Submission #109584

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
109584	2019-05-07T06:41:03 Z	Arturgo	Lamps (JOI19_lamps)	C++14	47 / 100	1000 ms	161092 KB

lamp

#include <iostream>
#include <bitset>
using namespace std;

int nbCars;
string deb, fin;

int dyn[1000000][16];
bool estPasse[1000000][16];

bool execute(bool init, bitset<4> bits) {
  if(bits[0])
    init = 0;
  if(bits[1])
    init = 1;
  if(bits[2])
    init = 0;
  if(bits[3])
    init = !init;
  return init;
}

int minInters(int pos, bitset<4> bits) {
  if(pos == nbCars) {
    return bits.count();
  }

  if(estPasse[pos][bits.to_ulong()])
    return dyn[pos][bits.to_ulong()];
  estPasse[pos][bits.to_ulong()] = true;

  int mini = 1000 * 1000;
  for(int sol = 0;sol < 16;sol++) {
    bitset<4> nouv(sol);
    if(execute(deb[pos] - '0', nouv) == fin[pos] - '0') {
      mini = min(minInters(pos + 1, nouv) + (int)(nouv ^ bits).count(), mini);
    }
  }

  return (dyn[pos][bits.to_ulong()] = mini);
}

int main() {
  ios_base::sync_with_stdio(false);
  cin >> nbCars;
  cin >> deb >> fin;

  cout << minInters(0, bitset<4>(0)) / 2 << endl;
  return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	14 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	392 KB	Output is correct
16	Correct	3 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	4 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	512 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	14 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	392 KB	Output is correct
16	Correct	3 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	4 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	512 KB	Output is correct
35	Correct	5 ms	768 KB	Output is correct
36	Correct	5 ms	644 KB	Output is correct
37	Correct	5 ms	640 KB	Output is correct
38	Correct	4 ms	640 KB	Output is correct
39	Correct	5 ms	640 KB	Output is correct
40	Correct	5 ms	640 KB	Output is correct
41	Correct	4 ms	640 KB	Output is correct
42	Correct	5 ms	640 KB	Output is correct
43	Correct	4 ms	640 KB	Output is correct
44	Correct	4 ms	612 KB	Output is correct
45	Correct	4 ms	640 KB	Output is correct
46	Correct	4 ms	640 KB	Output is correct
47	Correct	2 ms	640 KB	Output is correct
48	Correct	5 ms	640 KB	Output is correct
49	Correct	4 ms	640 KB	Output is correct
50	Correct	5 ms	640 KB	Output is correct
51	Correct	4 ms	640 KB	Output is correct
52	Correct	4 ms	640 KB	Output is correct
53	Correct	5 ms	640 KB	Output is correct
54	Correct	6 ms	640 KB	Output is correct
55	Correct	7 ms	640 KB	Output is correct
56	Correct	5 ms	768 KB	Output is correct
57	Correct	5 ms	640 KB	Output is correct
58	Correct	5 ms	640 KB	Output is correct

Subtask #3
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	392 KB	Output is correct
7	Execution timed out	1053 ms	161092 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Subtask #4
0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	424 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	14 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	392 KB	Output is correct
16	Correct	3 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	2 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	2 ms	384 KB	Output is correct
32	Correct	4 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	512 KB	Output is correct
35	Correct	5 ms	768 KB	Output is correct
36	Correct	5 ms	644 KB	Output is correct
37	Correct	5 ms	640 KB	Output is correct
38	Correct	4 ms	640 KB	Output is correct
39	Correct	5 ms	640 KB	Output is correct
40	Correct	5 ms	640 KB	Output is correct
41	Correct	4 ms	640 KB	Output is correct
42	Correct	5 ms	640 KB	Output is correct
43	Correct	4 ms	640 KB	Output is correct
44	Correct	4 ms	612 KB	Output is correct
45	Correct	4 ms	640 KB	Output is correct
46	Correct	4 ms	640 KB	Output is correct
47	Correct	2 ms	640 KB	Output is correct
48	Correct	5 ms	640 KB	Output is correct
49	Correct	4 ms	640 KB	Output is correct
50	Correct	5 ms	640 KB	Output is correct
51	Correct	4 ms	640 KB	Output is correct
52	Correct	4 ms	640 KB	Output is correct
53	Correct	5 ms	640 KB	Output is correct
54	Correct	6 ms	640 KB	Output is correct
55	Correct	7 ms	640 KB	Output is correct
56	Correct	5 ms	768 KB	Output is correct
57	Correct	5 ms	640 KB	Output is correct
58	Correct	5 ms	640 KB	Output is correct
59	Correct	2 ms	384 KB	Output is correct
60	Correct	3 ms	384 KB	Output is correct
61	Correct	3 ms	384 KB	Output is correct
62	Correct	2 ms	384 KB	Output is correct
63	Correct	2 ms	384 KB	Output is correct
64	Correct	2 ms	392 KB	Output is correct
65	Execution timed out	1053 ms	161092 KB	Time limit exceeded
66	Halted	0 ms	0 KB	-

Submission #109584

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 0 / 4.0

Subtask #4 0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
0 / 4.0

Subtask #4
0 / 49.0