#include <bits/stdc++.h>
using namespace std;
const long long MX=1e6+10;
int nw1[2][2]={{0,1},{0,0}};
int nw2[3][3]={{0,1,0},{1,0,0},{1,1,0}};
int dp[MX][3][2];
int ans[MX];
int a[MX];
int b[MX];
int main()
{
cin.tie(0);
ios_base::sync_with_stdio(0);
int n;
cin>>n;
string oa,ob;
cin>>oa>>ob;
for(int i=1;i<=n;i++)
{
a[i]=(oa[i-1]-'0');
b[i]=(ob[i-1]-'0');
}
for(int i=0;i<=n;i++)
{
ans[i]=MX;
for(int j=0;j<3;j++)
{
for(int k=0;k<2;k++)
{
dp[i][j][k]=MX;
}
}
}
dp[0][2][0]=0;
for(int i=1;i<=n;i++)
{
for(int j=0;j<3;j++)
{
for(int k=0;k<2;k++)
{
if((((j==2)?a[i]:j)^k)!=b[i])
{
continue;
}
for(int mnj=0;mnj<3;mnj++)
{
for(int mnk=0;mnk<2;mnk++)
{
dp[i][j][k]=min(dp[i][j][k],dp[i-1][mnj][mnk]+nw1[mnk][k]+nw2[mnj][j]);
ans[i]=min(ans[i],dp[i][j][k]);
}
}
}
}
}
cout<<ans[n]<<"\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6492 KB |
Output is correct |
18 |
Correct |
1 ms |
6488 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
1 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6492 KB |
Output is correct |
25 |
Correct |
1 ms |
6556 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
1 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6492 KB |
Output is correct |
30 |
Correct |
1 ms |
6488 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6492 KB |
Output is correct |
18 |
Correct |
1 ms |
6488 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
1 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6492 KB |
Output is correct |
25 |
Correct |
1 ms |
6556 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
1 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6492 KB |
Output is correct |
30 |
Correct |
1 ms |
6488 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
35 |
Correct |
1 ms |
6492 KB |
Output is correct |
36 |
Correct |
1 ms |
6492 KB |
Output is correct |
37 |
Correct |
1 ms |
6492 KB |
Output is correct |
38 |
Correct |
1 ms |
6488 KB |
Output is correct |
39 |
Correct |
1 ms |
6488 KB |
Output is correct |
40 |
Correct |
1 ms |
6492 KB |
Output is correct |
41 |
Correct |
1 ms |
6492 KB |
Output is correct |
42 |
Correct |
1 ms |
6492 KB |
Output is correct |
43 |
Correct |
1 ms |
6492 KB |
Output is correct |
44 |
Correct |
1 ms |
6492 KB |
Output is correct |
45 |
Correct |
1 ms |
6492 KB |
Output is correct |
46 |
Correct |
1 ms |
6492 KB |
Output is correct |
47 |
Correct |
1 ms |
6492 KB |
Output is correct |
48 |
Correct |
1 ms |
6688 KB |
Output is correct |
49 |
Correct |
1 ms |
6492 KB |
Output is correct |
50 |
Correct |
1 ms |
6492 KB |
Output is correct |
51 |
Correct |
1 ms |
6492 KB |
Output is correct |
52 |
Correct |
1 ms |
6492 KB |
Output is correct |
53 |
Correct |
1 ms |
6492 KB |
Output is correct |
54 |
Correct |
1 ms |
6492 KB |
Output is correct |
55 |
Correct |
1 ms |
6492 KB |
Output is correct |
56 |
Correct |
1 ms |
6492 KB |
Output is correct |
57 |
Correct |
1 ms |
6488 KB |
Output is correct |
58 |
Correct |
2 ms |
6492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6488 KB |
Output is correct |
2 |
Correct |
1 ms |
6744 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
40 ms |
37584 KB |
Output is correct |
8 |
Correct |
39 ms |
37548 KB |
Output is correct |
9 |
Correct |
36 ms |
37552 KB |
Output is correct |
10 |
Correct |
37 ms |
37548 KB |
Output is correct |
11 |
Correct |
36 ms |
37552 KB |
Output is correct |
12 |
Correct |
37 ms |
37552 KB |
Output is correct |
13 |
Correct |
36 ms |
37548 KB |
Output is correct |
14 |
Correct |
37 ms |
37552 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
1 ms |
6492 KB |
Output is correct |
17 |
Correct |
1 ms |
6492 KB |
Output is correct |
18 |
Correct |
1 ms |
6488 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
6492 KB |
Output is correct |
22 |
Correct |
1 ms |
6492 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
6492 KB |
Output is correct |
25 |
Correct |
1 ms |
6556 KB |
Output is correct |
26 |
Correct |
1 ms |
6492 KB |
Output is correct |
27 |
Correct |
1 ms |
6492 KB |
