#include <bits/stdc++.h>
using namespace std;
string A, B;
int dp[1000001][3];
char apply(char a, int y) {
return (y == 0) ? '0' : (y == 1) ? '1' : a;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
int n; cin >> n;
cin >> A >> B;
memset(dp, 0x3f3f3f3f, sizeof(dp));
dp[0][2] = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < 3; j++) {
for (int k = 0; k < 3; k++) {
int cot = dp[i][j];
if (j != k && k != 2) cot++;
if ((i == 0 || apply(A[i - 1], j) == B[i - 1]) &&
apply(A[i], k) != B[i])
++cot;
dp[i+1][k] = min(dp[i+1][k], cot);
}
}
}
cout << min({ dp[n][0], dp[n][1], dp[n][2] });
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 2 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 3 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 5 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 6 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 7 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 8 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 9 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 10 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 11 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 12 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 13 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 14 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 15 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 16 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 17 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 18 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 19 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 20 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 21 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 22 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 23 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 24 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 25 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 26 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 27 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 28 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 29 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 30 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 31 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 32 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 33 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 34 |
Correct |
5 ms |
11980 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 2 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 3 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 5 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 6 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 7 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 8 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 9 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 10 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 11 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 12 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 13 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 14 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 15 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 16 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 17 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 18 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 19 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 20 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 21 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 22 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 23 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 24 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 25 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 26 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 27 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 28 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 29 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 30 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 31 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 32 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 33 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 34 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 35 |
Correct |
6 ms |
11972 KB |
Output is correct |
| 36 |
Correct |
6 ms |
11952 KB |
Output is correct |
| 37 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 38 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 39 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 40 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 41 |
Correct |
6 ms |
11964 KB |
Output is correct |
| 42 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 43 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 44 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 45 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 46 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 47 |
Correct |
6 ms |
11964 KB |
Output is correct |
| 48 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 49 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 50 |
Correct |
6 ms |
12024 KB |
Output is correct |
| 51 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 52 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 53 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 54 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 55 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 56 |
Correct |
6 ms |
12032 KB |
Output is correct |
| 57 |
Correct |
5 ms |
11964 KB |
Output is correct |
| 58 |
Correct |
6 ms |
11980 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 2 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 3 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11972 KB |
Output is correct |
| 5 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 6 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 7 |
Correct |
53 ms |
14768 KB |
Output is correct |
| 8 |
Correct |
48 ms |
14756 KB |
Output is correct |
| 9 |
Correct |
47 ms |
14752 KB |
Output is correct |
| 10 |
Correct |
48 ms |
14752 KB |
Output is correct |
| 11 |
Correct |
48 ms |
14768 KB |
Output is correct |
| 12 |
Correct |
49 ms |
14712 KB |
Output is correct |
| 13 |
Correct |
46 ms |
14748 KB |
Output is correct |
| 14 |
Correct |
45 ms |
14648 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 2 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 3 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 4 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 5 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 6 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 7 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 8 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 9 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 10 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 11 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 12 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 13 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 14 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 15 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 16 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 17 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 18 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 19 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 20 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 21 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 22 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 23 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 24 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 25 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 26 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 27 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 28 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 29 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 30 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 31 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 32 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 33 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 34 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 35 |
Correct |
6 ms |
11972 KB |
Output is correct |
| 36 |
Correct |
6 ms |
11952 KB |
Output is correct |
| 37 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 38 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 39 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 40 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 41 |
Correct |
6 ms |
11964 KB |
Output is correct |
| 42 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 43 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 44 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 45 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 46 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 47 |
Correct |
6 ms |
11964 KB |
Output is correct |
| 48 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 49 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 50 |
Correct |
6 ms |
12024 KB |
Output is correct |
| 51 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 52 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 53 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 54 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 55 |
Correct |
7 ms |
11980 KB |
Output is correct |
| 56 |
Correct |
6 ms |
12032 KB |
Output is correct |
| 57 |
Correct |
5 ms |
11964 KB |
Output is correct |
| 58 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 59 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 60 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 61 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 62 |
Correct |
5 ms |
11972 KB |
Output is correct |
| 63 |
Correct |
5 ms |
11980 KB |
Output is correct |
| 64 |
Correct |
6 ms |
11980 KB |
Output is correct |
| 65 |
Correct |
53 ms |
14768 KB |
Output is correct |
| 66 |
Correct |
48 ms |
14756 KB |
Output is correct |
| 67 |
Correct |
47 ms |
14752 KB |
Output is correct |
| 68 |
Correct |
48 ms |
14752 KB |
Output is correct |
| 69 |
Correct |
48 ms |
14768 KB |
Output is correct |
| 70 |
Correct |
49 ms |
14712 KB |
Output is correct |
| 71 |
Correct |
46 ms |
14748 KB |
Output is correct |
| 72 |
Correct |
45 ms |
14648 KB |
Output is correct |
| 73 |
Correct |
47 ms |
16040 KB |
Output is correct |
| 74 |
Correct |
49 ms |
16028 KB |
Output is correct |
| 75 |
Correct |
49 ms |
16212 KB |
Output is correct |
| 76 |
Correct |
47 ms |
16072 KB |
Output is correct |
| 77 |
Correct |
45 ms |
16024 KB |
Output is correct |
| 78 |
Correct |
44 ms |
16096 KB |
Output is correct |
| 79 |
Correct |
50 ms |
16032 KB |
Output is correct |
| 80 |
Correct |
49 ms |
16016 KB |
Output is correct |
| 81 |
Correct |
45 ms |
16068 KB |
Output is correct |
| 82 |
Correct |
45 ms |
16096 KB |
Output is correct |
| 83 |
Correct |
50 ms |
16028 KB |
Output is correct |
| 84 |
Correct |
56 ms |
16036 KB |
Output is correct |
| 85 |
Correct |
49 ms |
16028 KB |
Output is correct |
| 86 |
Correct |
51 ms |
16212 KB |
Output is correct |
| 87 |
Correct |
52 ms |
16028 KB |
Output is correct |
| 88 |
Correct |
50 ms |
16028 KB |
Output is correct |
| 89 |
Correct |
53 ms |
16028 KB |
Output is correct |
| 90 |
Correct |
50 ms |
16100 KB |
Output is correct |
| 91 |
Correct |
53 ms |
16028 KB |
Output is correct |
| 92 |
Correct |
55 ms |
16104 KB |
Output is correct |
| 93 |
Correct |
57 ms |
16096 KB |
Output is correct |
| 94 |
Correct |
60 ms |
16060 KB |
Output is correct |
| 95 |
Correct |
57 ms |
16028 KB |
Output is correct |
| 96 |
Correct |
56 ms |
16036 KB |
Output is correct |
| 97 |
Correct |
59 ms |
16100 KB |
Output is correct |
| 98 |
Correct |
54 ms |
16100 KB |
Output is correct |
| 99 |
Correct |
57 ms |
16096 KB |
Output is correct |
| 100 |
Correct |
56 ms |
16056 KB |
Output is correct |
| 101 |
Correct |
57 ms |
16116 KB |
Output is correct |
| 102 |
Correct |
56 ms |
16008 KB |
Output is correct |
