#include <bits/stdc++.h>
using namespace std;
const int MX=2e6+5;
int N;
string A,B;
int dp[MX][8];
vector<pair<int,int>> adj[8];
bool can(int k, char s, char t) {
if(s=='#') return true;
assert(t!='#');
int a=s-'0',b=t-'0';
if(k==0) {
return a==b;
}
if(k==1) {
a^=1;
return a==b;
}
if(k==2) {
a=0;
a^=1;
return a==b;
}
if(k==3) {
a^=1;
a=0;
return a==b;
}
if(k==4) {
a=1;
a^=1;
return a==b;
}
if(k==5) {
a^=1;
a=1;
return a==b;
}
if(k==6) {
a=0;
return a==b;
}
if(k==7) {
a=1;
return a==b;
}
assert(0);
return 0;
}
void edge(int u, int v, int w) {
adj[u].push_back({v,w});
}
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
for(int i=0;i<MX;i++) {
for(int j=0;j<8;j++) {
dp[i][j]=1e9;
}
}
edge(0,0,0);
edge(1,1,0);
edge(2,2,0);
edge(3,3,0);
edge(4,4,0);
edge(5,5,0);
edge(6,6,0);
edge(7,7,0);
edge(0,1,1);
edge(0,2,2);
edge(0,3,2);
edge(0,4,2);
edge(0,5,2);
edge(0,6,1);
edge(0,7,1);
edge(1,0,0);
edge(2,0,0);
edge(3,0,0);
edge(4,0,0);
edge(5,0,0);
edge(6,0,0);
edge(7,0,0);
edge(1,2,1);
edge(1,3,1);
edge(1,4,1);
edge(1,5,1);
edge(2,1,0);
edge(3,1,0);
edge(4,1,0);
edge(5,1,0);
edge(6,2,1);
edge(6,3,1);
edge(2,6,0);
edge(3,6,0);
edge(7,4,1);
edge(7,5,1);
edge(4,7,0);
edge(5,7,0);
cin>>N;
cin>>A>>B;
string S="",T="";
for(int i=0;i<N;i++) {
S+=A[i];
S+='#';
}
for(int i=0;i<N;i++) {
T+=B[i];
T+='#';
}
N*=2;
dp[0][0]=0;
for(int i=0;i<N;i++) {
for(int j=0;j<8;j++) {
for(auto [k,w]:adj[j]) {
if(can(k,S[i],T[i])) {
dp[i+1][k]=min(dp[i+1][k],dp[i][j]+w);
}
}
}
}
cout<<dp[N][0]<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
63068 KB |
Output is correct |
2 |
Correct |
13 ms |
63064 KB |
Output is correct |
3 |
Correct |
12 ms |
63080 KB |
Output is correct |
4 |
Correct |
14 ms |
63324 KB |
Output is correct |
5 |
Correct |
14 ms |
63068 KB |
Output is correct |
6 |
Correct |
12 ms |
63064 KB |
Output is correct |
7 |
Correct |
12 ms |
63064 KB |
Output is correct |
8 |
Correct |
12 ms |
62944 KB |
Output is correct |
9 |
Correct |
12 ms |
63068 KB |
Output is correct |
10 |
Correct |
13 ms |
63068 KB |
Output is correct |
11 |
Correct |
13 ms |
63064 KB |
Output is correct |
12 |
Correct |
13 ms |
63064 KB |
Output is correct |
13 |
Correct |
12 ms |
63068 KB |
Output is correct |
14 |
Correct |
12 ms |
63068 KB |
Output is correct |
15 |
Correct |
12 ms |
63068 KB |
Output is correct |
16 |
Correct |
13 ms |
62892 KB |
Output is correct |
17 |
Correct |
12 ms |
62932 KB |
Output is correct |
18 |
Correct |
12 ms |
62896 KB |
Output is correct |
19 |
Correct |
12 ms |
63064 KB |
Output is correct |
20 |
Correct |
12 ms |
63068 KB |
Output is correct |
21 |
Correct |
13 ms |
63068 KB |
Output is correct |
22 |
Correct |
12 ms |
62940 KB |
Output is correct |
23 |
Correct |
12 ms |
63068 KB |
Output is correct |
24 |
Correct |
12 ms |
63080 KB |
Output is correct |
25 |
Correct |
12 ms |
62936 KB |
Output is correct |
26 |
Correct |
12 ms |
63324 KB |
Output is correct |
27 |
Correct |
12 ms |
62932 KB |
Output is correct |
28 |
Correct |
12 ms |
62924 KB |
Output is correct |
29 |
Correct |
13 ms |
62936 KB |
Output is correct |
30 |
Correct |
12 ms |
63068 KB |
Output is correct |
31 |
Correct |
12 ms |
62948 KB |
Output is correct |
32 |
Correct |
