oj.uz

Submission #1044579

# Submission time Handle Problem Language Result Execution time Memory
1044579 2024-08-05T11:01:49 Z Unforgettablepl Fountain Parks (IOI21_parks) C++17
15 / 100
 584 ms 75940 KB 
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;

int construct_roads(vector<int> x,vector<int> y){
	int n = x.size();
	map<pair<int,int>,int> lookup;
	for(int i=0;i<n;i++)lookup[{x[i],y[i]}]=i;
	vector<int> u,v,a,b;
	vector<vector<int>> adj(n);
	for(int i=0;i<n;i++){
		if(lookup[{x[i]+2,y[i]}]>i){
			u.emplace_back(i);
			v.emplace_back(lookup[{x[i]+2,y[i]}]);
			adj[i].emplace_back(lookup[{x[i]+2,y[i]}]);
			adj[lookup[{x[i]+2,y[i]}]].emplace_back(i);
			a.emplace_back(x[i]+1);
			b.emplace_back(y[i]-1);
		}
		if(lookup[{x[i]-2,y[i]}]>i){
			u.emplace_back(i);
			v.emplace_back(lookup[{x[i]-2,y[i]}]);
			adj[i].emplace_back(lookup[{x[i]-2,y[i]}]);
			adj[lookup[{x[i]-2,y[i]}]].emplace_back(i);
			a.emplace_back(x[i]-1);
			b.emplace_back(y[i]-1);
		}
		if(lookup[{x[i],y[i]+2}]>i){
			u.emplace_back(i);
			v.emplace_back(lookup[{x[i],y[i]+2}]);
			adj[i].emplace_back(lookup[{x[i],y[i]+2}]);
			adj[lookup[{x[i],y[i]+2}]].emplace_back(i);
			if(x[i]==2)a.emplace_back(x[i]-1);
			else a.emplace_back(x[i]+1);
			b.emplace_back(y[i]+1);
		}
		if(lookup[{x[i],y[i]-2}]>i){
			u.emplace_back(i);
			v.emplace_back(lookup[{x[i],y[i]-2}]);
			adj[i].emplace_back(lookup[{x[i],y[i]-2}]);
			adj[lookup[{x[i],y[i]-2}]].emplace_back(i);
			if(x[i]==2)a.emplace_back(x[i]-1);
			else a.emplace_back(x[i]+1);
			b.emplace_back(y[i]-1);
		}
	}
	vector<bool> visited(n);
	int vis = 0;
	function<void(int)> dfs = [&](int x){
		if(visited[x])return;
		visited[x]=true;
		vis++;
		for(int&i:adj[x])dfs(i);
	};
	dfs(0);
	if(vis!=n)return 0;
	build(u,v,a,b);
	return 1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 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 197 ms 37540 KB Output is correct
10 Correct 9 ms 4188 KB Output is correct
11 Correct 62 ms 20680 KB Output is correct
12 Correct 15 ms 5976 KB Output is correct
13 Correct 46 ms 14788 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 210 ms 34808 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 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 197 ms 37540 KB Output is correct
10 Correct 9 ms 4188 KB Output is correct
11 Correct 62 ms 20680 KB Output is correct
12 Correct 15 ms 5976 KB Output is correct
13 Correct 46 ms 14788 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 210 ms 34808 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 562 ms 64532 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 5 ms 1372 KB Output is correct
28 Correct 164 ms 26292 KB Output is correct
29 Correct 262 ms 38056 KB Output is correct
30 Correct 428 ms 51968 KB Output is correct
31 Correct 584 ms 63640 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 432 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 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 860 KB Output is correct
44 Correct 3 ms 1116 KB Output is correct
45 Correct 199 ms 31636 KB Output is correct
46 Correct 325 ms 46248 KB Output is correct
47 Correct 369 ms 45736 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 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 197 ms 37540 KB Output is correct
10 Correct 9 ms 4188 KB Output is correct
11 Correct 62 ms 20680 KB Output is correct
12 Correct 15 ms 5976 KB Output is correct
13 Correct 46 ms 14788 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 210 ms 34808 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 562 ms 64532 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 5 ms 1372 KB Output is correct
28 Correct 164 ms 26292 KB Output is correct
29 Correct 262 ms 38056 KB Output is correct
30 Correct 428 ms 51968 KB Output is correct
31 Correct 584 ms 63640 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 432 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 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 860 KB Output is correct
44 Correct 3 ms 1116 KB Output is correct
45 Correct 199 ms 31636 KB Output is correct
46 Correct 325 ms 46248 KB Output is correct
47 Correct 369 ms 45736 KB Output is correct
48 Incorrect 0 ms 348 KB Tree @(5, 3) appears more than once: for edges on positions 2 and 3
49 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 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 197 ms 37540 KB Output is correct
10 Correct 9 ms 4188 KB Output is correct
11 Correct 62 ms 20680 KB Output is correct
12 Correct 15 ms 5976 KB Output is correct
13 Correct 46 ms 14788 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 210 ms 34808 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 462 ms 63572 KB Output is correct
21 Incorrect 506 ms 61092 KB Tree @(56859, 56863) appears more than once: for edges on positions 0 and 1
22 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 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 197 ms 37540 KB Output is correct
10 Correct 9 ms 4188 KB Output is correct
11 Correct 62 ms 20680 KB Output is correct
12 Correct 15 ms 5976 KB Output is correct
13 Correct 46 ms 14788 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 210 ms 34808 KB Output is correct
17 Correct 529 ms 75940 KB Output is correct
18 Incorrect 543 ms 71076 KB Tree @(50003, 100001) appears more than once: for edges on positions 157198 and 161590
19 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 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 197 ms 37540 KB Output is correct
10 Correct 9 ms 4188 KB Output is correct
11 Correct 62 ms 20680 KB Output is correct
12 Correct 15 ms 5976 KB Output is correct
13 Correct 46 ms 14788 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 210 ms 34808 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 562 ms 64532 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 5 ms 1372 KB Output is correct
28 Correct 164 ms 26292 KB Output is correct
29 Correct 262 ms 38056 KB Output is correct
30 Correct 428 ms 51968 KB Output is correct
31 Correct 584 ms 63640 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 432 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 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 860 KB Output is correct
44 Correct 3 ms 1116 KB Output is correct
45 Correct 199 ms 31636 KB Output is correct
46 Correct 325 ms 46248 KB Output is correct
47 Correct 369 ms 45736 KB Output is correct
48 Incorrect 0 ms 348 KB Tree @(5, 3) appears more than once: for edges on positions 2 and 3
49 Halted 0 ms 0 KB -