#include <bits/stdc++.h>
using namespace std;
int N, A[1010101], B[1010101], C[1010101][3], D[1010101][3];
int SetCost(int idx, int prv, int now){ return now != 2 && prv != now; }
int FlipCost(int idx, int prv, int now){ return C[idx-1][prv] == 0 && C[idx][now] == 1; }
int main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr);
cin >> N;
for(int i=1; i<=N; i++){ char c; cin >> c; A[i] = c - '0'; }
for(int i=1; i<=N; i++){ char c; cin >> c; B[i] = c - '0'; }
for(int i=1; i<=N; i++) C[i][0] = B[i] != 0, C[i][1] = B[i] != 1, C[i][2] = A[i] != B[i];
memset(D, 0x3f, sizeof D);
D[1][0] = 1 + C[1][0]; D[1][1] = 1 + C[1][1]; D[1][2] = C[1][2];
for(int i=2; i<=N; i++){
for(int now=0; now<3; now++) for(int prv=0; prv<3; prv++) D[i][now] = min(D[i][now], D[i-1][prv] + SetCost(i, prv, now) + FlipCost(i, prv, now));
}
cout << *min_element(D[N], D[N]+3);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
12108 KB |
Output is correct |
2 |
Correct |
5 ms |
12104 KB |
Output is correct |
3 |
Correct |
5 ms |
12116 KB |
Output is correct |
4 |
Correct |
6 ms |
12108 KB |
Output is correct |
5 |
Correct |
5 ms |
12116 KB |
Output is correct |
6 |
Correct |
5 ms |
12204 KB |
Output is correct |
7 |
Correct |
5 ms |
12116 KB |
Output is correct |
8 |
Correct |
5 ms |
12108 KB |
Output is correct |
9 |
Correct |
5 ms |
12116 KB |
Output is correct |
10 |
Correct |
5 ms |
12116 KB |
Output is correct |
11 |
Correct |
5 ms |
12116 KB |
Output is correct |
12 |
Correct |
5 ms |
12108 KB |
Output is correct |
13 |
Correct |
5 ms |
12116 KB |
Output is correct |
14 |
Correct |
5 ms |
12116 KB |
Output is correct |
15 |
Correct |
6 ms |
12116 KB |
Output is correct |
16 |
Correct |
5 ms |
12116 KB |
Output is correct |
17 |
Correct |
5 ms |
12100 KB |
Output is correct |
18 |
Correct |
5 ms |
12116 KB |
Output is correct |
19 |
Correct |
5 ms |
12116 KB |
Output is correct |
20 |
Correct |
5 ms |
12116 KB |
Output is correct |
21 |
Correct |
5 ms |
12116 KB |
Output is correct |
22 |
Correct |
6 ms |
12208 KB |
Output is correct |
23 |
Correct |
5 ms |
12116 KB |
Output is correct |
24 |
Correct |
6 ms |
12116 KB |
Output is correct |
25 |
Correct |
5 ms |
12116 KB |
Output is correct |
26 |
Correct |
5 ms |
12108 KB |
Output is correct |
27 |
Correct |
5 ms |
12116 KB |
Output is correct |
28 |
Correct |
5 ms |
12108 KB |
Output is correct |
29 |
Correct |
5 ms |
12128 KB |
Output is correct |
30 |
Correct |
5 ms |
12116 KB |
Output is correct |
31 |
Correct |
6 ms |
12244 KB |
Output is correct |
32 |
Correct |
6 ms |
12116 KB |
Output is correct |
33 |
Correct |
5 ms |
12116 KB |
Output is correct |
34 |
Correct |
5 ms |
12116 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
12108 KB |
Output is correct |
2 |
Correct |
5 ms |
12104 KB |
Output is correct |
3 |
Correct |
5 ms |
12116 KB |
Output is correct |
4 |
Correct |
6 ms |
12108 KB |
Output is correct |
5 |
Correct |
5 ms |
12116 KB |
Output is correct |
6 |
Correct |
5 ms |
12204 KB |