14 ms |
63064 KB |
Output is correct |
33 |
Correct |
14 ms |
63068 KB |
Output is correct |
34 |
Correct |
13 ms |
63068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
63068 KB |
Output is correct |
2 |
Correct |
13 ms |
63064 KB |
Output is correct |
3 |
Correct |
12 ms |
63080 KB |
Output is correct |
4 |
Correct |
14 ms |
63324 KB |
Output is correct |
5 |
Correct |
14 ms |
63068 KB |
Output is correct |
6 |
Correct |
12 ms |
63064 KB |
Output is correct |
7 |
Correct |
12 ms |
63064 KB |
Output is correct |
8 |
Correct |
12 ms |
62944 KB |
Output is correct |
9 |
Correct |
12 ms |
63068 KB |
Output is correct |
10 |
Correct |
13 ms |
63068 KB |
Output is correct |
11 |
Correct |
13 ms |
63064 KB |
Output is correct |
12 |
Correct |
13 ms |
63064 KB |
Output is correct |
13 |
Correct |
12 ms |
63068 KB |
Output is correct |
14 |
Correct |
12 ms |
63068 KB |
Output is correct |
15 |
Correct |
12 ms |
63068 KB |
Output is correct |
16 |
Correct |
13 ms |
62892 KB |
Output is correct |
17 |
Correct |
12 ms |
62932 KB |
Output is correct |
18 |
Correct |
12 ms |
62896 KB |
Output is correct |
19 |
Correct |
12 ms |
63064 KB |
Output is correct |
20 |
Correct |
12 ms |
63068 KB |
Output is correct |
21 |
Correct |
13 ms |
63068 KB |
Output is correct |
22 |
Correct |
12 ms |
62940 KB |
Output is correct |
23 |
Correct |
12 ms |
63068 KB |
Output is correct |
24 |
Correct |
12 ms |
63080 KB |
Output is correct |
25 |
Correct |
12 ms |
62936 KB |
Output is correct |
26 |
Correct |
12 ms |
63324 KB |
Output is correct |
27 |
Correct |
12 ms |
62932 KB |
Output is correct |
28 |
Correct |
12 ms |
62924 KB |
Output is correct |
29 |
Correct |
13 ms |
62936 KB |
Output is correct |
30 |
Correct |
12 ms |
63068 KB |
Output is correct |
31 |
Correct |
12 ms |
62948 KB |
Output is correct |
32 |
Correct |
14 ms |
63064 KB |
Output is correct |
33 |
Correct |
14 ms |
63068 KB |
Output is correct |
34 |
Correct |
13 ms |
63068 KB |
Output is correct |
35 |
Correct |
13 ms |
63068 KB |
Output is correct |
36 |
Correct |
13 ms |
63064 KB |
Output is correct |
37 |
Correct |
13 ms |
63068 KB |
Output is correct |
38 |
Correct |
13 ms |
62876 KB |
Output is correct |
39 |
Correct |
14 ms |
63068 KB |
Output is correct |
40 |
Correct |
14 ms |
63068 KB |
Output is correct |
41 |
Correct |
13 ms |
63068 KB |
Output is correct |
42 |
Correct |
13 ms |
63068 KB |
Output is correct |
43 |
Correct |
13 ms |
62876 KB |
Output is correct |
44 |
Correct |
13 ms |
63068 KB |
Output is correct |
45 |
Correct |
13 ms |
62888 KB |
Output is correct |
46 |
Correct |
13 ms |
63068 KB |
Output is correct |
47 |
Correct |
14 ms |
63068 KB |
Output is correct |
48 |
Correct |
14 ms |
63068 KB |
Output is correct |
49 |
Correct |
13 ms |
62888 KB |
Output is correct |
50 |
Correct |
13 ms |
63068 KB |
Output is correct |
51 |
Correct |
13 ms |
63068 KB |
Output is correct |
52 |
Correct |
14 ms |
63068 KB |
Output is correct |
53 |
Correct |
13 ms |
62960 KB |
Output is correct |
54 |
Correct |
13 ms |
63064 KB |
Output is correct |
55 |
Correct |
14 ms |
63068 KB |
Output is correct |
56 |
Correct |
13 ms |
62948 KB |
Output is correct |
57 |
Correct |
13 ms |
