oj.uz

Submission #895502

# Submission time Handle Problem Language Result Execution time Memory
895502 2023-12-30T06:33:01 Z Muhammad_Aneeq Fountain Parks (IOI21_parks) C++17
30 / 100
 1815 ms 46384 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;
queue<pair<int,int>>Q;
int x1=0,y11=0;
void check(int x,int y)
{
	if (d.find({x,y})!=d.end()&&!vis[{x,y}])
	{
		Q.push({x,y});
		vis[{x,y}]=1;
		z.push_back({d[{x1,y11}],d[{x,y}]});
	}
}
vector<pair<int,int>>i={{0,-2},{0,2},{2,0},{-2,0}};
void bfs(int x,int y)
{
	Q.push({x,y});
	vis[{x,y}]=1;
	while (Q.size())
	{
		x,y;
		tie(x,y)=Q.front();
		x1=x,y11=y;
		Q.pop();
		check(x,y-2);
		check(x-2,y);
		check(x,y+2);
		check(x+2,y);
	}
}
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={};
		Q={};
		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;
}

Compilation message

parks.cpp: In function 'void bfs(int, int)':
parks.cpp:27:3: warning: left operand of comma operator has no effect [-Wunused-value]
   27 |   x,y;
      |   ^
parks.cpp:27:6: warning: right operand of comma operator has no effect [-Wunused-value]
   27 |   x,y;
      |      ^

