#include <bits/stdc++.h>
using namespace std;
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(nullptr);
int n;
cin>>n;
string a,b;
cin>>a>>b;
vector<vector<int>> dp(n,vector<int>(6,2*n));
if(a[0]==b[0])dp[0][0]=0;
if(a[0]!=b[0])dp[0][1]=1;
if(b[0]=='0')dp[0][2]=1,dp[0][5]=2;
if(b[0]=='1')dp[0][3]=2,dp[0][4]=1;
for(int i=1;i<n;i++){
if(a[i]==b[i]) dp[i][0]=*min_element(dp[i-1].begin(),dp[i-1].end());
if(a[i]!=b[i]) dp[i][1]=min({dp[i-1][0]+1,dp[i-1][1],dp[i-1][2]+1,dp[i-1][3],dp[i-1][4]+1,dp[i-1][5]});
if(b[i]=='1'){
dp[i][3]=min({dp[i-1][3],dp[i-1][2]+1,dp[i-1][0]+2,dp[i-1][1]+1,dp[i-1][4]+2,dp[i-1][5]+1});
dp[i][4]=min({dp[i-1][0]+1,dp[i-1][1]+1,dp[i-1][2]+1,dp[i-1][3]+1,dp[i-1][4],dp[i-1][5]});
}
else{
dp[i][2]=min({dp[i-1][0]+1,dp[i-1][1]+1,dp[i-1][2],dp[i-1][3],dp[i-1][4]+1,dp[i-1][5]+1});
dp[i][5]=min({dp[i-1][0]+2,dp[i-1][1]+1,dp[i-1][2]+2,dp[i-1][3]+1,dp[i-1][4]+1,dp[i-1][5]});
}
}
cout<<*min_element(dp[n-1].begin(),dp[n-1].end());
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
260 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
320 KB |
Output is correct |
7 |
Correct |
0 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
324 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
260 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
320 KB |
Output is correct |
7 |
Correct |
0 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
324 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 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 |
340 KB |
Output is correct |
36 |
Correct |
0 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 |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
0 ms |
340 KB |
Output is correct |
43 |
Correct |
0 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
0 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 |
0 ms |
328 KB |
Output is correct |
52 |
Correct |
1 ms |
320 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
0 ms |
324 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
340 KB |
Output is correct |
57 |
Correct |
0 ms |
324 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 |
0 ms |
320 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
72 ms |
59172 KB |
Output is correct |
8 |
Correct |
68 ms |
58944 KB |
Output is correct |
9 |
Correct |
67 ms |
58912 KB |
Output is correct |
10 |
Correct |
72 ms |
59028 KB |
Output is correct |
11 |
Correct |
74 ms |
59004 KB |
Output is correct |
12 |
Correct |
73 ms |
58912 KB |
Output is correct |
13 |
Correct |
69 ms |
58936 KB |
Output is correct |
14 |
Correct |
70 ms |
58952 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
260 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
320 KB |
Output is correct |
7 |
Correct |
0 ms |
320 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
324 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 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 |
340 KB |
Output is correct |
36 |
Correct |
0 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 |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
0 ms |
340 KB |
Output is correct |
43 |
Correct |
0 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
0 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 |
0 ms |
328 KB |
Output is correct |
52 |
Correct |
1 ms |
320 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
0 ms |
324 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
340 KB |
Output is correct |
57 |
Correct |
0 ms |
324 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 |
0 ms |
320 KB |
Output is correct |
62 |
Correct |
0 ms |
212 KB |
Output is correct |
63 |
Correct |
0 ms |
212 KB |
Output is correct |
64 |
Correct |
0 ms |
212 KB |
Output is correct |
65 |
Correct |
72 ms |
59172 KB |
Output is correct |
66 |
Correct |
68 ms |
58944 KB |
Output is correct |
67 |
Correct |
67 ms |
58912 KB |
Output is correct |
68 |
Correct |
72 ms |
59028 KB |
Output is correct |
69 |
Correct |
74 ms |
59004 KB |
Output is correct |
70 |
Correct |
73 ms |
58912 KB |
Output is correct |
71 |
Correct |
69 ms |
58936 KB |
Output is correct |
72 |
Correct |
70 ms |
58952 KB |
Output is correct |
73 |
Correct |
67 ms |
58924 KB |
Output is correct |
74 |
Correct |
70 ms |
58948 KB |
Output is correct |
75 |
Correct |
68 ms |
59032 KB |
Output is correct |
76 |
Correct |
72 ms |
58920 KB |
Output is correct |
77 |
Correct |
73 ms |
58952 KB |
Output is correct |
78 |
Correct |
67 ms |
59036 KB |
Output is correct |
79 |
Correct |
67 ms |
59004 KB |
Output is correct |
80 |
Correct |
71 ms |
58976 KB |
Output is correct |
81 |
Correct |
69 ms |
59036 KB |
Output is correct |
82 |
Correct |
72 ms |
58972 KB |
Output is correct |
83 |
Correct |
72 ms |
58924 KB |
Output is correct |
84 |
Correct |
72 ms |
58932 KB |
Output is correct |
85 |
Correct |
74 ms |
59040 KB |
Output is correct |
86 |
Correct |
71 ms |
59040 KB |
Output is correct |
87 |
Correct |
72 ms |
59044 KB |
Output is correct |
88 |
Correct |
72 ms |
59036 KB |
Output is correct |
89 |
Correct |
71 ms |
59032 KB |
Output is correct |
90 |
Correct |
71 ms |
58924 KB |
Output is correct |
91 |
Correct |
74 ms |
59056 KB |
Output is correct |
92 |
Correct |
75 ms |
59032 KB |
Output is correct |
93 |
Correct |
78 ms |
59040 KB |
Output is correct |
94 |
Correct |
76 ms |
58960 KB |
Output is correct |
95 |
Correct |
78 ms |
59012 KB |
Output is correct |
96 |
Correct |
77 ms |
58904 KB |
Output is correct |
97 |
Correct |
77 ms |
58924 KB |
Output is correct |
98 |
Correct |
80 ms |
59200 KB |
Output is correct |
99 |
Correct |
75 ms |
59044 KB |
Output is correct |
100 |
Correct |
76 ms |
58908 KB |
Output is correct |
101 |
Correct |
78 ms |
59056 KB |
Output is correct |
102 |
Correct |
76 ms |
58948 KB |
Output is correct |