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Submission #483146

# Submission time Handle Problem Language Result Execution time Memory
483146 2021-10-27T22:12:25 Z SirCovidThe19th Lamps (JOI19_lamps) C++17
100 / 100
 68 ms 16056 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] + (i == 1 or B[i - 1] == '0') * !eq + (j == 2));
        MIN(DP, dp[i - 1][2] + (i == 1 or 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 6 ms 12000 KB Output is correct
4 Correct 5 ms 11980 KB Output is correct
5 Correct 6 ms 12072 KB Output is correct
6 Correct 4 ms 11980 KB Output is correct
7 Correct 5 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 5 ms 11980 KB Output is correct
10 Correct 5 ms 11980 KB Output is correct
11 Correct 4 ms 11980 KB Output is correct
12 Correct 4 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 4 ms 11980 KB Output is correct
17 Correct 4 ms 11924 KB Output is correct
18 Correct 5 ms 11984 KB Output is correct
19 Correct 4 ms 11944 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 4 ms 11980 KB Output is correct
24 Correct 5 ms 11980 KB Output is correct
25 Correct 5 ms 11980 KB Output is correct
26 Correct 4 ms 11980 KB Output is correct
27 Correct 4 ms 11980 KB Output is correct
28 Correct 4 ms 11980 KB Output is correct
29 Correct 4 ms 11980 KB Output is correct
30 Correct 5 ms 11980 KB Output is correct
31 Correct 4 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 6 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 6 ms 12000 KB Output is correct
4 Correct 5 ms 11980 KB Output is correct
5 Correct 6 ms 12072 KB Output is correct
6 Correct 4 ms 11980 KB Output is correct
7 Correct 5 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 5 ms 11980 KB Output is correct
10 Correct 5 ms 11980 KB Output is correct
11 Correct 4 ms 11980 KB Output is correct
12 Correct 4 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 4 ms 11980 KB Output is correct
17 Correct 4 ms 11924 KB Output is correct
18 Correct 5 ms 11984 KB Output is correct
19 Correct 4 ms 11944 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 4 ms 11980 KB Output is correct
24 Correct 5 ms 11980 KB Output is correct
25 Correct 5 ms 11980 KB Output is correct
26 Correct 4 ms 11980 KB Output is correct
27 Correct 4 ms 11980 KB Output is correct
28 Correct 4 ms 11980 KB Output is correct
29 Correct 4 ms 11980 KB Output is correct
30 Correct 5 ms 11980 KB Output is correct
31 Correct 4 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 6 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
35 Correct 4 ms 11944 KB Output is correct
36 Correct 4 ms 11980 KB Output is correct
37 Correct 5 ms 11980 KB Output is correct
38 Correct 4 ms 11980 KB Output is correct
39 Correct 5 ms 11944 KB Output is correct
40 Correct 4 ms 11980 KB Output is correct
41 Correct 4 ms 11948 KB Output is correct
42 Correct 4 ms 11948 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 11928 KB Output is correct
46 Correct 4 ms 11980 KB Output is correct
47 Correct 4 ms 11980 KB Output is correct
48 Correct 4 ms 11980 KB Output is correct
49 Correct 4 ms 11948 KB Output is correct
50 Correct 6 ms 11980 KB Output is correct
51 Correct 5 ms 11980 KB Output is correct
52 Correct 4 ms 11980 KB Output is correct
53 Correct 5 ms 11980 KB Output is correct
54 Correct 5 ms 12032 KB Output is correct
55 Correct 5 ms 11980 KB Output is correct
56 Correct 5 ms 11980 KB Output is correct
57 Correct 5 ms 11980 KB Output is correct
58 Correct 5 ms 11980 KB Output is correct

