#include <bits/stdc++.h>
using namespace std;
const int Nmax = 1e6 + 5;
static void min_to(int &x, int y) { if(x>y) x=y; }
int dp[Nmax][6], app[2][6], go[6][6];
int main()
{
// freopen("input", "r", stdin);
cin.sync_with_stdio(false);
cin.tie(0);
int n, i, j, k;
string A, B;
cin >> n;
cin >> A >> B;
for(auto &it : A) it -= '0';
for(auto &it : B) it -= '0';
for(i=0; i<6; ++i)
for(j=0; j<6; ++j)
go[i][j] = (i/3 == 1 && j/3 == 0) + (i%3 != 2 && j%3 != i%3);
for(i=0; i<2; ++i)
for(j=0; j<6; ++j)
app[i][j] = (j%3 == 2 ? i : j%3) ^ (j/3);
for(i=0; i<=n; ++i)
for(j=0; j<6; ++j)
dp[i][j] = 1e9;
dp[0][2] = 0;
for(i=0; i<n; ++i)
for(k=0; k<6; ++k)
if(app[A[i]][k] == B[i])
for(j=0; j<6; ++j)
min_to(dp[i+1][k], dp[i][j] + go[j][k]);
int ans = 1e9;
for(i=0; i<6; ++i) min_to(ans, dp[n][i] + go[i][2]);
cout << ans << '\n';
return 0;
}
Compilation message
lamp.cpp: In function 'int main()':
lamp.cpp:42:24: warning: array subscript has type 'char' [-Wchar-subscripts]
if(app[A[i]][k] == B[i])
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
3 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
3 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
3 ms |
384 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
2 ms |
384 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
2 ms |
384 KB |
Output is correct |
52 |
Correct |
3 ms |
384 KB |
Output is correct |
53 |
Correct |
3 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
2 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
384 KB |
Output is correct |
57 |
Correct |
2 ms |
384 KB |
Output is correct |
58 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
64 ms |
27824 KB |
Output is correct |
8 |
Correct |
71 ms |
27852 KB |
Output is correct |
9 |
Correct |
69 ms |
27724 KB |
Output is correct |
10 |
Correct |
67 ms |
27760 KB |
Output is correct |
11 |
Correct |
57 ms |
27724 KB |
Output is correct |
12 |
Correct |
66 ms |
27724 KB |
Output is correct |
13 |
Correct |
55 ms |
27860 KB |
Output is correct |
14 |
Correct |
58 ms |
27724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
3 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
3 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
3 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
3 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
3 ms |
384 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
2 ms |
384 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
2 ms |
384 KB |
Output is correct |
52 |
Correct |
3 ms |
384 KB |
Output is correct |
53 |
Correct |
3 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
2 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
384 KB |
Output is correct |
57 |
Correct |
2 ms |
384 KB |
Output is correct |
58 |
Correct |
2 ms |
384 KB |
Output is correct |
59 |
Correct |
2 ms |
384 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
2 ms |
384 KB |
Output is correct |
62 |
Correct |
2 ms |
384 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
Correct |
2 ms |
384 KB |
Output is correct |
65 |
Correct |
64 ms |
27824 KB |
Output is correct |
66 |
Correct |
71 ms |
27852 KB |
Output is correct |
67 |
Correct |
69 ms |
27724 KB |
Output is correct |
68 |
Correct |
67 ms |
27760 KB |
Output is correct |
69 |
Correct |
57 ms |
27724 KB |
Output is correct |
70 |
Correct |
66 ms |
27724 KB |
Output is correct |
71 |
Correct |
55 ms |
27860 KB |
Output is correct |
72 |
Correct |
58 ms |
27724 KB |
Output is correct |
73 |
Correct |
64 ms |
27852 KB |
Output is correct |
74 |
Correct |
71 ms |
27980 KB |
Output is correct |
75 |
Correct |
66 ms |
27884 KB |
Output is correct |
76 |
Correct |
65 ms |
27848 KB |
Output is correct |
77 |
Correct |
66 ms |
27976 KB |
Output is correct |
78 |
Correct |
63 ms |
27860 KB |
Output is correct |
79 |
Correct |
60 ms |
27848 KB |
Output is correct |
80 |
Correct |
57 ms |
27848 KB |
Output is correct |
81 |
Correct |
61 ms |
27912 KB |
Output is correct |
82 |
Correct |
61 ms |
27860 KB |
Output is correct |
83 |
Correct |
63 ms |
27852 KB |
Output is correct |
84 |
Correct |
68 ms |
27848 KB |
Output is correct |
85 |
Correct |
69 ms |
27852 KB |
Output is correct |
86 |
Correct |
78 ms |
27976 KB |
Output is correct |
87 |
Correct |
66 ms |
27856 KB |
Output is correct |
88 |
Correct |
69 ms |
27852 KB |
Output is correct |
89 |
Correct |
70 ms |
27920 KB |
Output is correct |
90 |
Correct |
68 ms |
27844 KB |
Output is correct |
91 |
Correct |
69 ms |
27848 KB |
Output is correct |
92 |
Correct |
85 ms |
27916 KB |
Output is correct |
93 |
Correct |
76 ms |
27848 KB |
Output is correct |
94 |
Correct |
80 ms |
27820 KB |
Output is correct |
95 |
Correct |
81 ms |
28032 KB |
Output is correct |
96 |
Correct |
72 ms |
27852 KB |
Output is correct |
97 |
Correct |
73 ms |
27852 KB |
Output is correct |
98 |
Correct |
75 ms |
27976 KB |
Output is correct |
99 |
Correct |
93 ms |
27860 KB |
Output is correct |
100 |
Correct |
76 ms |
27848 KB |
Output is correct |
101 |
Correct |
74 ms |
27852 KB |
Output is correct |
102 |
Correct |
77 ms |
27848 KB |
Output is correct |