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Submission #483149

# Submission time Handle Problem Language Result Execution time Memory
483149 2021-10-27T22:33:16 Z SirCovidThe19th Lamps (JOI19_lamps) C++17
100 / 100
 79 ms 14552 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define MIN(a, b) a = min(a, b)
 
int n, dp[1000005][3]; string A, B;
 
int main(){
    cin >> n >> A >> B; A = " " + A; B = " " + B;
    memset(dp, 0x3f, sizeof(dp)); dp[0][0] = 0;
    for (int i = 1; i <= n; i++) for (int j : {0, 1, 2}){
        bool eq = (!j and A[i] == B[i]) or (j - 1 == B[i] - '0');
        int &DP = dp[i][j];
        MIN(DP, dp[i - 1][0] + (A[i - 1] == B[i - 1]) * !eq + (j == 1 or j == 2));
        MIN(DP, dp[i - 1][1] + (B[i - 1] == '0') * !eq + (j == 2));
        MIN(DP, dp[i - 1][2] + (B[i - 1] == '1') * !eq + (j == 1));
    }
    cout<<min({dp[n][0], dp[n][1], dp[n][2]})<<endl;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11980 KB Output is correct
2 Correct 4 ms 11980 KB Output is correct
3 Correct 5 ms 12008 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 5 ms 12036 KB Output is correct
6 Correct 4 ms 11980 KB Output is correct
7 Correct 4 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 4 ms 11980 KB Output is correct
10 Correct 4 ms 11980 KB Output is correct
11 Correct 4 ms 11980 KB Output is correct
12 Correct 5 ms 11980 KB Output is correct
13 Correct 4 ms 11980 KB Output is correct
14 Correct 4 ms 11980 KB Output is correct
15 Correct 4 ms 11980 KB Output is correct
16 Correct 5 ms 11980 KB Output is correct
17 Correct 5 ms 11980 KB Output is correct
18 Correct 4 ms 11980 KB Output is correct
19 Correct 4 ms 11980 KB Output is correct
20 Correct 4 ms 11980 KB Output is correct
21 Correct 4 ms 11980 KB Output is correct
22 Correct 5 ms 11980 KB Output is correct
23 Correct 5 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 11980 KB Output is correct
26 Correct 5 ms 11980 KB Output is correct
27 Correct 5 ms 11980 KB Output is correct
28 Correct 5 ms 11948 KB Output is correct
29 Correct 5 ms 11980 KB Output is correct
30 Correct 5 ms 11944 KB Output is correct
31 Correct 5 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 5 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11980 KB Output is correct
2 Correct 4 ms 11980 KB Output is correct
3 Correct 5 ms 12008 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 5 ms 12036 KB Output is correct
6 Correct 4 ms 11980 KB Output is correct
7 Correct 4 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 4 ms 11980 KB Output is correct
10 Correct 4 ms 11980 KB Output is correct
11 Correct 4 ms 11980 KB Output is correct
12 Correct 5 ms 11980 KB Output is correct
13 Correct 4 ms 11980 KB Output is correct
14 Correct 4 ms 11980 KB Output is correct
15 Correct 4 ms 11980 KB Output is correct
16 Correct 5 ms 11980 KB Output is correct
17 Correct 5 ms 11980 KB Output is correct
18 Correct 4 ms 11980 KB Output is correct
19 Correct 4 ms 11980 KB Output is correct
20 Correct 4 ms 11980 KB Output is correct
21 Correct 4 ms 11980 KB Output is correct
22 Correct 5 ms 11980 KB Output is correct
23 Correct 5 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 11980 KB Output is correct
26 Correct 5 ms 11980 KB Output is correct
27 Correct 5 ms 11980 KB Output is correct
28 Correct 5 ms 11948 KB Output is correct
29 Correct 5 ms 11980 KB Output is correct
30 Correct 5 ms 11944 KB Output is correct
31 Correct 5 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 5 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
35 Correct 5 ms 11980 KB Output is correct
36 Correct 5 ms 11980 KB Output is correct
37 Correct 6 ms 11980 KB Output is correct
38 Correct 5 ms 11980 KB Output is correct
39 Correct 5 ms 11944 KB Output is correct
40 Correct 5 ms 11948 KB Output is correct
41 Correct 5 ms 11980 KB Output is correct
42 Correct 5 ms 11980 KB Output is correct
43 Correct 5 ms 11980 KB Output is correct
44 Correct 5 ms 11980 KB Output is correct
45 Correct 5 ms 11980 KB Output is correct
46 Correct 5 ms 11980 KB Output is correct
47 Correct 5 ms 11980 KB Output is correct
48 Correct 5 ms 12048 KB Output is correct
49 Correct 5 ms 11980 KB Output is correct
50 Correct 6 ms 11980 KB Output is correct
51 Correct 6 ms 11980 KB Output is correct
52 Correct 5 ms 11980 KB Output is correct
53 Correct 5 ms 11980 KB Output is correct
54 Correct 5 ms 12008 KB Output is correct
55 Correct 5 ms 11944 KB Output is correct
56 Correct 5 ms 11980 KB Output is correct
57 Correct 4 ms 11980 KB Output is correct
58 Correct 4 ms 11980 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 11980 KB Output is correct
2 Correct 4 ms 11980 KB Output is correct
3 Correct 4 ms 11980 KB Output is correct
