oj.uz

Submission #814986

# Submission time Handle Problem Language Result Execution time Memory
814986 2023-08-08T11:33:22 Z I_Love_EliskaM_ Fountain Parks (IOI21_parks) C++17
25 / 100
 552 ms 28040 KB 
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<n;++i)
#define pb push_back
#define all(x) x.begin(), x.end()
#define pi pair<int,int>
#define f first
#define s second

int construct_roads(vector<int> x, vector<int> y) {
	int n=x.size();
	vector<int> u,v,a,b;
	map<pi,int> m;
	forn(i,n) m[{x[i],y[i]}]=i;

	vector<pi> z={{-2,0},{2,0},{0,-2},{0,2}};
	forn(i,n) {
		int f=x[i], s=y[i];
		for(auto&x:z) {
			if (m.count({f+x.f,s+x.s})) {
				if (i<m[{f+x.f,s+x.s}]) {
					u.pb(i), v.pb(m[{f+x.f,s+x.s}]);
				}
			}
		}
	}
	if (u.size()!=n-1) return 0;
	
	forn(i,n-1) {
		int x1=x[u[i]], y1=y[u[i]];
		int x2=x[v[i]], y2=y[v[i]];
		if (x1==x2) {
			if ((max(y1,y2)+x1)%4) {
				a.pb(x1+1);
				b.pb(max(y1,y2)-1);
			} else {
				a.pb(x1-1);
				b.pb(max(y1,y2)-1);
			}
		} else {
			if ((max(x1,x2)+y1)%4) {
				a.pb(max(x1,x2)-1);
				b.pb(y1-1);
			} else {
				a.pb(max(x1,x2)-1);
				b.pb(y1+1);
			}
		}
	}
	build(u,v,a,b);
	return 1;
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:28:14: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |  if (u.size()!=n-1) return 0;
      |      ~~~~~~~~^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 131 ms 13736 KB Output is correct
10 Correct 13 ms 1740 KB Output is correct
11 Correct 64 ms 7504 KB Output is correct
12 Correct 16 ms 2644 KB Output is correct
13 Correct 43 ms 4668 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 132 ms 13656 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 131 ms 13736 KB Output is correct
10 Correct 13 ms 1740 KB Output is correct
11 Correct 64 ms 7504 KB Output is correct
12 Correct 16 ms 2644 KB Output is correct
13 Correct 43 ms 4668 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 132 ms 13656 KB Output is correct
17 Incorrect 1 ms 212 KB Solution announced impossible, but it is possible.
18 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 131 ms 13736 KB Output is correct
10 Correct 13 ms 1740 KB Output is correct
11 Correct 64 ms 7504 KB Output is correct
12 Correct 16 ms 2644 KB Output is correct
13 Correct 43 ms 4668 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 132 ms 13656 KB Output is correct
17 Incorrect 1 ms 212 KB Solution announced impossible, but it is possible.
18 Halted 0 ms 0 KB -

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 131 ms 13736 KB Output is correct
10 Correct 13 ms 1740 KB Output is correct
11 Correct 64 ms 7504 KB Output is correct
12 Correct 16 ms 2644 KB Output is correct
13 Correct 43 ms 4668 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 132 ms 13656 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 416 ms 28016 KB Output is correct
21 Correct 426 ms 27824 KB Output is correct
22 Correct 412 ms 27736 KB Output is correct
23 Correct 286 ms 23436 KB Output is correct
24 Correct 288 ms 17636 KB Output is correct
25 Correct 468 ms 19448 KB Output is correct
26 Correct 341 ms 19328 KB Output is correct
27 Correct 406 ms 27104 KB Output is correct
28 Correct 439 ms 27016 KB Output is correct
29 Correct 552 ms 27108 KB Output is correct
30 Correct 448 ms 27108 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 22 ms 2500 KB Output is correct
33 Correct 96 ms 9260 KB Output is correct
34 Correct 342 ms 27980 KB Output is correct
35 Correct 13 ms 1372 KB Output is correct
36 Correct 70 ms 5308 KB Output is correct
37 Correct 146 ms 10264 KB Output is correct
38 Correct 138 ms 11632 KB Output is correct
39 Correct 198 ms 15472 KB Output is correct
40 Correct 274 ms 19676 KB Output is correct
41 Correct 388 ms 23972 KB Output is correct
42 Correct 483 ms 28040 KB Output is correct
43 Correct 0 ms 296 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 300 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 300 KB Output is correct
54 Correct 2 ms 468 KB Output is correct
55 Correct 3 ms 596 KB Output is correct
56 Correct 159 ms 13712 KB Output is correct
57 Correct 241 ms 19732 KB Output is correct
58 Correct 252 ms 19684 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 344 ms 27228 KB Output is correct
63 Correct 327 ms 27076 KB Output is correct
64 Correct 341 ms 26924 KB Output is correct
65 Correct 4 ms 596 KB Output is correct
66 Correct 7 ms 960 KB Output is correct
67 Correct 159 ms 13688 KB Output is correct
68 Correct 253 ms 20416 KB Output is correct
69 Correct 388 ms 27112 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 131 ms 13736 KB Output is correct
10 Correct 13 ms 1740 KB Output is correct
11 Correct 64 ms 7504 KB Output is correct
12 Correct 16 ms 2644 KB Output is correct
13 Correct 43 ms 4668 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 132 ms 13656 KB Output is correct
17 Incorrect 304 ms 19912 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 131 ms 13736 KB Output is correct
10 Correct 13 ms 1740 KB Output is correct
11 Correct 64 ms 7504 KB Output is correct
12 Correct 16 ms 2644 KB Output is correct
13 Correct 43 ms 4668 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 132 ms 13656 KB Output is correct
17 Incorrect 1 ms 212 KB Solution announced impossible, but it is possible.
18 Halted 0 ms 0 KB -