#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define all(a) begin(a),end(a)
const int mxN = (int)2e5+10;
string s, ss;
int n, a[mxN], b[mxN], dp[mxN][3];
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> s >> ss; int ans = mxN;
for(int i = 0; i < n; i++)
a[i+1] = s[i]=='1', b[i+1] = ss[i]=='1';
memset(dp,63,sizeof(dp)); dp[0][2] = 0;
for(int i = 1; i <= n; i++){
for(int j = 0; j < 3; j++){
bool eq = ((j==2 and a[i]==b[i]) or j==b[i]);
dp[i][j] = min(dp[i][j], dp[i-1][0]+!b[i-1]*!eq+(j==1));
dp[i][j] = min(dp[i][j], dp[i-1][1]+b[i-1]*!eq+(j==0));
dp[i][j] = min(dp[i][j], dp[i-1][2]+!eq*(a[i-1]==b[i-1])+(j!=2));
if(i==n) ans = min(ans, dp[i][j]);
}
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2644 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
2 ms |
2644 KB |
Output is correct |
23 |
Correct |
2 ms |
2644 KB |
Output is correct |
24 |
Correct |
2 ms |
2644 KB |
Output is correct |
25 |
Correct |
2 ms |
2644 KB |
Output is correct |
26 |
Correct |
2 ms |
2644 KB |
Output is correct |
27 |
Correct |
2 ms |
2644 KB |
Output is correct |
28 |
Correct |
2 ms |
2632 KB |
Output is correct |
29 |
Correct |
1 ms |
2644 KB |
Output is correct |
30 |
Correct |
1 ms |
2632 KB |
Output is correct |
31 |
Correct |
2 ms |
2644 KB |
Output is correct |
32 |
Correct |
2 ms |
2644 KB |
Output is correct |
33 |
Correct |
2 ms |
2644 KB |
Output is correct |
34 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2644 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
2 ms |
2644 KB |
Output is correct |
23 |
Correct |
2 ms |
2644 KB |
Output is correct |
24 |
Correct |
2 ms |
2644 KB |
Output is correct |
25 |
Correct |
2 ms |
2644 KB |
Output is correct |
26 |
Correct |
2 ms |
2644 KB |
Output is correct |
27 |
Correct |
2 ms |
2644 KB |
Output is correct |
28 |
Correct |
2 ms |
2632 KB |
Output is correct |
29 |
Correct |
1 ms |
2644 KB |
Output is correct |
30 |
Correct |
1 ms |
2632 KB |
Output is correct |
31 |
Correct |
2 ms |
2644 KB |
Output is correct |
32 |
Correct |
2 ms |
2644 KB |
Output is correct |
33 |
Correct |
2 ms |
2644 KB |
Output is correct |
34 |
Correct |
2 ms |
2644 KB |
Output is correct |
35 |
Correct |
2 ms |
2644 KB |
Output is correct |
36 |
Correct |
2 ms |
2644 KB |
Output is correct |
37 |
Correct |
2 ms |
2632 KB |
Output is correct |
38 |
Correct |
2 ms |
2644 KB |
Output is correct |
39 |
Correct |
1 ms |
2644 KB |
Output is correct |
40 |
Correct |
2 ms |
2644 KB |
Output is correct |
41 |
Correct |
2 ms |
2644 KB |
Output is correct |
42 |
Correct |
2 ms |
2704 KB |
Output is correct |
43 |
Correct |
2 ms |
2644 KB |
Output is correct |
44 |
Correct |
2 ms |
2644 KB |
Output is correct |
45 |
Correct |
2 ms |
2644 KB |
Output is correct |
46 |
Correct |
2 ms |
2632 KB |
Output is correct |
47 |
Correct |
2 ms |
2644 KB |
Output is correct |
48 |
Correct |
2 ms |
2644 KB |
Output is correct |
49 |
Correct |
2 ms |
2644 KB |
Output is correct |
50 |
Correct |
