#include <bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 998244353
#define LOGN 21
const ll MAXN = 1e6 + 100;
int dp[MAXN][6];
// 0 : değişiklik yok
// 1 : hepsi 0
// 2 : hepsi 1
// 3 : ters çevir
// 4 : önce sıfırla sonra çevir
// 5 : önce birle sonra çevir
int main() {
fast
int N;
string S, T;
cin >> N >> S >> T;
for (int i = 0; i < N; i++)
S[i] = (S[i] != T[i] ? '1' : '0');
for (int i = 0; i < MAXN; i++) {
for (int j = 0; j < 6; j++)
dp[i][j] = 1e9;
}
dp[0][0] = 0;
S = "#" + S;
for (int i = 1; i <= N; i++) {
if (S[i] == '1') {
dp[i][3] = min({dp[i-1][0] + 1, dp[i-1][1] + 1, dp[i-1][2] + 1, dp[i-1][3], dp[i-1][4], dp[i-1][5]});
if (T[i-1] == '1') {
dp[i][2] = min({dp[i-1][0] + 1, dp[i-1][1] + 1, dp[i-1][2], dp[i-1][3] + 1, dp[i-1][4] + 1, dp[i-1][5]});
dp[i][4] = 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], dp[i-1][5] + 1});
} else {
dp[i][1] = min({dp[i-1][0] + 1, dp[i-1][1], dp[i-1][2] + 1, dp[i-1][3] + 1, dp[i-1][4], dp[i-1][5] + 1});
dp[i][5] = min({dp[i-1][0] + 2, dp[i-1][1] + 2, dp[i-1][2] + 1, dp[i-1][3] + 1, dp[i-1][4] + 1, dp[i-1][5]});
}
} else {
dp[i][0] = min({dp[i-1][0], dp[i-1][1], dp[i-1][2], dp[i-1][3], dp[i-1][4], dp[i-1][5]});
if (T[i-1] == '1') {
dp[i][2] = min({dp[i-1][0] + 1, dp[i-1][1] + 1, dp[i-1][2], dp[i-1][3] + 1, dp[i-1][4] + 1, dp[i-1][5]});
dp[i][4] = 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], dp[i-1][5] + 1});
} else {
dp[i][1] = min({dp[i-1][0] + 1, dp[i-1][1], dp[i-1][2] + 1, dp[i-1][3] + 1, dp[i-1][4], dp[i-1][5] + 1});
dp[i][5] = min({dp[i-1][0] + 2, dp[i-1][1] + 2, dp[i-1][2] + 1, dp[i-1][3] + 1, dp[i-1][4] + 1, dp[i-1][5]});
}
}
}
cout << min({dp[N][0], dp[N][1], dp[N][2], dp[N][3], dp[N][4]}) << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
23900 KB |
Output is correct |
2 |
Correct |
4 ms |
23704 KB |
Output is correct |
3 |
Correct |
5 ms |
23896 KB |
Output is correct |
4 |
Correct |
5 ms |
23900 KB |
Output is correct |
5 |
Correct |
5 ms |
23900 KB |
Output is correct |
6 |
Correct |
5 ms |
23900 KB |
Output is correct |
7 |
Correct |
5 ms |
23900 KB |
Output is correct |
8 |
Correct |
5 ms |
23700 KB |
Output is correct |
9 |
Correct |
5 ms |
23900 KB |
Output is correct |
10 |
Correct |
5 ms |
23764 KB |
Output is correct |
11 |
Correct |
6 ms |
23900 KB |
Output is correct |
12 |
Correct |
5 ms |
23848 KB |
Output is correct |
13 |
Correct |
5 ms |
23720 KB |
Output is correct |
14 |
Correct |
5 ms |
23900 KB |
Output is correct |
15 |
Correct |
5 ms |
23700 KB |
Output is correct |
16 |
Correct |
5 ms |
23896 KB |
Output is correct |
17 |
Correct |
5 ms |
23900 KB |
Output is correct |
18 |
Correct |
5 ms |
23900 KB |
Output is correct |
19 |
Correct |
5 ms |
23900 KB |
Output is correct |
20 |
Correct |
5 ms |
23900 KB |
Output is correct |
21 |
Correct |
5 ms |
23896 KB |
Output is correct |
22 |
Correct |
5 ms |
23900 KB |
Output is correct |
23 |
Correct |
5 ms |
23900 KB |
Output is correct |
24 |
Correct |
5 ms |
23900 KB |
Output is correct |
25 |
Correct |
5 ms |
23764 KB |
Output is correct |
26 |
Correct |
5 ms |
23900 KB |
Output is correct |
27 |
Correct |
5 ms |
23900 KB |
Output is correct |
28 |
Correct |
5 ms |
23700 KB |
Output is correct |
