Correct 787 ms 9616 KB Output is correct
14 Correct 9 ms 600 KB Output is correct
15 Correct 13 ms 768 KB Output is correct
16 Correct 198 ms 30076 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 604 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 525 ms 61940 KB Output is correct
21 Correct 477 ms 53476 KB Output is correct
22 Correct 480 ms 61344 KB Output is correct
23 Correct 385 ms 48368 KB Output is correct
24 Correct 2536 ms 30128 KB Output is correct
25 Correct 2196 ms 30412 KB Output is correct
26 Correct 2093 ms 30176 KB Output is correct
27 Correct 444 ms 44616 KB Output is correct
28 Correct 396 ms 44452 KB Output is correct
29 Correct 575 ms 44676 KB Output is correct
30 Correct 575 ms 44616 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Incorrect 396 ms 3432 KB Solution announced impossible, but it is possible.
33 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 364 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 424 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 197 ms 30220 KB Output is correct
10 Correct 14 ms 3420 KB Output is correct
11 Correct 99 ms 16416 KB Output is correct
12 Correct 22 ms 4696 KB Output is correct
13 Correct 787 ms 9616 KB Output is correct
14 Correct 9 ms 600 KB Output is correct
15 Correct 13 ms 768 KB Output is correct
16 Correct 198 ms 30076 KB Output is correct
17 Correct 502 ms 60636 KB Output is correct
18 Correct 482 ms 57468 KB Output is correct
19 Correct 491 ms 61360 KB Output is correct
20 Correct 481 ms 53564 KB Output is correct
21 Correct 425 ms 46432 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Incorrect 932 ms 7044 KB Solution announced impossible, but it is possible.
24 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 364 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 424 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 197 ms 30220 KB Output is correct
10 Correct 14 ms 3420 KB Output is correct
11 Correct 99 ms 16416 KB Output is correct
12 Correct 22 ms 4696 KB Output is correct
13 Correct 787 ms 9616 KB Output is correct
14 Correct 9 ms 600 KB Output is correct
15 Correct 13 ms 768 KB Output is correct
16 Correct 198 ms 30076 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 544 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 551 ms 60268 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 704 KB Output is correct
26 Correct 33 ms 860 KB Output is correct
27 Correct 26 ms 856 KB Output is correct
28 Correct 181 ms 24096 KB Output is correct
29 Correct 287 ms 35992 KB Output is correct
30 Correct 393 ms 48072 KB Output is correct
31 Correct 549 ms 60276 KB Output is correct
32 Correct 0 ms 348 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 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 344 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 21 ms 800 KB Output is correct
44 Correct 21 ms 860 KB Output is correct
45 Correct 184 ms 28556 KB Output is correct
46 Correct 308 ms 41412 KB Output is correct
47 Correct 293 ms 41556 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 420 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 523 ms 60296 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 3 ms 860 KB Output is correct
58 Correct 9 ms 2048 KB Output is correct
59 Correct 80 ms 1884 KB Output is correct
60 Correct 231 ms 30080 KB Output is correct
61 Correct 311 ms 41376 KB Output is correct
62 Correct 404 ms 49576 KB Output is correct
63 Correct 517 ms 60076 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 424 KB Output is correct
67 Correct 449 ms 60068 KB Output is correct
68 Correct 475 ms 52228 KB Output is correct
69 Correct 452 ms 55924 KB Output is correct
70 Correct 49 ms 1116 KB Output is correct
71 Correct 70 ms 1628 KB Output is correct
72 Correct 200 ms 26808 KB Output is correct
73 Correct 333 ms 40484 KB Output is correct
74 Correct 499 ms 53920 KB Output is correct
75 Correct 531 ms 56988 KB Output is correct
76 Correct 481 ms 60104 KB Output is correct
77 Correct 72 ms 1112 KB Output is correct
78 Correct 73 ms 1880 KB Output is correct
79 Correct 198 ms 26416 KB Output is correct
80 Correct 325 ms 39712 KB Output is correct
81 Correct 438 ms 52892 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 604 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 525 ms 61940 KB Output is correct
86 Correct 477 ms 53476 KB Output is correct
87 Correct 480 ms 61344 KB Output is correct
88 Correct 385 ms 48368 KB Output is correct
89 Correct 2536 ms 30128 KB Output is correct
90 Correct 2196 ms 30412 KB Output is correct
91 Correct 2093 ms 30176 KB Output is correct
92 Correct 444 ms 44616 KB Output is correct
93 Correct 396 ms 44452 KB Output is correct
94 Correct 575 ms 44676 KB Output is correct
95 Correct 575 ms 44616 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Incorrect 396 ms 3432 KB Solution announced impossible, but it is possible.
98 Halted 0 ms 0 KB -