oj.uz

Submission #151085

# Submission time Handle Problem Language Result Execution time Memory
151085 2019-09-01T17:10:17 Z kuroni Bulb Game (FXCUP4_bulb) C++17
100 / 100
 76 ms 6672 KB 
#include "bulb.h"
#include <cstdio>
using namespace std;

int dive(int u, vector<int> &l)
{
	while (u >= 0)
		u = l[u];
	return u == -1;
}

int FindWinner(int t, vector<int> l, vector<int> r)
{
	int n = l.size();
	if (!dive(0, l))
		return 0;
	for (int u = 0; u >= 0; u = l[u])
		if (!dive(r[u], l))
		{
			bool ok1 = false, ok2 = true;
			for (int v = 0; v != l[u] && !ok1; v = l[v])
			{
				bool cur = true;
				for (int k = r[v]; k >= 0; k = l[k])
					if (!dive(r[k], l))
					{
						cur = false;
						break;
					}
				ok1 |= cur;
			}
			if (r[u] >= 0)
			{
				swap(l[r[u]], r[r[u]]);
				for (int v = 0; v >= 0; v = l[v])
					if (!dive(r[v], l))
					{
						ok2 = false;
						break;
					}
				swap(l[r[u]], r[r[u]]);
			}
			else
				ok2 = false;
			return ok1 || ok2;
		}
	return 1;
}

Compilation message

bulb.cpp: In function 'int FindWinner(int, std::vector<int>, std::vector<int>)':
bulb.cpp:14:6: warning: unused variable 'n' [-Wunused-variable]
  int n = l.size();
      ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 276 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 276 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 292 KB Output is correct
23 Correct 2 ms 392 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 356 KB Output is correct
26 Correct 2 ms 348 KB Output is correct

Subtask #3
64.0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 276 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 292 KB Output is correct
23 Correct 2 ms 392 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 356 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 70 ms 6540 KB Output is correct
28 Correct 70 ms 6032 KB Output is correct
29 Correct 71 ms 6156 KB Output is correct
30 Correct 71 ms 5808 KB Output is correct
31 Correct 70 ms 5468 KB Output is correct
32 Correct 70 ms 5788 KB Output is correct
33 Correct 70 ms 6408 KB Output is correct
34 Correct 71 ms 6672 KB Output is correct
35 Correct 70 ms 5756 KB Output is correct
36 Correct 70 ms 6156 KB Output is correct
37 Correct 71 ms 5888 KB Output is correct
38 Correct 70 ms 6156 KB Output is correct
39 Correct 70 ms 6236 KB Output is correct
40 Correct 69 ms 5636 KB Output is correct
41 Correct 70 ms 5508 KB Output is correct
42 Correct 71 ms 6156 KB Output is correct
43 Correct 70 ms 6388 KB Output is correct
44 Correct 70 ms 6168 KB Output is correct
45 Correct 70 ms 5904 KB Output is correct
46 Correct 76 ms 6160 KB Output is correct
47 Correct 70 ms 5500 KB Output is correct
48 Correct 73 ms 6152 KB Output is correct
49 Correct 72 ms 6204 KB Output is correct
50 Correct 72 ms 5056 KB Output is correct