2 ms |
2636 KB |
Output is correct |
51 |
Correct |
2 ms |
2644 KB |
Output is correct |
52 |
Correct |
2 ms |
2644 KB |
Output is correct |
53 |
Correct |
2 ms |
2644 KB |
Output is correct |
54 |
Correct |
2 ms |
2600 KB |
Output is correct |
55 |
Correct |
2 ms |
2644 KB |
Output is correct |
56 |
Correct |
2 ms |
2644 KB |
Output is correct |
57 |
Correct |
2 ms |
2656 KB |
Output is correct |
58 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Runtime error |
9 ms |
7884 KB |
Execution killed with signal 11 |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2644 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
2 ms |
2644 KB |
Output is correct |
23 |
Correct |
2 ms |
2644 KB |
Output is correct |
24 |
Correct |
2 ms |
2644 KB |
Output is correct |
25 |
Correct |
2 ms |
2644 KB |
Output is correct |
26 |
Correct |
2 ms |
2644 KB |
Output is correct |
27 |
Correct |
2 ms |
2644 KB |
Output is correct |
28 |
Correct |
2 ms |
2632 KB |
Output is correct |
29 |
Correct |
1 ms |
2644 KB |
Output is correct |
30 |
Correct |
1 ms |
2632 KB |
Output is correct |
31 |
Correct |
2 ms |
2644 KB |
Output is correct |
32 |
Correct |
2 ms |
2644 KB |
Output is correct |
33 |
Correct |
2 ms |
2644 KB |
Output is correct |
34 |
Correct |
2 ms |
2644 KB |
Output is correct |
35 |
Correct |
2 ms |
2644 KB |
Output is correct |
36 |
Correct |
2 ms |
2644 KB |
Output is correct |
37 |
Correct |
2 ms |
2632 KB |
Output is correct |
38 |
Correct |
2 ms |
2644 KB |
Output is correct |
39 |
Correct |
1 ms |
2644 KB |
Output is correct |
40 |
Correct |
2 ms |
2644 KB |
Output is correct |
41 |
Correct |
2 ms |
2644 KB |
Output is correct |
42 |
Correct |
2 ms |
2704 KB |
Output is correct |
43 |
Correct |
2 ms |
2644 KB |
Output is correct |
44 |
Correct |
2 ms |
2644 KB |
Output is correct |
45 |
Correct |
2 ms |
2644 KB |
Output is correct |
46 |
Correct |
2 ms |
2632 KB |
Output is correct |
47 |
Correct |
2 ms |
2644 KB |
Output is correct |
48 |
Correct |
2 ms |
2644 KB |
Output is correct |
49 |
Correct |
2 ms |
2644 KB |
Output is correct |
50 |
Correct |
2 ms |
2636 KB |
Output is correct |
51 |
Correct |
2 ms |
2644 KB |
Output is correct |
52 |
Correct |
2 ms |
2644 KB |
Output is correct |
53 |
Correct |
2 ms |
2644 KB |
Output is correct |
54 |
Correct |
2 ms |
2600 KB |
Output is correct |
55 |
Correct |
2 ms |
2644 KB |
Output is correct |
56 |
Correct |
2 ms |
2644 KB |
Output is correct |
57 |
Correct |
2 ms |
2656 KB |
Output is correct |
58 |
Correct |
2 ms |
2644 KB |
Output is correct |
59 |
Correct |
2 ms |
2644 KB |
Output is correct |
60 |
Correct |
2 ms |
2644 KB |
Output is correct |
61 |
Correct |
2 ms |
2644 KB |
Output is correct |
62 |
Correct |
2 ms |
2644 KB |
Output is correct |
63 |
Correct |
2 ms |
2644 KB |
Output is correct |
64 |
Correct |
1 ms |
2644 KB |
Output is correct |
65 |
Runtime error |
9 ms |
7884 KB |
Execution killed with signal 11 |
66 |
Halted |
0 ms |
0 KB |
- |