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답안 #109588

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
109588 2019-05-07T06:55:31 Z Arturgo Lamps (JOI19_lamps) C++14
100 / 100
 539 ms 67280 KB 
#include <iostream>
#include <bitset>
#include <vector>
using namespace std;

int nbCars;
string deb, fin;

int dyn[1000001][16];

inline 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;
}

vector<bitset<4>> confPossibles;
vector<bitset<4>> transPossibles[2][2];

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

  for(int iBits = 0;iBits < 16;iBits++) {
    bitset<4> bits(iBits);
    if(bits[0] && bits[2])
      continue;
    confPossibles.push_back(bits);
  }

  for(int bitD = 0;bitD < 2;bitD++) {
    for(int bitF = 0;bitF < 2;bitF++) {
      for(bitset<4> config : confPossibles) {
	if(execute(bitD, config) == bitF) {
	  transPossibles[bitD][bitF].push_back(config);
	}
      }
    }
  }
  
  for(int sol = 0;sol < 16;sol++) {
    dyn[nbCars][sol] = bitset<4>(sol).count();
  }
  for(int pos = nbCars - 1;pos >= 0;pos--) {
    for(bitset<4> bits : confPossibles) {
      int mini = 1000 * 1000;
      for(bitset<4> suiv : transPossibles[deb[pos] - '0'][fin[pos] - '0']) {
	mini = min(dyn[pos + 1][suiv.to_ulong()] + (int)(suiv ^ bits).count(), mini);
      }

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

  cout << dyn[0][0] / 2 << endl;
  return 0;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 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 3 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 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 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 2 ms 384 KB Output is correct
23 Correct 3 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 2 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 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 3 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 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 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 2 ms 384 KB Output is correct
23 Correct 3 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 2 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 3 ms 512 KB Output is correct
36 Correct 4 ms 512 KB Output is correct
37 Correct 4 ms 512 KB Output is correct
38 Correct 4 ms 512 KB Output is correct
39 Correct 3 ms 512 KB Output is correct
40 Correct 4 ms 512 KB Output is correct
41 Correct 4 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 3 ms 512 KB Output is correct
46 Correct 3 ms 512 KB Output is correct
47 Correct 4 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 3 ms 512 KB Output is correct
52 Correct 3 ms 512 KB Output is correct
53 Correct 3 ms 512 KB Output is correct
54 Correct 3 ms 512 KB Output is correct
55 Correct 4 ms 512 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 4 ms 512 KB Output is correct
58 Correct 4 ms 512 KB Output is correct

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 300 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 384 KB Output is correct
7 Correct 455 ms 65196 KB Output is correct
8 Correct 428 ms 67184 KB Output is correct
9 Correct 451 ms 67020 KB Output is correct
10 Correct 449 ms 66988 KB Output is correct
11 Correct 423 ms 67280 KB Output is correct
12 Correct 420 ms 67020 KB Output is correct
13 Correct 470 ms 67148 KB Output is correct
14 Correct 465 ms 67144 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 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 3 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 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 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 2 ms 384 KB Output is correct
23 Correct 3 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 2 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 3 ms 512 KB Output is correct
36 Correct 4 ms 512 KB Output is correct
37 Correct 4 ms 512 KB Output is correct
38 Correct 4 ms 512 KB Output is correct
39 Correct 3 ms 512 KB Output is correct
40 Correct 4 ms 512 KB Output is correct
41 Correct 4 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 3 ms 512 KB Output is correct
46 Correct 3 ms 512 KB Output is correct
47 Correct 4 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 3 ms 512 KB Output is correct
52 Correct 3 ms 512 KB Output is correct
53 Correct 3 ms 512 KB Output is correct
54 Correct 3 ms 512 KB Output is correct
55 Correct 4 ms 512 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 4 ms 512 KB Output is correct
58 Correct 4 ms 512 KB Output is correct
59 Correct 2 ms 384 KB Output is correct
60 Correct 3 ms 384 KB Output is correct
61 Correct 2 ms 300 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 384 KB Output is correct
65 Correct 455 ms 65196 KB Output is correct
66 Correct 428 ms 67184 KB Output is correct
67 Correct 451 ms 67020 KB Output is correct
68 Correct 449 ms 66988 KB Output is correct
69 Correct 423 ms 67280 KB Output is correct
70 Correct 420 ms 67020 KB Output is correct
71 Correct 470 ms 67148 KB Output is correct
72 Correct 465 ms 67144 KB Output is correct
73 Correct 478 ms 66976 KB Output is correct
74 Correct 466 ms 67224 KB Output is correct
75 Correct 539 ms 67148 KB Output is correct
76 Correct 401 ms 67148 KB Output is correct
77 Correct 418 ms 67144 KB Output is correct
78 Correct 418 ms 67076 KB Output is correct
79 Correct 392 ms 67248 KB Output is correct
80 Correct 394 ms 67040 KB Output is correct
81 Correct 418 ms 67148 KB Output is correct
82 Correct 393 ms 67128 KB Output is correct
83 Correct 394 ms 67020 KB Output is correct
84 Correct 409 ms 67108 KB Output is correct
85 Correct 397 ms 67164 KB Output is correct
86 Correct 410 ms 67084 KB Output is correct
87 Correct 449 ms 67012 KB Output is correct
88 Correct 409 ms 67012 KB Output is correct
89 Correct 401 ms 67084 KB Output is correct
90 Correct 438 ms 67016 KB Output is correct
91 Correct 406 ms 67004 KB Output is correct
92 Correct 439 ms 67000 KB Output is correct
93 Correct 400 ms 67004 KB Output is correct
94 Correct 420 ms 67012 KB Output is correct
95 Correct 416 ms 67064 KB Output is correct
96 Correct 439 ms 67020 KB Output is correct
97 Correct 398 ms 67056 KB Output is correct
98 Correct 392 ms 67024 KB Output is correct
99 Correct 389 ms 67012 KB Output is correct
100 Correct 430 ms 67148 KB Output is correct
101 Correct 440 ms 67076 KB Output is correct
102 Correct 515 ms 67012 KB Output is correct