#include "bits/stdc++.h"
//#pragma GCC optimize("O3")
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll>pairll;
typedef long double ld;
#define fr first
#define sc second
#define pb push_back
#define INF 100000000000000007
#define I 100000000000007
#define N 100007
#define endl '\n'
#define MOD 998244353
ll n,d[N*10][7];
string a,b;
int main()
{
cin>>n;
cin>>a>>b;
a=" "+a;
b=" "+b;
d[0][1]=1;
d[0][2]=1;
d[0][3]=2;
d[0][4]=2;
d[0][5]=1;
for(int i=1;i<=n;i++){
if(a[i]==b[i]){
d[i][5]=INF;
d[i][0]=min(d[i-1][0],min(d[i-1][1],min(d[i-1][2],min(d[i-1][3],min(d[i-1][4],d[i-1][5])))));
if(a[i]=='0'){
d[i][1]=min(d[i-1][0]+1,min(d[i-1][1],min(d[i-1][2]+1,min(d[i-1][3],min(d[i-1][4]+1,d[i-1][5]+1)))));
d[i][2]=INF;
d[i][3]=INF;
d[i][4]=min(d[i-1][0]+2,min(d[i-1][1]+2,min(d[i-1][2]+1,min(d[i-1][3]+1,min(d[i-1][4],d[i-1][5]+1)))));
}else{
d[i][1]=INF;
d[i][2]=min(d[i-1][0]+1,min(d[i-1][1]+1,min(d[i-1][2],min(d[i-1][3]+1,min(d[i-1][4],d[i-1][5]+1)))));
d[i][3]=min(d[i-1][0]+2,min(d[i-1][1]+1,min(d[i-1][2]+2,min(d[i-1][3],min(d[i-1][4]+1,d[i-1][5]+1)))));
d[i][4]=INF;
}
}else{
d[i][5]=min(d[i-1][0]+1,min(d[i-1][1]+1,min(d[i-1][2]+1,min(d[i-1][3],min(d[i-1][4],d[i-1][5])))));
d[i][0]=INF;
if(a[i]=='0'){
d[i][1]=INF;
d[i][2]=min(d[i-1][0]+1,min(d[i-1][1]+1,min(d[i-1][2],min(d[i-1][3]+1,min(d[i-1][4],d[i-1][5]+1)))));
d[i][3]=min(d[i-1][0]+2,min(d[i-1][1]+1,min(d[i-1][2]+2,min(d[i-1][3],min(d[i-1][4]+1,d[i-1][5]+1)))));
d[i][4]=INF;
}else{
d[i][1]=min(d[i-1][0]+1,min(d[i-1][1],min(d[i-1][2]+1,min(d[i-1][3],min(d[i-1][4]+1,d[i-1][5]+1)))));
d[i][2]=INF;
d[i][3]=INF;
d[i][4]=min(d[i-1][0]+2,min(d[i-1][1]+2,min(d[i-1][2]+1,min(d[i-1][3]+1,min(d[i-1][4],d[i-1][5]+1)))));
}
}
//cout<<i<<" "<<d[i][0]<<" "<<d[i][1]<<" "<<d[i][2]<<" "<<d[i][3]<<" "<<d[i][4]<<" "<<d[i][5]<<endl;
}
cout<<min(d[n][0],min(d[n][1],min(d[n][2],min(d[n][3],min(d[n][4],d[n][5])))))<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
300 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
312 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
304 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
304 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
300 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
312 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
304 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
304 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
312 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 |
312 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 |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
308 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 |
340 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 |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
340 KB |
Output is correct |
55 |
Correct |
1 ms |
340 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
312 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
79 ms |
58992 KB |
Output is correct |
8 |
Correct |
73 ms |
58956 KB |
Output is correct |
9 |
Correct |
84 ms |
58956 KB |
Output is correct |
10 |
Correct |
76 ms |
59004 KB |
Output is correct |
11 |
Correct |
86 ms |
58952 KB |
Output is correct |
12 |
Correct |
70 ms |
58948 KB |
Output is correct |
13 |
Correct |
77 ms |
58968 KB |
Output is correct |
14 |
Correct |
83 ms |
58960 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
300 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
304 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
308 KB |
Output is correct |
23 |
Correct |
1 ms |
312 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
304 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
304 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
312 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 |
312 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 |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
308 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 |
340 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 |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
340 KB |
Output is correct |
55 |
Correct |
1 ms |
340 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 |
312 KB |
Output is correct |
62 |
Correct |
1 ms |
212 KB |
Output is correct |
63 |
Correct |
1 ms |
212 KB |
Output is correct |
64 |
Correct |
0 ms |
212 KB |
Output is correct |
65 |
Correct |
79 ms |
58992 KB |
Output is correct |
66 |
Correct |
73 ms |
58956 KB |
Output is correct |
67 |
Correct |
84 ms |
58956 KB |
Output is correct |
68 |
Correct |
76 ms |
59004 KB |
Output is correct |
69 |
Correct |
86 ms |
58952 KB |
Output is correct |
70 |
Correct |
70 ms |
58948 KB |
Output is correct |
71 |
Correct |
77 ms |
58968 KB |
Output is correct |
72 |
Correct |
83 ms |
58960 KB |
Output is correct |
73 |
Correct |
76 ms |
58948 KB |
Output is correct |
74 |
Correct |
73 ms |
59012 KB |
Output is correct |
75 |
Correct |
70 ms |
58912 KB |
Output is correct |
76 |
Correct |
71 ms |
59080 KB |
Output is correct |
77 |
Correct |
71 ms |
59016 KB |
Output is correct |
78 |
Correct |
86 ms |
58976 KB |
Output is correct |
79 |
Correct |
72 ms |
58908 KB |
Output is correct |
80 |
Correct |
71 ms |
58900 KB |
Output is correct |
81 |
Correct |
69 ms |
59028 KB |
Output is correct |
82 |
Correct |
73 ms |
58900 KB |
Output is correct |
83 |
Correct |
83 ms |
58960 KB |
Output is correct |
84 |
Correct |
88 ms |
58900 KB |
Output is correct |
85 |
Correct |
77 ms |
59040 KB |
Output is correct |
86 |
Correct |
74 ms |
58924 KB |
Output is correct |
87 |
Correct |
74 ms |
58980 KB |
Output is correct |
88 |
Correct |
75 ms |
59020 KB |
Output is correct |
89 |
Correct |
72 ms |
59020 KB |
Output is correct |
90 |
Correct |
76 ms |
59096 KB |
Output is correct |
91 |
Correct |
75 ms |
58964 KB |
Output is correct |
92 |
Correct |
76 ms |
58944 KB |
Output is correct |
93 |
Correct |
77 ms |
58920 KB |
Output is correct |
94 |
Correct |
79 ms |
58932 KB |
Output is correct |
95 |
Correct |
83 ms |
58968 KB |
Output is correct |
96 |
Correct |
75 ms |
58888 KB |
Output is correct |
97 |
Correct |
76 ms |
59008 KB |
Output is correct |
98 |
Correct |
76 ms |
58896 KB |
Output is correct |
99 |
Correct |
81 ms |
59136 KB |
Output is correct |
100 |
Correct |
76 ms |
58928 KB |
Output is correct |
101 |
Correct |
79 ms |
58968 KB |
Output is correct |
102 |
Correct |
78 ms |
59016 KB |
Output is correct |