Subtask #3
4.0 / 4.0

# 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 4 ms 11980 KB Output is correct
4 Correct 5 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 62 ms 15888 KB Output is correct
8 Correct 60 ms 15952 KB Output is correct
9 Correct 63 ms 15956 KB Output is correct
10 Correct 60 ms 15964 KB Output is correct
11 Correct 62 ms 15924 KB Output is correct
12 Correct 60 ms 15848 KB Output is correct
13 Correct 59 ms 15912 KB Output is correct
14 Correct 60 ms 16008 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 6 ms 12000 KB Output is correct
4 Correct 5 ms 11980 KB Output is correct
5 Correct 6 ms 12072 KB Output is correct
6 Correct 4 ms 11980 KB Output is correct
7 Correct 5 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 5 ms 11980 KB Output is correct
10 Correct 5 ms 11980 KB Output is correct
11 Correct 4 ms 11980 KB Output is correct
12 Correct 4 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 4 ms 11980 KB Output is correct
17 Correct 4 ms 11924 KB Output is correct
18 Correct 5 ms 11984 KB Output is correct
19 Correct 4 ms 11944 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 4 ms 11980 KB Output is correct
24 Correct 5 ms 11980 KB Output is correct
25 Correct 5 ms 11980 KB Output is correct
26 Correct 4 ms 11980 KB Output is correct
27 Correct 4 ms 11980 KB Output is correct
28 Correct 4 ms 11980 KB Output is correct
29 Correct 4 ms 11980 KB Output is correct
30 Correct 5 ms 11980 KB Output is correct
31 Correct 4 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 6 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
35 Correct 4 ms 11944 KB Output is correct
36 Correct 4 ms 11980 KB Output is correct
37 Correct 5 ms 11980 KB Output is correct
38 Correct 4 ms 11980 KB Output is correct
39 Correct 5 ms 11944 KB Output is correct
40 Correct 4 ms 11980 KB Output is correct
41 Correct 4 ms 11948 KB Output is correct
42 Correct 4 ms 11948 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 11928 KB Output is correct
46 Correct 4 ms 11980 KB Output is correct
47 Correct 4 ms 11980 KB Output is correct
48 Correct 4 ms 11980 KB Output is correct
49 Correct 4 ms 11948 KB Output is correct
50 Correct 6 ms 11980 KB Output is correct
51 Correct 5 ms 11980 KB Output is correct
52 Correct 4 ms 11980 KB Output is correct
53 Correct 5 ms 11980 KB Output is correct
54 Correct 5 ms 12032 KB Output is correct
55 Correct 5 ms 11980 KB Output is correct
56 Correct 5 ms 11980 KB Output is correct
57 Correct 5 ms 11980 KB Output is correct
58 Correct 5 ms 11980 KB Output is correct
59 Correct 4 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 5 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 62 ms 15888 KB Output is correct
66 Correct 60 ms 15952 KB Output is correct
67 Correct 63 ms 15956 KB Output is correct
68 Correct 60 ms 15964 KB Output is correct
69 Correct 62 ms 15924 KB Output is correct
70 Correct 60 ms 15848 KB Output is correct
71 Correct 59 ms 15912 KB Output is correct
72 Correct 60 ms 16008 KB Output is correct
73 Correct 68 ms 15932 KB Output is correct
74 Correct 60 ms 15912 KB Output is correct
75 Correct 61 ms 15884 KB Output is correct
76 Correct 63 ms 15884 KB Output is correct
77 Correct 62 ms 15844 KB Output is correct
78 Correct 62 ms 15900 KB Output is correct
79 Correct 61 ms 15920 KB Output is correct
80 Correct 66 ms 15884 KB Output is correct
81 Correct 61 ms 15880 KB Output is correct
82 Correct 61 ms 15888 KB Output is correct
83 Correct 65 ms 15884 KB Output is correct
84 Correct 64 ms 15860 KB Output is correct
85 Correct 66 ms 15972 KB Output is correct
86 Correct 67 ms 15948 KB Output is correct
87 Correct 64 ms 15884 KB Output is correct
88 Correct 66 ms 15944 KB Output is correct
89 Correct 66 ms 15952 KB Output is correct
90 Correct 65 ms 15884 KB Output is correct
91 Correct 65 ms 15912 KB Output is correct
92 Correct 65 ms 15924 KB Output is correct
93 Correct 67 ms 16044 KB Output is correct
94 Correct 64 ms 15868 KB Output is correct
95 Correct 65 ms 16056 KB Output is correct
96 Correct 65 ms 15944 KB Output is correct
97 Correct 65 ms 15956 KB Output is correct
98 Correct 66 ms 15948 KB Output is correct
99 Correct 65 ms 16012 KB Output is correct
100 Correct 64 ms 15888 KB Output is correct
101 Correct 65 ms 15896 KB Output is correct
102 Correct 65 ms 15940 KB Output is correct