63076 KB |
Output is correct |
58 |
Correct |
13 ms |
62900 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
63068 KB |
Output is correct |
2 |
Correct |
13 ms |
62848 KB |
Output is correct |
3 |
Correct |
12 ms |
63068 KB |
Output is correct |
4 |
Correct |
12 ms |
63084 KB |
Output is correct |
5 |
Correct |
13 ms |
63232 KB |
Output is correct |
6 |
Correct |
12 ms |
63068 KB |
Output is correct |
7 |
Correct |
331 ms |
76576 KB |
Output is correct |
8 |
Correct |
345 ms |
74816 KB |
Output is correct |
9 |
Correct |
344 ms |
77860 KB |
Output is correct |
10 |
Correct |
348 ms |
77344 KB |
Output is correct |
11 |
Correct |
344 ms |
75480 KB |
Output is correct |
12 |
Correct |
336 ms |
76424 KB |
Output is correct |
13 |
Correct |
338 ms |
77604 KB |
Output is correct |
14 |
Correct |
338 ms |
76320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
63068 KB |
Output is correct |
2 |
Correct |
13 ms |
63064 KB |
Output is correct |
3 |
Correct |
12 ms |
63080 KB |
Output is correct |
4 |
Correct |
14 ms |
63324 KB |
Output is correct |
5 |
Correct |
14 ms |
63068 KB |
Output is correct |
6 |
Correct |
12 ms |
63064 KB |
Output is correct |
7 |
Correct |
12 ms |
63064 KB |
Output is correct |
8 |
Correct |
12 ms |
62944 KB |
Output is correct |
9 |
Correct |
12 ms |
63068 KB |
Output is correct |
10 |
Correct |
13 ms |
63068 KB |
Output is correct |
11 |
Correct |
13 ms |
63064 KB |
Output is correct |
12 |
Correct |
13 ms |
63064 KB |
Output is correct |
13 |
Correct |
12 ms |
63068 KB |
Output is correct |
14 |
Correct |
12 ms |
63068 KB |
Output is correct |
15 |
Correct |
12 ms |
63068 KB |
Output is correct |
16 |
Correct |
13 ms |
62892 KB |
Output is correct |
17 |
Correct |
12 ms |
62932 KB |
Output is correct |
18 |
Correct |
12 ms |
62896 KB |
Output is correct |
19 |
Correct |
12 ms |
63064 KB |
Output is correct |
20 |
Correct |
12 ms |
63068 KB |
Output is correct |
21 |
Correct |
13 ms |
63068 KB |
Output is correct |
22 |
Correct |
12 ms |
62940 KB |
Output is correct |
23 |
Correct |
12 ms |
63068 KB |
Output is correct |
24 |
Correct |
12 ms |
63080 KB |
Output is correct |
25 |
Correct |
12 ms |
62936 KB |
Output is correct |
26 |
Correct |
12 ms |
63324 KB |
Output is correct |
27 |
Correct |
12 ms |
62932 KB |
Output is correct |
28 |
Correct |
12 ms |
62924 KB |
Output is correct |
29 |
Correct |
13 ms |
62936 KB |
Output is correct |
30 |
Correct |
12 ms |
63068 KB |
Output is correct |
31 |
Correct |
12 ms |
62948 KB |
Output is correct |
32 |
Correct |
14 ms |
63064 KB |
Output is correct |
33 |
Correct |
14 ms |
63068 KB |
Output is correct |
34 |
Correct |
13 ms |
63068 KB |
Output is correct |
35 |
Correct |
13 ms |
63068 KB |
Output is correct |
36 |
Correct |
13 ms |
63064 KB |
Output is correct |
37 |
Correct |
13 ms |
63068 KB |
Output is correct |
38 |
Correct |
13 ms |
62876 KB |
Output is correct |
39 |
Correct |
14 ms |
63068 KB |
Output is correct |
40 |
Correct |
14 ms |
63068 KB |
Output is correct |
41 |
Correct |
13 ms |
63068 KB |
Output is correct |
42 |
Correct |
13 ms |
63068 KB |
Output is correct |
43 |
Correct |
13 ms |
62876 KB |
Output is correct |
44 |
Correct |
13 ms |
63068 KB |
