#include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 1e9;
const int MX = (int)1e6 + 42;
int dp[MX][3][2];
void solve(int tcId) {
int n;
cin >> n;
vector<int> a (n + 1, 0);
vector<int> b (n + 1, 0);
for (int i = 1; i <= n; i++) {
char v;
cin >> v;
a[i] = v - '0';
}
for (int i = 1; i <= n; i++) {
char v;
cin >> v;
b[i] = v - '0';
}
for (int i = 0; i <= n; i++)
for (int j = 0; j < 3; j++)
for (int k = 0; k < 2; k++)
dp[i][j][k] = INF;
dp[0][2][0] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 0; j < 3; j++) {
for (int k = 0; k < 2; k++) {
for (int pJ = 0; pJ < 3; pJ++) {
for (int pk = 0; pk < 2; pk++) {
int cnt = 0;
if (pJ != j && j != 2)
cnt++;
if (k != pk && k != 0)
cnt++;
int v = a[i];
if (j == 0) v = 0;
else if (j == 1) v = 1;
if (k) v ^= 1;
if (v == b[i])
dp[i][j][k] = min(dp[i][j][k], dp[i - 1][pJ][pk] + cnt);
}
}
}
}
}
int ans = 1e18;
for (int i = 0; i < 3; i++)
for (int j = 0; j < 2; j++)
ans = min(ans, dp[n][i][j]);
cout << ans << '\n';
}
signed main() {
bool multi = false;
if (!multi) {
solve(42);
} else {
int t;
cin >> t;
while (t--)
solve(t);
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
304 KB |
Output is correct |
3 |
Correct |
0 ms |
212 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 |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 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 |
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 |
1 ms |
240 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 |
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 |
312 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 |
308 KB |
Output is correct |
29 |
Correct |
1 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 |
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 |
0 ms |
304 KB |
Output is correct |
3 |
Correct |
0 ms |
212 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 |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 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 |
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 |
1 ms |
240 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 |
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 |
312 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 |
308 KB |
Output is correct |
29 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 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 |
432 KB |
Output is correct |
45 |
Correct |
1 ms |
340 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 |
432 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
432 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
432 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 |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 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 |
212 KB |
Output is correct |
7 |
Correct |
191 ms |
64848 KB |
Output is correct |
8 |
Correct |
210 ms |
64876 KB |
Output is correct |
9 |
Correct |
198 ms |
64844 KB |
Output is correct |
10 |
Correct |
197 ms |
64768 KB |
Output is correct |
11 |
Correct |
197 ms |
64876 KB |
Output is correct |
12 |
Correct |
199 ms |
64872 KB |
Output is correct |
13 |
Correct |
197 ms |
64840 KB |
Output is correct |
14 |
Correct |
194 ms |
64844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
304 KB |
Output is correct |
3 |
Correct |
0 ms |
212 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 |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 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 |
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 |
1 ms |
240 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 |
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 |
312 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 |
308 KB |
Output is correct |
29 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 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 |
432 KB |
Output is correct |
45 |
Correct |
1 ms |
340 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 |
432 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
432 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
432 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 |
0 ms |
212 KB |
Output is correct |
60 |
Correct |
0 ms |
212 KB |
Output is correct |
61 |
Correct |
1 ms |
212 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 |
191 ms |
64848 KB |
Output is correct |
66 |
Correct |
210 ms |
64876 KB |
Output is correct |
67 |
Correct |
198 ms |
64844 KB |
Output is correct |
68 |
Correct |
197 ms |
64768 KB |
Output is correct |
69 |
Correct |
197 ms |
64876 KB |
Output is correct |
70 |
Correct |
199 ms |
64872 KB |
Output is correct |
71 |
Correct |
197 ms |
64840 KB |
Output is correct |
72 |
Correct |
194 ms |
64844 KB |
Output is correct |
73 |
Correct |
207 ms |
64840 KB |
Output is correct |
74 |
Correct |
197 ms |
64832 KB |
Output is correct |
75 |
Correct |
197 ms |
64840 KB |
Output is correct |
76 |
Correct |
198 ms |
64972 KB |
Output is correct |
77 |
Correct |
196 ms |
64840 KB |
Output is correct |
78 |
Correct |
197 ms |
64848 KB |
Output is correct |
79 |
Correct |
195 ms |
64840 KB |
Output is correct |
80 |
Correct |
204 ms |
64836 KB |
Output is correct |
81 |
Correct |
197 ms |
64840 KB |
Output is correct |
82 |
Correct |
196 ms |
64876 KB |
Output is correct |
83 |
Correct |
195 ms |
64824 KB |
Output is correct |
84 |
Correct |
199 ms |
64836 KB |
Output is correct |
85 |
Correct |
195 ms |
64840 KB |
Output is correct |
86 |
Correct |
198 ms |
64964 KB |
Output is correct |
87 |
Correct |
199 ms |
64832 KB |
Output is correct |
88 |
Correct |
207 ms |
64840 KB |
Output is correct |
89 |
Correct |
193 ms |
64840 KB |
Output is correct |
90 |
Correct |
202 ms |
64844 KB |
Output is correct |
91 |
Correct |
200 ms |
64852 KB |
Output is correct |
92 |
Correct |
201 ms |
64852 KB |
Output is correct |
93 |
Correct |
207 ms |
64920 KB |
Output is correct |
94 |
Correct |
221 ms |
64852 KB |
Output is correct |
95 |
Correct |
200 ms |
64844 KB |
Output is correct |
96 |
Correct |
207 ms |
64876 KB |
Output is correct |
97 |
Correct |
217 ms |
64840 KB |
Output is correct |
98 |
Correct |
198 ms |
64848 KB |
Output is correct |
99 |
Correct |
205 ms |
64852 KB |
Output is correct |
100 |
Correct |
200 ms |
64840 KB |
Output is correct |
101 |
Correct |
201 ms |
64848 KB |
Output is correct |
102 |
Correct |
202 ms |
64844 KB |
Output is correct |