29 |
Correct |
5 ms |
23896 KB |
Output is correct |
30 |
Correct |
5 ms |
23900 KB |
Output is correct |
31 |
Correct |
5 ms |
23900 KB |
Output is correct |
32 |
Correct |
5 ms |
23900 KB |
Output is correct |
33 |
Correct |
5 ms |
23900 KB |
Output is correct |
34 |
Correct |
5 ms |
23764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
23900 KB |
Output is correct |
2 |
Correct |
4 ms |
23704 KB |
Output is correct |
3 |
Correct |
5 ms |
23896 KB |
Output is correct |
4 |
Correct |
5 ms |
23900 KB |
Output is correct |
5 |
Correct |
5 ms |
23900 KB |
Output is correct |
6 |
Correct |
5 ms |
23900 KB |
Output is correct |
7 |
Correct |
5 ms |
23900 KB |
Output is correct |
8 |
Correct |
5 ms |
23700 KB |
Output is correct |
9 |
Correct |
5 ms |
23900 KB |
Output is correct |
10 |
Correct |
5 ms |
23764 KB |
Output is correct |
11 |
Correct |
6 ms |
23900 KB |
Output is correct |
12 |
Correct |
5 ms |
23848 KB |
Output is correct |
13 |
Correct |
5 ms |
23720 KB |
Output is correct |
14 |
Correct |
5 ms |
23900 KB |
Output is correct |
15 |
Correct |
5 ms |
23700 KB |
Output is correct |
16 |
Correct |
5 ms |
23896 KB |
Output is correct |
17 |
Correct |
5 ms |
23900 KB |
Output is correct |
18 |
Correct |
5 ms |
23900 KB |
Output is correct |
19 |
Correct |
5 ms |
23900 KB |
Output is correct |
20 |
Correct |
5 ms |
23900 KB |
Output is correct |
21 |
Correct |
5 ms |
23896 KB |
Output is correct |
22 |
Correct |
5 ms |
23900 KB |
Output is correct |
23 |
Correct |
5 ms |
23900 KB |
Output is correct |
24 |
Correct |
5 ms |
23900 KB |
Output is correct |
25 |
Correct |
5 ms |
23764 KB |
Output is correct |
26 |
Correct |
5 ms |
23900 KB |
Output is correct |
27 |
Correct |
5 ms |
23900 KB |
Output is correct |
28 |
Correct |
5 ms |
23700 KB |
Output is correct |
29 |
Correct |
5 ms |
23896 KB |
Output is correct |
30 |
Correct |
5 ms |
23900 KB |
Output is correct |
31 |
Correct |
5 ms |
23900 KB |
Output is correct |
32 |
Correct |
5 ms |
23900 KB |
Output is correct |
33 |
Correct |
5 ms |
23900 KB |
Output is correct |
34 |
Correct |
5 ms |
23764 KB |
Output is correct |
35 |
Correct |
5 ms |
23900 KB |
Output is correct |
36 |
Correct |
5 ms |
23900 KB |
Output is correct |
37 |
Correct |
5 ms |
23900 KB |
Output is correct |
38 |
Correct |
5 ms |
23900 KB |
Output is correct |
39 |
Correct |
5 ms |
23904 KB |
Output is correct |
40 |
Correct |
5 ms |
23896 KB |
Output is correct |
41 |
Correct |
5 ms |
23900 KB |
Output is correct |
42 |
Correct |
6 ms |
23900 KB |
Output is correct |
43 |
Correct |
5 ms |
23956 KB |
Output is correct |
44 |
Correct |
5 ms |
23896 KB |
Output is correct |
45 |
Correct |
5 ms |
23900 KB |
Output is correct |
46 |
Correct |
5 ms |
23900 KB |
Output is correct |
47 |
Correct |
5 ms |
23900 KB |
Output is correct |
48 |
Correct |
5 ms |
23960 KB |
Output is correct |
49 |
Correct |
5 ms |
23900 KB |
Output is correct |
50 |
Correct |
5 ms |
23900 KB |
Output is correct |
51 |
Correct |
5 ms |
23900 KB |
Output is correct |
52 |
Correct |
5 ms |
23900 KB |
Output is correct |
53 |
Correct |
5 ms |
23900 KB |
Output is correct |
54 |
Correct |
5 ms |
23952 KB |
Output is correct |
55 |
Correct |
