oj.uz

Submission #1052872

# Submission time Handle Problem Language Result Execution time Memory
1052872 2024-08-11T05:18:07 Z ReLice Fountain Parks (IOI21_parks) C++17
35 / 100
 401 ms 86724 KB 
#include "parks.h"
#include <bits/stdc++.h>
#define pb push_back
#define ll int
#define ins insert
#define sz size()
#define vll vector<ll>
#define sc second
using namespace std;
const int N=2e5+5;
const int inf=1e9;
map<pair<ll,ll>, ll> f;
vll xx, yy;

ll xd[4] = {0, 2, 0, -2}, yd[4] = {2, 0, -2, 0};
ll bx[2][4] = {{-1, 1,  1, -1}, {1,  1, -1, -1}};
ll by[2][4] = {{ 1, 1, -1, -1}, {1, -1, -1,  1}};

set<pair<ll,ll>> vis;
vll v,u,a,b;
ll n,c;
bool ok(ll x,ll y){
	bool free = (vis.find({x, y}) == vis.end());
	if(x % 2) return free;
	return free && f[{x,y}];
}
void dfs(ll x, ll y){
	c++;
	for(ll i=0;i<4;i++){
		ll nx = x + xd[i], ny = y + yd[i];
		
		ll p = (x + y) / 2 % 2;
		ll aa = x + bx[p][i], bb = y + by[p][i];
		
		if(!ok(nx, ny) || !ok(aa, bb)) continue;
		
		v.pb(f[{x,y}]-1);
		u.pb(f[{nx,ny}]-1);
		a.pb(aa);
		b.pb(bb);
		
		vis.ins({aa, bb});
		vis.ins({nx, ny});
		
		dfs(nx, ny);
	}
}
int construct_roads(vector<int> X, vector<int> Y) {
	n=X.size();
	
	for(int i=0;i<(int)X.size();i++){
		f[{X[i], Y[i]}] = i + 1;
	}
	
	xx.pb(0);
	yy.pb(0);
	for(auto i : X) xx.pb(i);
	for(auto i : Y) yy.pb(i);
	
	dfs(xx[1], yy[1]);
	
	if(c != n) return 0;
	
	build(u, v, a, b);
	
	return 1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 400 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 191 ms 45820 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 92 ms 25176 KB Output is correct
12 Correct 22 ms 7516 KB Output is correct
13 Correct 40 ms 14672 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 172 ms 41316 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 400 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 191 ms 45820 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 92 ms 25176 KB Output is correct
12 Correct 22 ms 7516 KB Output is correct
13 Correct 40 ms 14672 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 172 ms 41316 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 366 ms 68184 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 122 ms 27992 KB Output is correct
29 Correct 184 ms 40280 KB Output is correct
30 Correct 264 ms 55120 KB Output is correct
31 Correct 367 ms 67220 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 348 KB Output is correct
38 Correct 0 ms 344 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 1 ms 860 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 163 ms 38548 KB Output is correct
46 Correct 270 ms 56660 KB Output is correct
47 Correct 240 ms 56140 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 400 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 191 ms 45820 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 92 ms 25176 KB Output is correct
12 Correct 22 ms 7516 KB Output is correct
13 Correct 40 ms 14672 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 172 ms 41316 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 366 ms 68184 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 122 ms 27992 KB Output is correct
29 Correct 184 ms 40280 KB Output is correct
30 Correct 264 ms 55120 KB Output is correct
31 Correct 367 ms 67220 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 348 KB Output is correct
38 Correct 0 ms 344 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 1 ms 860 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 163 ms 38548 KB Output is correct
46 Correct 270 ms 56660 KB Output is correct
47 Correct 240 ms 56140 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 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 404 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Incorrect 327 ms 62680 KB Solution announced impossible, but it is possible.
56 Halted 0 ms 0 KB -

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 400 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 191 ms 45820 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 92 ms 25176 KB Output is correct
12 Correct 22 ms 7516 KB Output is correct
13 Correct 40 ms 14672 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 172 ms 41316 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 373 ms 80520 KB Output is correct
21 Correct 350 ms 76028 KB Output is correct
22 Correct 344 ms 73448 KB Output is correct
23 Correct 280 ms 72560 KB Output is correct
24 Correct 87 ms 18380 KB Output is correct
25 Correct 81 ms 18400 KB Output is correct
26 Correct 74 ms 18260 KB Output is correct
27 Correct 272 ms 58856 KB Output is correct
28 Correct 274 ms 58744 KB Output is correct
29 Correct 400 ms 58796 KB Output is correct
30 Correct 401 ms 58704 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 19 ms 5492 KB Output is correct
33 Correct 36 ms 9276 KB Output is correct
34 Correct 337 ms 76916 KB Output is correct
35 Correct 9 ms 1880 KB Output is correct
36 Correct 25 ms 6176 KB Output is correct
37 Correct 43 ms 10568 KB Output is correct
38 Correct 115 ms 22252 KB Output is correct
39 Correct 176 ms 30252 KB Output is correct
40 Correct 220 ms 38764 KB Output is correct
41 Correct 281 ms 47016 KB Output is correct
42 Correct 345 ms 55024 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 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 1 ms 860 KB Output is correct
55 Correct 2 ms 860 KB Output is correct
56 Correct 158 ms 38464 KB Output is correct
57 Correct 234 ms 56652 KB Output is correct
58 Correct 242 ms 56136 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 370 ms 80468 KB Output is correct
63 Correct 388 ms 80716 KB Output is correct
64 Correct 364 ms 82756 KB Output is correct
65 Correct 2 ms 1116 KB Output is correct
66 Correct 4 ms 1372 KB Output is correct
67 Correct 155 ms 34172 KB Output is correct
68 Correct 246 ms 53828 KB Output is correct
69 Correct 388 ms 67920 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 400 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 191 ms 45820 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 92 ms 25176 KB Output is correct
12 Correct 22 ms 7516 KB Output is correct
13 Correct 40 ms 14672 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 172 ms 41316 KB Output is correct
17 Incorrect 335 ms 86724 KB Solution announced impossible, but it is possible.
18 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 400 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 191 ms 45820 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 92 ms 25176 KB Output is correct
12 Correct 22 ms 7516 KB Output is correct
13 Correct 40 ms 14672 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 172 ms 41316 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 366 ms 68184 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 122 ms 27992 KB Output is correct
29 Correct 184 ms 40280 KB Output is correct
30 Correct 264 ms 55120 KB Output is correct
31 Correct 367 ms 67220 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 348 KB Output is correct
38 Correct 0 ms 344 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 1 ms 860 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 163 ms 38548 KB Output is correct
46 Correct 270 ms 56660 KB Output is correct
47 Correct 240 ms 56140 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 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 404 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Incorrect 327 ms 62680 KB Solution announced impossible, but it is possible.
56 Halted 0 ms 0 KB -