Output is correct |
7 |
Correct |
5 ms |
12116 KB |
Output is correct |
8 |
Correct |
5 ms |
12108 KB |
Output is correct |
9 |
Correct |
5 ms |
12116 KB |
Output is correct |
10 |
Correct |
5 ms |
12116 KB |
Output is correct |
11 |
Correct |
5 ms |
12116 KB |
Output is correct |
12 |
Correct |
5 ms |
12108 KB |
Output is correct |
13 |
Correct |
5 ms |
12116 KB |
Output is correct |
14 |
Correct |
5 ms |
12116 KB |
Output is correct |
15 |
Correct |
6 ms |
12116 KB |
Output is correct |
16 |
Correct |
5 ms |
12116 KB |
Output is correct |
17 |
Correct |
5 ms |
12100 KB |
Output is correct |
18 |
Correct |
5 ms |
12116 KB |
Output is correct |
19 |
Correct |
5 ms |
12116 KB |
Output is correct |
20 |
Correct |
5 ms |
12116 KB |
Output is correct |
21 |
Correct |
5 ms |
12116 KB |
Output is correct |
22 |
Correct |
6 ms |
12208 KB |
Output is correct |
23 |
Correct |
5 ms |
12116 KB |
Output is correct |
24 |
Correct |
6 ms |
12116 KB |
Output is correct |
25 |
Correct |
5 ms |
12116 KB |
Output is correct |
26 |
Correct |
5 ms |
12108 KB |
Output is correct |
27 |
Correct |
5 ms |
12116 KB |
Output is correct |
28 |
Correct |
5 ms |
12108 KB |
Output is correct |
29 |
Correct |
5 ms |
12128 KB |
Output is correct |
30 |
Correct |
5 ms |
12116 KB |
Output is correct |
31 |
Correct |
6 ms |
12244 KB |
Output is correct |
32 |
Correct |
6 ms |
12116 KB |
Output is correct |
33 |
Correct |
5 ms |
12116 KB |
Output is correct |
34 |
Correct |
5 ms |
12116 KB |
Output is correct |
35 |
Correct |
5 ms |
12244 KB |
Output is correct |
36 |
Correct |
5 ms |
12244 KB |
Output is correct |
37 |
Correct |
5 ms |
12236 KB |
Output is correct |
38 |
Correct |
6 ms |
12244 KB |
Output is correct |
39 |
Correct |
5 ms |
12180 KB |
Output is correct |
40 |
Correct |
5 ms |
12244 KB |
Output is correct |
41 |
Correct |
5 ms |
12244 KB |
Output is correct |
42 |
Correct |
5 ms |
12244 KB |
Output is correct |
43 |
Correct |
5 ms |
12244 KB |
Output is correct |
44 |
Correct |
6 ms |
12244 KB |
Output is correct |
45 |
Correct |
6 ms |
12244 KB |
Output is correct |
46 |
Correct |
5 ms |
12240 KB |
Output is correct |
47 |
Correct |
6 ms |
12256 KB |
Output is correct |
48 |
Correct |
5 ms |
12244 KB |
Output is correct |
49 |
Correct |
5 ms |
12244 KB |
Output is correct |
50 |
Correct |
5 ms |
12132 KB |
Output is correct |
51 |
Correct |
5 ms |
12244 KB |
Output is correct |
52 |
Correct |
5 ms |
12236 KB |
Output is correct |
53 |
Correct |
5 ms |
12244 KB |
Output is correct |
54 |
Correct |
5 ms |
12236 KB |
Output is correct |
55 |
Correct |
5 ms |
12244 KB |
Output is correct |
56 |
Correct |
5 ms |
12244 KB |
Output is correct |
57 |
Correct |
5 ms |
12244 KB |
Output is correct |
58 |
Correct |
7 ms |
12240 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
12104 KB |
Output is correct |
2 |
Correct |
5 ms |
12116 KB |
Output is correct |
3 |
Correct |
5 ms |
12116 KB |
Output is correct |
4 |
Correct |
5 ms |
12116 KB |
Output is correct |
5 |
