Submission #203649

# Submission time Handle Problem Language Result Execution time Memory
203649 2020-02-21T18:18:42 Z theStaticMind Lamps (JOI19_lamps) C++14
100 / 100
139 ms 51476 KB
#include<bits/stdc++.h>
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int dp[1000001][3][2];

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);

      int n;
      cin >> n;
      string A, B;
      cin >> A >> B;

      dp[0][2][0] = 0;
      dp[0][0][0] = dp[0][1][0] = 1;
      dp[0][2][1] = 1;
      dp[0][0][1] = dp[0][1][1] = 2;
      for(int q = 0; q < n; q++){

            int i = q + 1;
            int w = A[q] - '0';
            int t = B[q] - '0';

            for(int j = 0; j < 3; j++){

                  for(int a = 0; a < 2; a++){

                        dp[i][j][a] = INF;

                        for(int k = 0; k < 3; k++){

                              for(int b = 0; b < 2; b++){

                                    int c = w;
                                    if(j < 2) c = j;
                                    if(a) c = 1 - c;

                                    if(c != t) continue;

                                    int cost = 0;

                                    if(j != k && j != 2) cost++;
                                    if(a && !b) cost++;

                                    dp[i][j][a] = min(dp[i][j][a], dp[i - 1][k][b] + cost);

                              }

                        }

                  }

            }

      }

      int ans = INF;
      for(int i = 0; i < 3; i++)for(int j = 0; j < 2; j++) ans = min(ans, dp[n][i][j]);

      cout << ans;

}
# 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 248 KB Output is correct
5 Correct 5 ms 376 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 6 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 380 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 5 ms 248 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 380 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 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
# 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 248 KB Output is correct
5 Correct 5 ms 376 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 6 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 380 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 5 ms 248 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 380 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 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 376 KB Output is correct
36 Correct 5 ms 508 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 376 KB Output is correct
40 Correct 5 ms 380 KB Output is correct
41 Correct 5 ms 380 KB Output is correct
42 Correct 5 ms 504 KB Output is correct
43 Correct 5 ms 376 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 376 KB Output is correct
47 Correct 5 ms 504 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 7 ms 504 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 6 ms 504 KB Output is correct
55 Correct 5 ms 504 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 376 KB Output is correct
# 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 504 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 121 ms 51404 KB Output is correct
8 Correct 127 ms 51356 KB Output is correct
9 Correct 126 ms 51392 KB Output is correct
10 Correct 126 ms 51404 KB Output is correct
11 Correct 123 ms 51396 KB Output is correct
12 Correct 116 ms 51376 KB Output is correct
13 Correct 116 ms 51400 KB Output is correct
14 Correct 121 ms 51400 KB Output is correct
# 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 248 KB Output is correct
5 Correct 5 ms 376 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 6 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 380 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 5 ms 248 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 380 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 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 376 KB Output is correct
36 Correct 5 ms 508 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 376 KB Output is correct
40 Correct 5 ms 380 KB Output is correct
41 Correct 5 ms 380 KB Output is correct
42 Correct 5 ms 504 KB Output is correct
43 Correct 5 ms 376 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 376 KB Output is correct
47 Correct 5 ms 504 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 7 ms 504 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 6 ms 504 KB Output is correct
55 Correct 5 ms 504 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 376 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 504 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 121 ms 51404 KB Output is correct
66 Correct 127 ms 51356 KB Output is correct
67 Correct 126 ms 51392 KB Output is correct
68 Correct 126 ms 51404 KB Output is correct
69 Correct 123 ms 51396 KB Output is correct
70 Correct 116 ms 51376 KB Output is correct
71 Correct 116 ms 51400 KB Output is correct
72 Correct 121 ms 51400 KB Output is correct
73 Correct 127 ms 51396 KB Output is correct
74 Correct 135 ms 51308 KB Output is correct
75 Correct 121 ms 51396 KB Output is correct
76 Correct 124 ms 51400 KB Output is correct
77 Correct 114 ms 51400 KB Output is correct
78 Correct 116 ms 51400 KB Output is correct
79 Correct 136 ms 51476 KB Output is correct
80 Correct 117 ms 51400 KB Output is correct
81 Correct 115 ms 51400 KB Output is correct
82 Correct 122 ms 51400 KB Output is correct
83 Correct 120 ms 51400 KB Output is correct
84 Correct 120 ms 51400 KB Output is correct
85 Correct 123 ms 51272 KB Output is correct
86 Correct 125 ms 51404 KB Output is correct
87 Correct 126 ms 51416 KB Output is correct
88 Correct 135 ms 51404 KB Output is correct
89 Correct 139 ms 51400 KB Output is correct
90 Correct 128 ms 51400 KB Output is correct
91 Correct 134 ms 51404 KB Output is correct
92 Correct 132 ms 51404 KB Output is correct
93 Correct 132 ms 51464 KB Output is correct
94 Correct 129 ms 51396 KB Output is correct
95 Correct 131 ms 51396 KB Output is correct
96 Correct 136 ms 51400 KB Output is correct
97 Correct 132 ms 51400 KB Output is correct
98 Correct 132 ms 51384 KB Output is correct
99 Correct 131 ms 51460 KB Output is correct
100 Correct 132 ms 51304 KB Output is correct
101 Correct 129 ms 51404 KB Output is correct
102 Correct 135 ms 51400 KB Output is correct