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Submission #701492

# Submission time Handle Problem Language Result Execution time Memory
701492 2023-02-21T11:07:53 Z WeIlIaN Lamps (JOI19_lamps) C++14
100 / 100
 170 ms 59172 KB 
#include <bits/stdc++.h>
using namespace std;
 
 
int n, dp[1000005][3]; string A, B;
 
int main(){
    cin >> n >> A >> B;
    //this allows the indexes to aline.
    A = " " + A; B = " " + B;
    vector<vector<int> > dp(n+5, vector<int>(3, 1e9));
    dp[0][0] = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j < 3; j++){
          bool eq = (j == 0 && A[i] == B[i]) || (j - 1 == B[i] - '0');
          dp[i][j] = min(dp[i][j], dp[i - 1][0] + (A[i - 1] == B[i - 1]) * !eq + (j == 1 || j == 2));
          dp[i][j] = min(dp[i][j], dp[i - 1][1] + (B[i - 1] == '0') * !eq + (j == 2));
          dp[i][j] = min(dp[i][j], 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 1 ms 212 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 304 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 304 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 304 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 304 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 308 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 352 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 304 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 304 KB Output is correct
54 Correct 1 ms 308 KB Output is correct
55 Correct 1 ms 304 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 120 ms 59004 KB Output is correct
8 Correct 124 ms 59172 KB Output is correct
9 Correct 117 ms 58948 KB Output is correct
10 Correct 118 ms 58956 KB Output is correct
11 Correct 119 ms 58916 KB Output is correct
12 Correct 118 ms 59020 KB Output is correct
13 Correct 126 ms 58916 KB Output is correct
14 Correct 128 ms 58904 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 304 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 308 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 304 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 308 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 352 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 304 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 304 KB Output is correct
54 Correct 1 ms 308 KB Output is correct
55 Correct 1 ms 304 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 308 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 120 ms 59004 KB Output is correct
66 Correct 124 ms 59172 KB Output is correct
67 Correct 117 ms 58948 KB Output is correct
68 Correct 118 ms 58956 KB Output is correct
69 Correct 119 ms 58916 KB Output is correct
70 Correct 118 ms 59020 KB Output is correct
71 Correct 126 ms 58916 KB Output is correct
72 Correct 128 ms 58904 KB Output is correct
73 Correct 126 ms 59024 KB Output is correct
74 Correct 123 ms 59024 KB Output is correct
75 Correct 126 ms 58972 KB Output is correct
76 Correct 125 ms 59028 KB Output is correct
77 Correct 121 ms 58940 KB Output is correct
78 Correct 118 ms 59024 KB Output is correct
79 Correct 132 ms 58984 KB Output is correct
80 Correct 122 ms 59020 KB Output is correct
81 Correct 119 ms 58976 KB Output is correct
82 Correct 126 ms 59024 KB Output is correct
83 Correct 136 ms 59000 KB Output is correct
84 Correct 134 ms 58944 KB Output is correct
85 Correct 126 ms 59024 KB Output is correct
86 Correct 129 ms 58940 KB Output is correct
87 Correct 131 ms 59020 KB Output is correct
88 Correct 135 ms 58944 KB Output is correct
89 Correct 135 ms 58904 KB Output is correct
90 Correct 140 ms 59012 KB Output is correct
91 Correct 142 ms 59012 KB Output is correct
92 Correct 150 ms 59020 KB Output is correct
93 Correct 147 ms 59064 KB Output is correct
94 Correct 147 ms 58904 KB Output is correct
95 Correct 136 ms 58976 KB Output is correct
96 Correct 143 ms 58936 KB Output is correct
97 Correct 146 ms 58904 KB Output is correct
98 Correct 140 ms 58916 KB Output is correct
99 Correct 130 ms 59004 KB Output is correct
100 Correct 138 ms 58936 KB Output is correct
101 Correct 150 ms 58920 KB Output is correct
102 Correct 170 ms 58956 KB Output is correct