Correct |
5 ms |
12116 KB |
Output is correct |
6 |
Correct |
5 ms |
12116 KB |
Output is correct |
7 |
Correct |
53 ms |
33680 KB |
Output is correct |
8 |
Correct |
54 ms |
33696 KB |
Output is correct |
9 |
Correct |
55 ms |
33612 KB |
Output is correct |
10 |
Correct |
54 ms |
33620 KB |
Output is correct |
11 |
Correct |
62 ms |
33696 KB |
Output is correct |
12 |
Correct |
54 ms |
33608 KB |
Output is correct |
13 |
Correct |
54 ms |
33684 KB |
Output is correct |
14 |
Correct |
51 ms |
33692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
12108 KB |
Output is correct |
2 |
Correct |
5 ms |
12104 KB |
Output is correct |
3 |
Correct |
5 ms |
12116 KB |
Output is correct |
4 |
Correct |
6 ms |
12108 KB |
Output is correct |
5 |
Correct |
5 ms |
12116 KB |
Output is correct |
6 |
Correct |
5 ms |
12204 KB |
Output is correct |
7 |
Correct |
5 ms |
12116 KB |
Output is correct |
8 |
Correct |
5 ms |
12108 KB |
Output is correct |
9 |
Correct |
5 ms |
12116 KB |
Output is correct |
10 |
Correct |
5 ms |
12116 KB |
Output is correct |
11 |
Correct |
5 ms |
12116 KB |
Output is correct |
12 |
Correct |
5 ms |
12108 KB |
Output is correct |
13 |
Correct |
5 ms |
12116 KB |
Output is correct |
14 |
Correct |
5 ms |
12116 KB |
Output is correct |
15 |
Correct |
6 ms |
12116 KB |
Output is correct |
16 |
Correct |
5 ms |
12116 KB |
Output is correct |
17 |
Correct |
5 ms |
12100 KB |
Output is correct |
18 |
Correct |
5 ms |
12116 KB |
Output is correct |
19 |
Correct |
5 ms |
12116 KB |
Output is correct |
20 |
Correct |
5 ms |
12116 KB |
Output is correct |
21 |
Correct |
5 ms |
12116 KB |
Output is correct |
22 |
Correct |
6 ms |
12208 KB |
Output is correct |
23 |
Correct |
5 ms |
12116 KB |
Output is correct |
24 |
Correct |
6 ms |
12116 KB |
Output is correct |
25 |
Correct |
5 ms |
12116 KB |
Output is correct |
26 |
Correct |
5 ms |
12108 KB |
Output is correct |
27 |
Correct |
5 ms |
12116 KB |
Output is correct |
28 |
Correct |
5 ms |
12108 KB |
Output is correct |
29 |
Correct |
5 ms |
12128 KB |
Output is correct |
30 |
Correct |
5 ms |
12116 KB |
Output is correct |
31 |
Correct |
6 ms |
12244 KB |
Output is correct |
32 |
Correct |
6 ms |
12116 KB |
Output is correct |
33 |
Correct |
5 ms |
12116 KB |
Output is correct |
34 |
Correct |
5 ms |
12116 KB |
Output is correct |
35 |
Correct |
5 ms |
12244 KB |
Output is correct |
36 |
Correct |
5 ms |
12244 KB |
Output is correct |
37 |
Correct |
5 ms |
12236 KB |
Output is correct |
38 |
Correct |
6 ms |
12244 KB |
Output is correct |
39 |
Correct |
5 ms |
12180 KB |
Output is correct |
40 |
Correct |
5 ms |
12244 KB |
Output is correct |
41 |
Correct |
5 ms |
12244 KB |
Output is correct |
42 |
Correct |
5 ms |
12244 KB |
Output is correct |
43 |
Correct |
5 ms |
12244 KB |
Output is correct |
44 |
Correct |
6 ms |
12244 KB |
Output is correct |
45 |
Correct |
6 ms |
12244 KB |
Output is correct |
46 |
Correct |
5 ms |
12240 KB |
Output is correct |
47 |
Correct |
6 ms |