5 ms |
23716 KB |
Output is correct |
56 |
Correct |
5 ms |
23900 KB |
Output is correct |
57 |
Correct |
5 ms |
23900 KB |
Output is correct |
58 |
Correct |
5 ms |
23756 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
23900 KB |
Output is correct |
2 |
Correct |
5 ms |
23900 KB |
Output is correct |
3 |
Correct |
5 ms |
24152 KB |
Output is correct |
4 |
Correct |
5 ms |
23900 KB |
Output is correct |
5 |
Correct |
5 ms |
23900 KB |
Output is correct |
6 |
Correct |
5 ms |
23900 KB |
Output is correct |
7 |
Correct |
20 ms |
26796 KB |
Output is correct |
8 |
Correct |
24 ms |
26796 KB |
Output is correct |
9 |
Correct |
23 ms |
28848 KB |
Output is correct |
10 |
Correct |
23 ms |
28844 KB |
Output is correct |
11 |
Correct |
22 ms |
28836 KB |
Output is correct |
12 |
Correct |
26 ms |
28848 KB |
Output is correct |
13 |
Correct |
23 ms |
28840 KB |
Output is correct |
14 |
Correct |
22 ms |
28848 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
23900 KB |
Output is correct |
2 |
Correct |
4 ms |
23704 KB |
Output is correct |
3 |
Correct |
5 ms |
23896 KB |
Output is correct |
4 |
Correct |
5 ms |
23900 KB |
Output is correct |
5 |
Correct |
5 ms |
23900 KB |
Output is correct |
6 |
Correct |
5 ms |
23900 KB |
Output is correct |
7 |
Correct |
5 ms |
23900 KB |
Output is correct |
8 |
Correct |
5 ms |
23700 KB |
Output is correct |
9 |
Correct |
5 ms |
23900 KB |
Output is correct |
10 |
Correct |
5 ms |
23764 KB |
Output is correct |
11 |
Correct |
6 ms |
23900 KB |
Output is correct |
12 |
Correct |
5 ms |
23848 KB |
Output is correct |
13 |
Correct |
5 ms |
23720 KB |
Output is correct |
14 |
Correct |
5 ms |
23900 KB |
Output is correct |
15 |
Correct |
5 ms |
23700 KB |
Output is correct |
16 |
Correct |
5 ms |
23896 KB |
Output is correct |
17 |
Correct |
5 ms |
23900 KB |
Output is correct |
18 |
Correct |
5 ms |
23900 KB |
Output is correct |
19 |
Correct |
5 ms |
23900 KB |
Output is correct |
20 |
Correct |
5 ms |
23900 KB |
Output is correct |
21 |
Correct |
5 ms |
23896 KB |
Output is correct |
22 |
Correct |
5 ms |
23900 KB |
Output is correct |
23 |
Correct |
5 ms |
23900 KB |
Output is correct |
24 |
Correct |
5 ms |
23900 KB |
Output is correct |
25 |
Correct |
5 ms |
23764 KB |
Output is correct |
26 |
Correct |
5 ms |
23900 KB |
Output is correct |
27 |
Correct |
5 ms |
23900 KB |
Output is correct |
28 |
Correct |
5 ms |
23700 KB |
Output is correct |
29 |
Correct |
5 ms |
23896 KB |
Output is correct |
30 |
Correct |
5 ms |
23900 KB |
Output is correct |
31 |
Correct |
5 ms |
23900 KB |
Output is correct |
32 |
Correct |
5 ms |
23900 KB |
Output is correct |
33 |
Correct |
5 ms |
23900 KB |
Output is correct |
34 |
Correct |
5 ms |
23764 KB |
Output is correct |
35 |
Correct |
5 ms |
23900 KB |
Output is correct |
36 |
Correct |
5 ms |
23900 KB |
Output is correct |
37 |
Correct |
5 ms |
23900 KB |
Output is correct |
38 |
Correct |
5 ms |
23900 KB |
Output is correct |
39 |
Correct |
5 ms |
23904 KB |
Output is correct |
40 |
Correct |
5 ms |
23896 KB |
Output is correct |
41 |
Correct |
5 ms |
23900 KB |
Output is correct |
42 |
Correct |
6 ms |
23900 KB |
Output is correct |
43 |
Correct |
5 ms |