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 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 177 ms 22312 KB Output is correct
10 Correct 14 ms 2648 KB Output is correct
11 Correct 96 ms 12068 KB Output is correct
12 Correct 20 ms 3664 KB Output is correct
13 Correct 700 ms 7252 KB Output is correct
14 Correct 8 ms 348 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 180 ms 22248 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 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 177 ms 22312 KB Output is correct
10 Correct 14 ms 2648 KB Output is correct
11 Correct 96 ms 12068 KB Output is correct
12 Correct 20 ms 3664 KB Output is correct
13 Correct 700 ms 7252 KB Output is correct
14 Correct 8 ms 348 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 180 ms 22248 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 424 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 470 ms 44656 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 30 ms 860 KB Output is correct
27 Correct 24 ms 996 KB Output is correct
28 Correct 156 ms 17808 KB Output is correct
29 Correct 250 ms 26648 KB Output is correct
30 Correct 362 ms 35584 KB Output is correct
31 Correct 461 ms 44588 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 420 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 20 ms 732 KB Output is correct
44 Correct 25 ms 988 KB Output is correct
45 Correct 172 ms 22456 KB Output is correct
46 Correct 274 ms 32364 KB Output is correct
47 Correct 281 ms 32332 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 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 177 ms 22312 KB Output is correct
10 Correct 14 ms 2648 KB Output is correct
11 Correct 96 ms 12068 KB Output is correct
12 Correct 20 ms 3664 KB Output is correct
13 Correct 700 ms 7252 KB Output is correct
14 Correct 8 ms 348 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 180 ms 22248 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 424 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 470 ms 44656 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 30 ms 860 KB Output is correct
27 Correct 24 ms 996 KB Output is correct
28 Correct 156 ms 17808 KB Output is correct
29 Correct 250 ms 26648 KB Output is correct
30 Correct 362 ms 35584 KB Output is correct
31 Correct 461 ms 44588 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 420 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 20 ms 732 KB Output is correct
44 Correct 25 ms 988 KB Output is correct
45 Correct 172 ms 22456 KB Output is correct
46 Correct 274 ms 32364 KB Output is correct
47 Correct 281 ms 32332 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 Correct 1 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 473 ms 44432 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 2 ms 604 KB Output is correct
58 Correct 9 ms 1628 KB Output is correct
59 Correct 75 ms 1884 KB Output is correct
60 Correct 203 ms 22200 KB Output is correct
61 Correct 287 ms 30620 KB Output is correct
62 Correct 383 ms 36580 KB Output is correct
63 Correct 492 ms 44560 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 417 ms 44616 KB Output is correct
68 Correct 441 ms 44560 KB Output is correct
69 Correct 406 ms 44440 KB Output is correct
70 Correct 46 ms 860 KB Output is correct
71 Correct 67 ms 1624 KB Output is correct
72 Correct 177 ms 22196 KB Output is correct
73 Correct 307 ms 33428 KB Output is correct
74 Correct 415 ms 45016 KB Output is correct
75 Correct 454 ms 44416 KB Output is correct
76 Correct 437 ms 44528 KB Output is correct
77 Correct 57 ms 1112 KB Output is correct
78 Correct 67 ms 1624 KB Output is correct
79 Correct 179 ms 22116 KB Output is correct
80 Correct 290 ms 33320 KB Output is correct
81 Correct 418 ms 44872 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 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 177 ms 22312 KB Output is correct
10 Correct 14 ms 2648 KB Output is correct
11 Correct 96 ms 12068 KB Output is correct
12 Correct 20 ms 3664 KB Output is correct
13 Correct 700 ms 7252 KB Output is correct
14 Correct 8 ms 348 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 180 ms 22248 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 420 KB Output is correct
20 Correct 434 ms 46384 KB Output is correct
21 Correct 405 ms 45948 KB Output is correct
22 Correct 423 ms 45984 KB Output is correct
23 Correct 344 ms 38280 KB Output is correct
24 Correct 1720 ms 30308 KB Output is correct
25 Correct 1815 ms 30236 KB Output is correct
26 Correct 1605 ms 30204 KB Output is correct
27 Correct 543 ms 44444 KB Output is correct
28 Correct 547 ms 44508 KB Output is correct
29 Correct 655 ms 44448 KB Output is correct
30 Correct 595 ms 44652 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Incorrect 379 ms 2936 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 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 177 ms 22312 KB Output is correct
10 Correct 14 ms 2648 KB Output is correct
11 Correct 96 ms 12068 KB Output is correct
12 Correct 20 ms 3664 KB Output is correct
13 Correct 700 ms 7252 KB Output is correct
14 Correct 8 ms 348 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 180 ms 22248 KB Output is correct
17 Correct 449 ms 45220 KB Output is correct
18 Correct 428 ms 45728 KB Output is correct
19 Correct 417 ms 45980 KB Output is correct
20 Correct 544 ms 43196 KB Output is correct
21 Correct 527 ms 39096 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Incorrect 987 ms 6176 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 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 177 ms 22312 KB Output is correct
10 Correct 14 ms 2648 KB Output is correct
11 Correct 96 ms 12068 KB Output is correct
12 Correct 20 ms 3664 KB Output is correct
13 Correct 700 ms 7252 KB Output is correct
14 Correct 8 ms 348 KB Output is correct
15 Correct 13 ms 604 KB Output is correct
16 Correct 180 ms 22248 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 424 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 470 ms 44656 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 30 ms 860 KB Output is correct
27 Correct 24 ms 996 KB Output is correct
28 Correct 156 ms 17808 KB Output is correct
29 Correct 250 ms 26648 KB Output is correct
30 Correct 362 ms 35584 KB Output is correct
31 Correct 461 ms 44588 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 420 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 20 ms 732 KB Output is correct
44 Correct 25 ms 988 KB Output is correct
45 Correct 172 ms 22456 KB Output is correct
46 Correct 274 ms 32364 KB Output is correct
47 Correct 281 ms 32332 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 Correct 1 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 473 ms 44432 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 2 ms 604 KB Output is correct
58 Correct 9 ms 1628 KB Output is correct
59 Correct 75 ms 1884 KB Output is correct
60 Correct 203 ms 22200 KB Output is correct
61 Correct 287 ms 30620 KB Output is correct
62 Correct 383 ms 36580 KB Output is correct
63 Correct 492 ms 44560 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 417 ms 44616 KB Output is correct
68 Correct 441 ms 44560 KB Output is correct
69 Correct 406 ms 44440 KB Output is correct
70 Correct 46 ms 860 KB Output is correct
71 Correct 67 ms 1624 KB Output is correct
72 Correct 177 ms 22196 KB Output is correct
73 Correct 307 ms 33428 KB Output is correct
74 Correct 415 ms 45016 KB Output is correct
75 Correct 454 ms 44416 KB Output is correct
76 Correct 437 ms 44528 KB Output is correct
77 Correct 57 ms 1112 KB Output is correct
78 Correct 67 ms 1624 KB Output is correct
79 Correct 179 ms 22116 KB Output is correct
80 Correct 290 ms 33320 KB Output is correct
81 Correct 418 ms 44872 KB Output is correct
82 Correct 0 ms 348 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 420 KB Output is correct
85 Correct 434 ms 46384 KB Output is correct
86 Correct 405 ms 45948 KB Output is correct
87 Correct 423 ms 45984 KB Output is correct
88 Correct 344 ms 38280 KB Output is correct
89 Correct 1720 ms 30308 KB Output is correct
90 Correct 1815 ms 30236 KB Output is correct
91 Correct 1605 ms 30204 KB Output is correct
92 Correct 543 ms 44444 KB Output is correct
93 Correct 547 ms 44508 KB Output is correct
94 Correct 655 ms 44448 KB Output is correct
95 Correct 595 ms 44652 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Incorrect 379 ms 2936 KB Solution announced impossible, but it is possible.
98 Halted 0 ms 0 KB -