oj.uz

Submission #210595

# Submission time Handle Problem Language Result Execution time Memory
210595 2020-03-17T19:39:59 Z Mamnoon_Siam Lamps (JOI19_lamps) C++17
100 / 100
 189 ms 41620 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;

const int N = 1e6 + 6;

// msk = reset|set|toggle

int apply(int x, int msk) {
  int ret = x;
  if(msk & 4) ret = 0;
  if(msk & 2) ret = 1;
  if(msk & 1) ret ^= 1;
  return ret;
}

int dp[N][1 << 3];
int n;
vi A, B;

int main(int argc, char const *argv[])
{
  cin.sync_with_stdio(0); cin.tie(0);
  cin.exceptions(cin.failbit);
#ifdef LOCAL
  freopen("in", "r", stdin);
#endif
  cin >> n;
  #define read(v) { string s; cin >> s; \
    for(int i = 0; i < n; i++) v.emplace_back(s[i] - '0'); }
  read(A); read(B);
  for(int u = 0; u < 8; u++) dp[n][u] = __builtin_popcount(u);
  for(int i = n-1; i >= 0; i--) {
    for(int u = 0; u < 8; u++) dp[i][u] = 1e9;
    for(int u = 0; u < 8; u++) if((u & 6) != 6) {
      for(int v = 0; v < 8; v++) if((v & 6) != 6) {
        if(apply(A[i], v) == B[i]) {
          dp[i][u] = min(dp[i][u], __builtin_popcount(u ^ v) + dp[i+1][v]);
        }
      }
    }
  }
  cout << dp[0][0] / 2 << endl;
  return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 4 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 4 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 504 KB Output is correct
36 Correct 5 ms 504 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 380 KB Output is correct
40 Correct 5 ms 380 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 6 ms 376 KB Output is correct
43 Correct 5 ms 380 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 504 KB Output is correct
46 Correct 5 ms 380 KB Output is correct
47 Correct 5 ms 380 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 504 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 170 ms 41600 KB Output is correct
8 Correct 174 ms 41600 KB Output is correct
9 Correct 171 ms 41596 KB Output is correct
10 Correct 175 ms 41600 KB Output is correct
11 Correct 171 ms 41564 KB Output is correct
12 Correct 172 ms 41620 KB Output is correct
13 Correct 177 ms 41592 KB Output is correct
14 Correct 180 ms 41572 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 4 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 504 KB Output is correct
36 Correct 5 ms 504 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 380 KB Output is correct
40 Correct 5 ms 380 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 6 ms 376 KB Output is correct
43 Correct 5 ms 380 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 504 KB Output is correct
46 Correct 5 ms 380 KB Output is correct
47 Correct 5 ms 380 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 504 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 376 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 5 ms 376 KB Output is correct
64 Correct 5 ms 376 KB Output is correct
65 Correct 170 ms 41600 KB Output is correct
66 Correct 174 ms 41600 KB Output is correct
67 Correct 171 ms 41596 KB Output is correct
68 Correct 175 ms 41600 KB Output is correct
69 Correct 171 ms 41564 KB Output is correct
70 Correct 172 ms 41620 KB Output is correct
71 Correct 177 ms 41592 KB Output is correct
72 Correct 180 ms 41572 KB Output is correct
73 Correct 178 ms 41492 KB Output is correct
74 Correct 177 ms 41604 KB Output is correct
75 Correct 180 ms 41588 KB Output is correct
76 Correct 176 ms 41596 KB Output is correct
77 Correct 172 ms 41592 KB Output is correct
78 Correct 169 ms 41592 KB Output is correct
79 Correct 171 ms 41596 KB Output is correct
80 Correct 177 ms 41600 KB Output is correct
81 Correct 172 ms 41596 KB Output is correct
82 Correct 178 ms 41592 KB Output is correct
83 Correct 186 ms 41592 KB Output is correct
84 Correct 181 ms 41592 KB Output is correct
85 Correct 175 ms 41604 KB Output is correct
86 Correct 183 ms 41600 KB Output is correct
87 Correct 177 ms 41600 KB Output is correct
88 Correct 182 ms 41604 KB Output is correct
89 Correct 176 ms 41604 KB Output is correct
90 Correct 180 ms 41556 KB Output is correct
91 Correct 183 ms 41512 KB Output is correct
92 Correct 183 ms 41564 KB Output is correct
93 Correct 186 ms 41592 KB Output is correct
94 Correct 184 ms 41604 KB Output is correct
95 Correct 188 ms 41604 KB Output is correct
96 Correct 189 ms 41600 KB Output is correct
97 Correct 186 ms 41604 KB Output is correct
98 Correct 186 ms 41600 KB Output is correct
99 Correct 184 ms 41596 KB Output is correct
100 Correct 187 ms 41600 KB Output is correct
101 Correct 184 ms 41600 KB Output is correct
102 Correct 188 ms 41604 KB Output is correct