4 Correct 4 ms 11980 KB Output is correct
5 Correct 4 ms 11980 KB Output is correct
6 Correct 5 ms 11980 KB Output is correct
7 Correct 66 ms 14456 KB Output is correct
8 Correct 69 ms 14464 KB Output is correct
9 Correct 68 ms 14492 KB Output is correct
10 Correct 64 ms 14480 KB Output is correct
11 Correct 61 ms 14488 KB Output is correct
12 Correct 63 ms 14440 KB Output is correct
13 Correct 71 ms 14516 KB Output is correct
14 Correct 68 ms 14484 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11980 KB Output is correct
2 Correct 4 ms 11980 KB Output is correct
3 Correct 5 ms 12008 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 5 ms 12036 KB Output is correct
6 Correct 4 ms 11980 KB Output is correct
7 Correct 4 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 4 ms 11980 KB Output is correct
10 Correct 4 ms 11980 KB Output is correct
11 Correct 4 ms 11980 KB Output is correct
12 Correct 5 ms 11980 KB Output is correct
13 Correct 4 ms 11980 KB Output is correct
14 Correct 4 ms 11980 KB Output is correct
15 Correct 4 ms 11980 KB Output is correct
16 Correct 5 ms 11980 KB Output is correct
17 Correct 5 ms 11980 KB Output is correct
18 Correct 4 ms 11980 KB Output is correct
19 Correct 4 ms 11980 KB Output is correct
20 Correct 4 ms 11980 KB Output is correct
21 Correct 4 ms 11980 KB Output is correct
22 Correct 5 ms 11980 KB Output is correct
23 Correct 5 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 11980 KB Output is correct
26 Correct 5 ms 11980 KB Output is correct
27 Correct 5 ms 11980 KB Output is correct
28 Correct 5 ms 11948 KB Output is correct
29 Correct 5 ms 11980 KB Output is correct
30 Correct 5 ms 11944 KB Output is correct
31 Correct 5 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 5 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
35 Correct 5 ms 11980 KB Output is correct
36 Correct 5 ms 11980 KB Output is correct
37 Correct 6 ms 11980 KB Output is correct
38 Correct 5 ms 11980 KB Output is correct
39 Correct 5 ms 11944 KB Output is correct
40 Correct 5 ms 11948 KB Output is correct
41 Correct 5 ms 11980 KB Output is correct
42 Correct 5 ms 11980 KB Output is correct
43 Correct 5 ms 11980 KB Output is correct
44 Correct 5 ms 11980 KB Output is correct
45 Correct 5 ms 11980 KB Output is correct
46 Correct 5 ms 11980 KB Output is correct
47 Correct 5 ms 11980 KB Output is correct
48 Correct 5 ms 12048 KB Output is correct
49 Correct 5 ms 11980 KB Output is correct
50 Correct 6 ms 11980 KB Output is correct
51 Correct 6 ms 11980 KB Output is correct
52 Correct 5 ms 11980 KB Output is correct
53 Correct 5 ms 11980 KB Output is correct
54 Correct 5 ms 12008 KB Output is correct
55 Correct 5 ms 11944 KB Output is correct
56 Correct 5 ms 11980 KB Output is correct
57 Correct 4 ms 11980 KB Output is correct
58 Correct 4 ms 11980 KB Output is correct
59 Correct 5 ms 11980 KB Output is correct
60 Correct 4 ms 11980 KB Output is correct
61 Correct 4 ms 11980 KB Output is correct
62 Correct 4 ms 11980 KB Output is correct
63 Correct 4 ms 11980 KB Output is correct
64 Correct 5 ms 11980 KB Output is correct
65 Correct 66 ms 14456 KB Output is correct
66 Correct 69 ms 14464 KB Output is correct
67 Correct 68 ms 14492 KB Output is correct
68 Correct 64 ms 14480 KB Output is correct
69 Correct 61 ms 14488 KB Output is correct
70 Correct 63 ms 14440 KB Output is correct
71 Correct 71 ms 14516 KB Output is correct
72 Correct 68 ms 14484 KB Output is correct
73 Correct 61 ms 14480 KB Output is correct
74 Correct 64 ms 14428 KB Output is correct
75 Correct 75 ms 14472 KB Output is correct
76 Correct 62 ms 14424 KB Output is correct
77 Correct 61 ms 14508 KB Output is correct
78 Correct 62 ms 14424 KB Output is correct
79 Correct 66 ms 14476 KB Output is correct
80 Correct 65 ms 14476 KB Output is correct
81 Correct 62 ms 14500 KB Output is correct
82 Correct 63 ms 14460 KB Output is correct
83 Correct 70 ms 14488 KB Output is correct
84 Correct 67 ms 14480 KB Output is correct
85 Correct 79 ms 14476 KB Output is correct
86 Correct 66 ms 14476 KB Output is correct
87 Correct 67 ms 14496 KB Output is correct
88 Correct 75 ms 14456 KB Output is correct
89 Correct 69 ms 14420 KB Output is correct
90 Correct 67 ms 14500 KB Output is correct
91 Correct 69 ms 14552 KB Output is correct
92 Correct 65 ms 14476 KB Output is correct
93 Correct 65 ms 14448 KB Output is correct
94 Correct 66 ms 14392 KB Output is correct
95 Correct 65 ms 14424 KB Output is correct
96 Correct 65 ms 14424 KB Output is correct
97 Correct 74 ms 14532 KB Output is correct
98 Correct 66 ms 14508 KB Output is correct
99 Correct 66 ms 14488 KB Output is correct
100 Correct 79 ms 14480 KB Output is correct
101 Correct 65 ms 14456 KB Output is correct
102 Correct 66 ms 14480 KB Output is correct