Output is correct |
28 |
Correct |
1 ms |
6492 KB |
Output is correct |
29 |
Correct |
1 ms |
6492 KB |
Output is correct |
30 |
Correct |
1 ms |
6488 KB |
Output is correct |
31 |
Correct |
1 ms |
6492 KB |
Output is correct |
32 |
Correct |
1 ms |
6492 KB |
Output is correct |
33 |
Correct |
1 ms |
6492 KB |
Output is correct |
34 |
Correct |
1 ms |
6492 KB |
Output is correct |
35 |
Correct |
1 ms |
6492 KB |
Output is correct |
36 |
Correct |
1 ms |
6492 KB |
Output is correct |
37 |
Correct |
1 ms |
6492 KB |
Output is correct |
38 |
Correct |
1 ms |
6488 KB |
Output is correct |
39 |
Correct |
1 ms |
6488 KB |
Output is correct |
40 |
Correct |
1 ms |
6492 KB |
Output is correct |
41 |
Correct |
1 ms |
6492 KB |
Output is correct |
42 |
Correct |
1 ms |
6492 KB |
Output is correct |
43 |
Correct |
1 ms |
6492 KB |
Output is correct |
44 |
Correct |
1 ms |
6492 KB |
Output is correct |
45 |
Correct |
1 ms |
6492 KB |
Output is correct |
46 |
Correct |
1 ms |
6492 KB |
Output is correct |
47 |
Correct |
1 ms |
6492 KB |
Output is correct |
48 |
Correct |
1 ms |
6688 KB |
Output is correct |
49 |
Correct |
1 ms |
6492 KB |
Output is correct |
50 |
Correct |
1 ms |
6492 KB |
Output is correct |
51 |
Correct |
1 ms |
6492 KB |
Output is correct |
52 |
Correct |
1 ms |
6492 KB |
Output is correct |
53 |
Correct |
1 ms |
6492 KB |
Output is correct |
54 |
Correct |
1 ms |
6492 KB |
Output is correct |
55 |
Correct |
1 ms |
6492 KB |
Output is correct |
56 |
Correct |
1 ms |
6492 KB |
Output is correct |
57 |
Correct |
1 ms |
6488 KB |
Output is correct |
58 |
Correct |
2 ms |
6492 KB |
Output is correct |
59 |
Correct |
1 ms |
6488 KB |
Output is correct |
60 |
Correct |
1 ms |
6744 KB |
Output is correct |
61 |
Correct |
1 ms |
6492 KB |
Output is correct |
62 |
Correct |
1 ms |
6492 KB |
Output is correct |
63 |
Correct |
1 ms |
6492 KB |
Output is correct |
64 |
Correct |
1 ms |
6492 KB |
Output is correct |
65 |
Correct |
40 ms |
37584 KB |
Output is correct |
66 |
Correct |
39 ms |
37548 KB |
Output is correct |
67 |
Correct |
36 ms |
37552 KB |
Output is correct |
68 |
Correct |
37 ms |
37548 KB |
Output is correct |
69 |
Correct |
36 ms |
37552 KB |
Output is correct |
70 |
Correct |
37 ms |
37552 KB |
Output is correct |
71 |
Correct |
36 ms |
37548 KB |
Output is correct |
72 |
Correct |
37 ms |
37552 KB |
Output is correct |
73 |
Correct |
36 ms |
37544 KB |
Output is correct |
74 |
Correct |
36 ms |
37548 KB |
Output is correct |
75 |
Correct |
36 ms |
37548 KB |
Output is correct |
76 |
Correct |
36 ms |
37548 KB |
Output is correct |
77 |
Correct |
37 ms |
37544 KB |
Output is correct |
78 |
Correct |
36 ms |
37544 KB |
Output is correct |
79 |
Correct |
44 ms |
37552 KB |
Output is correct |
80 |
Correct |
36 ms |
37784 KB |
Output is correct |
81 |
Correct |
36 ms |
37552 KB |
Output is correct |
82 |
Correct |
36 ms |
37552 KB |
Output is correct |
83 |
Correct |
40 ms |
37544 KB |
Output is correct |
84 |
Correct |
41 ms |
37548 KB |
Output is correct |
85 |
Correct |
40 ms |
37548 KB |
Output is correct |
86 |
Correct |
41 ms |
37548 KB |
Output is correct |
87 |
Correct |
40 ms |
37800 KB |
Output is correct |
88 |
Correct |
40 ms |
37548 KB |
Output is correct |
89 |
Correct |
40 ms |
37548 KB |
Output is correct |
90 |
Correct |
41 ms |
37544 KB |
Output is correct |
91 |
Correct |
48 ms |
37548 KB |
Output is correct |
92 |
Correct |
43 ms |
37548 KB |
Output is correct |
93 |
Correct |
44 ms |
37544 KB |
Output is correct |
94 |
Correct |
44 ms |
37548 KB |
Output is correct |
95 |
Correct |
47 ms |
37544 KB |
Output is correct |
96 |
Correct |
48 ms |
37548 KB |
Output is correct |
97 |
Correct |
44 ms |
37548 KB |
Output is correct |
98 |
Correct |
50 ms |
37840 KB |
Output is correct |
99 |
Correct |
44 ms |
37552 KB |
Output is correct |
100 |
Correct |
44 ms |
37632 KB |
Output is correct |
101 |
Correct |
45 ms |
37552 KB |
Output is correct |
102 |
Correct |
44 ms |
37552 KB |
Output is correct |