12256 KB |
Output is correct |
48 |
Correct |
5 ms |
12244 KB |
Output is correct |
49 |
Correct |
5 ms |
12244 KB |
Output is correct |
50 |
Correct |
5 ms |
12132 KB |
Output is correct |
51 |
Correct |
5 ms |
12244 KB |
Output is correct |
52 |
Correct |
5 ms |
12236 KB |
Output is correct |
53 |
Correct |
5 ms |
12244 KB |
Output is correct |
54 |
Correct |
5 ms |
12236 KB |
Output is correct |
55 |
Correct |
5 ms |
12244 KB |
Output is correct |
56 |
Correct |
5 ms |
12244 KB |
Output is correct |
57 |
Correct |
5 ms |
12244 KB |
Output is correct |
58 |
Correct |
7 ms |
12240 KB |
Output is correct |
59 |
Correct |
5 ms |
12104 KB |
Output is correct |
60 |
Correct |
5 ms |
12116 KB |
Output is correct |
61 |
Correct |
5 ms |
12116 KB |
Output is correct |
62 |
Correct |
5 ms |
12116 KB |
Output is correct |
63 |
Correct |
5 ms |
12116 KB |
Output is correct |
64 |
Correct |
5 ms |
12116 KB |
Output is correct |
65 |
Correct |
53 ms |
33680 KB |
Output is correct |
66 |
Correct |
54 ms |
33696 KB |
Output is correct |
67 |
Correct |
55 ms |
33612 KB |
Output is correct |
68 |
Correct |
54 ms |
33620 KB |
Output is correct |
69 |
Correct |
62 ms |
33696 KB |
Output is correct |
70 |
Correct |
54 ms |
33608 KB |
Output is correct |
71 |
Correct |
54 ms |
33684 KB |
Output is correct |
72 |
Correct |
51 ms |
33692 KB |
Output is correct |
73 |
Correct |
56 ms |
33640 KB |
Output is correct |
74 |
Correct |
53 ms |
33704 KB |
Output is correct |
75 |
Correct |
51 ms |
33644 KB |
Output is correct |
76 |
Correct |
54 ms |
33720 KB |
Output is correct |
77 |
Correct |
52 ms |
33648 KB |
Output is correct |
78 |
Correct |
54 ms |
33616 KB |
Output is correct |
79 |
Correct |
51 ms |
33700 KB |
Output is correct |
80 |
Correct |
52 ms |
33620 KB |
Output is correct |
81 |
Correct |
53 ms |
33632 KB |
Output is correct |
82 |
Correct |
54 ms |
33616 KB |
Output is correct |
83 |
Correct |
60 ms |
33612 KB |
Output is correct |
84 |
Correct |
59 ms |
33704 KB |
Output is correct |
85 |
Correct |
55 ms |
33632 KB |
Output is correct |
86 |
Correct |
56 ms |
33716 KB |
Output is correct |
87 |
Correct |
55 ms |
33592 KB |
Output is correct |
88 |
Correct |
56 ms |
33636 KB |
Output is correct |
89 |
Correct |
59 ms |
33696 KB |
Output is correct |
90 |
Correct |
58 ms |
33616 KB |
Output is correct |
91 |
Correct |
58 ms |
33648 KB |
Output is correct |
92 |
Correct |
58 ms |
33636 KB |
Output is correct |
93 |
Correct |
59 ms |
33716 KB |
Output is correct |
94 |
Correct |
62 ms |
33656 KB |
Output is correct |
95 |
Correct |
59 ms |
33704 KB |
Output is correct |
96 |
Correct |
59 ms |
33648 KB |
Output is correct |
97 |
Correct |
59 ms |
33680 KB |
Output is correct |
98 |
Correct |
61 ms |
33712 KB |
Output is correct |
99 |
Correct |
62 ms |
33604 KB |
Output is correct |
100 |
Correct |
68 ms |
33728 KB |
Output is correct |
101 |
Correct |
60 ms |
33632 KB |
Output is correct |
102 |
Correct |
60 ms |
33664 KB |
Output is correct |