23956 KB |
Output is correct |
44 |
Correct |
5 ms |
23896 KB |
Output is correct |
45 |
Correct |
5 ms |
23900 KB |
Output is correct |
46 |
Correct |
5 ms |
23900 KB |
Output is correct |
47 |
Correct |
5 ms |
23900 KB |
Output is correct |
48 |
Correct |
5 ms |
23960 KB |
Output is correct |
49 |
Correct |
5 ms |
23900 KB |
Output is correct |
50 |
Correct |
5 ms |
23900 KB |
Output is correct |
51 |
Correct |
5 ms |
23900 KB |
Output is correct |
52 |
Correct |
5 ms |
23900 KB |
Output is correct |
53 |
Correct |
5 ms |
23900 KB |
Output is correct |
54 |
Correct |
5 ms |
23952 KB |
Output is correct |
55 |
Correct |
5 ms |
23716 KB |
Output is correct |
56 |
Correct |
5 ms |
23900 KB |
Output is correct |
57 |
Correct |
5 ms |
23900 KB |
Output is correct |
58 |
Correct |
5 ms |
23756 KB |
Output is correct |
59 |
Correct |
5 ms |
23900 KB |
Output is correct |
60 |
Correct |
5 ms |
23900 KB |
Output is correct |
61 |
Correct |
5 ms |
24152 KB |
Output is correct |
62 |
Correct |
5 ms |
23900 KB |
Output is correct |
63 |
Correct |
5 ms |
23900 KB |
Output is correct |
64 |
Correct |
5 ms |
23900 KB |
Output is correct |
65 |
Correct |
20 ms |
26796 KB |
Output is correct |
66 |
Correct |
24 ms |
26796 KB |
Output is correct |
67 |
Correct |
23 ms |
28848 KB |
Output is correct |
68 |
Correct |
23 ms |
28844 KB |
Output is correct |
69 |
Correct |
22 ms |
28836 KB |
Output is correct |
70 |
Correct |
26 ms |
28848 KB |
Output is correct |
71 |
Correct |
23 ms |
28840 KB |
Output is correct |
72 |
Correct |
22 ms |
28848 KB |
Output is correct |
73 |
Correct |
23 ms |
28844 KB |
Output is correct |
74 |
Correct |
20 ms |
28844 KB |
Output is correct |
75 |
Correct |
22 ms |
28844 KB |
Output is correct |
76 |
Correct |
22 ms |
28840 KB |
Output is correct |
77 |
Correct |
21 ms |
28844 KB |
Output is correct |
78 |
Correct |
21 ms |
28844 KB |
Output is correct |
79 |
Correct |
20 ms |
28848 KB |
Output is correct |
80 |
Correct |
23 ms |
28836 KB |
Output is correct |
81 |
Correct |
21 ms |
28848 KB |
Output is correct |
82 |
Correct |
24 ms |
28848 KB |
Output is correct |
83 |
Correct |
26 ms |
28904 KB |
Output is correct |
84 |
Correct |
25 ms |
28840 KB |
Output is correct |
85 |
Correct |
25 ms |
28792 KB |
Output is correct |
86 |
Correct |
25 ms |
28832 KB |
Output is correct |
87 |
Correct |
27 ms |
28904 KB |
Output is correct |
88 |
Correct |
27 ms |
28900 KB |
Output is correct |
89 |
Correct |
26 ms |
28832 KB |
Output is correct |
90 |
Correct |
26 ms |
28844 KB |
Output is correct |
91 |
Correct |
28 ms |
28840 KB |
Output is correct |
92 |
Correct |
31 ms |
28784 KB |
Output is correct |
93 |
Correct |
32 ms |
28844 KB |
Output is correct |
94 |
Correct |
31 ms |
28832 KB |
Output is correct |
95 |
Correct |
31 ms |
28844 KB |
Output is correct |
96 |
Correct |
31 ms |
28840 KB |
Output is correct |
97 |
Correct |
30 ms |
28844 KB |
Output is correct |
98 |
Correct |
32 ms |
28844 KB |
Output is correct |
99 |
Correct |
31 ms |
28848 KB |
Output is correct |
100 |
Correct |
31 ms |
28840 KB |
Output is correct |
101 |
Correct |
31 ms |
28856 KB |
Output is correct |
102 |
Correct |
31 ms |
28840 KB |
Output is correct |