Output is correct |
45 |
Correct |
13 ms |
62888 KB |
Output is correct |
46 |
Correct |
13 ms |
63068 KB |
Output is correct |
47 |
Correct |
14 ms |
63068 KB |
Output is correct |
48 |
Correct |
14 ms |
63068 KB |
Output is correct |
49 |
Correct |
13 ms |
62888 KB |
Output is correct |
50 |
Correct |
13 ms |
63068 KB |
Output is correct |
51 |
Correct |
13 ms |
63068 KB |
Output is correct |
52 |
Correct |
14 ms |
63068 KB |
Output is correct |
53 |
Correct |
13 ms |
62960 KB |
Output is correct |
54 |
Correct |
13 ms |
63064 KB |
Output is correct |
55 |
Correct |
14 ms |
63068 KB |
Output is correct |
56 |
Correct |
13 ms |
62948 KB |
Output is correct |
57 |
Correct |
13 ms |
63076 KB |
Output is correct |
58 |
Correct |
13 ms |
62900 KB |
Output is correct |
59 |
Correct |
13 ms |
63068 KB |
Output is correct |
60 |
Correct |
13 ms |
62848 KB |
Output is correct |
61 |
Correct |
12 ms |
63068 KB |
Output is correct |
62 |
Correct |
12 ms |
63084 KB |
Output is correct |
63 |
Correct |
13 ms |
63232 KB |
Output is correct |
64 |
Correct |
12 ms |
63068 KB |
Output is correct |
65 |
Correct |
331 ms |
76576 KB |
Output is correct |
66 |
Correct |
345 ms |
74816 KB |
Output is correct |
67 |
Correct |
344 ms |
77860 KB |
Output is correct |
68 |
Correct |
348 ms |
77344 KB |
Output is correct |
69 |
Correct |
344 ms |
75480 KB |
Output is correct |
70 |
Correct |
336 ms |
76424 KB |
Output is correct |
71 |
Correct |
338 ms |
77604 KB |
Output is correct |
72 |
Correct |
338 ms |
76320 KB |
Output is correct |
73 |
Correct |
343 ms |
76324 KB |
Output is correct |
74 |
Correct |
349 ms |
76404 KB |
Output is correct |
75 |
Correct |
348 ms |
76336 KB |
Output is correct |
76 |
Correct |
347 ms |
75680 KB |
Output is correct |
77 |
Correct |
346 ms |
77732 KB |
Output is correct |
78 |
Correct |
354 ms |
76356 KB |
Output is correct |
79 |
Correct |
337 ms |
74748 KB |
Output is correct |
80 |
Correct |
350 ms |
76320 KB |
Output is correct |
81 |
Correct |
344 ms |
76320 KB |
Output is correct |
82 |
Correct |
360 ms |
77084 KB |
Output is correct |
83 |
Correct |
344 ms |
74740 KB |
Output is correct |
84 |
Correct |
344 ms |
76324 KB |
Output is correct |
85 |
Correct |
351 ms |
77960 KB |
Output is correct |
86 |
Correct |
344 ms |
76072 KB |
Output is correct |
87 |
Correct |
387 ms |
75300 KB |
Output is correct |
88 |
Correct |
348 ms |
77140 KB |
Output is correct |
89 |
Correct |
352 ms |
77348 KB |
Output is correct |
90 |
Correct |
349 ms |
74848 KB |
Output is correct |
91 |
Correct |
360 ms |
76604 KB |
Output is correct |
92 |
Correct |
355 ms |
75492 KB |
Output is correct |
93 |
Correct |
357 ms |
76296 KB |
Output is correct |
94 |
Correct |
356 ms |
75976 KB |
Output is correct |
95 |
Correct |
362 ms |
76272 KB |
Output is correct |
96 |
Correct |
360 ms |
76616 KB |
Output is correct |
97 |
Correct |
373 ms |
76680 KB |
Output is correct |
98 |
Correct |
349 ms |
75052 KB |
Output is correct |
99 |
Correct |
366 ms |
75700 KB |
Output is correct |
100 |
Correct |
348 ms |
75332 KB |
Output is correct |
101 |
Correct |
360 ms |
76444 KB |
Output is correct |
102 |
Correct |
349 ms |
76188 KB |
Output is correct |