#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define INF 10000000
#define MOD 1000000007
#define MID (l+r)/2
#define HASHMOD 2305843009213693951
#define ll long long
#define ull unsigned long long
#define F first
#define S second
typedef pair<ll, ll> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef map<int, int> mii;
#define EPS 1e-6
string a,b;
// operations:
// 0 none
// 1 toggle
// 2 set 0
// 3 toggle + set 0
// 4 set 1
// 5 toggle + set 1
#define Q(w, cost) dp[n][x] = min(dp[n][x], rec(n-1, w)+cost);
int dp[1004000][6];
int rec(int n, int x){
if(n<0) return 0;
if(dp[n][x]!=-MOD) return dp[n][x];
dp[n][x] = MOD;
if(b[n]=='1'){
if(x==2 || x==3){ Q(2,0);}
else{ Q(2,1);}
if(x==5){ Q(5,0);}
else if(x==1 || x==4){ Q(5,1);}
else{ Q(5,2);}
}
else if(b[n]=='0'){
if(x==4 || x==5){ Q(4,0);}
else{ Q(4,1);}
if(x==3){ Q(3,0);}
else if(x==1 || x==2){ Q(3,1);}
else{ Q(3,2);}
}
if(a[n]==b[n]){ Q(0, 0);}
else{
if(x%2==1){ Q(1, 0);}
else{ Q(1, 1);}
}
return dp[n][x];
}
int main(){
int n;
cin>>n;
cin>>a>>b;
for(int i=0;i<n;i++){
for(int j=0;j<6;j++) dp[i][j] = -MOD;
}
cout<<rec(n-1, 0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
256 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
256 KB |
Output is correct |
18 |
Correct |
4 ms |
256 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
256 KB |
Output is correct |
21 |
Correct |
4 ms |
256 KB |
Output is correct |
22 |
Correct |
4 ms |
256 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
256 KB |
Output is correct |
25 |
Correct |
5 ms |
256 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
256 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
256 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
5 ms |
256 KB |
Output is correct |
32 |
Correct |
5 ms |
256 KB |
Output is correct |
33 |
Correct |
4 ms |
256 KB |
Output is correct |
34 |
Correct |
5 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
256 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
256 KB |
Output is correct |
18 |
Correct |
4 ms |
256 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
256 KB |
Output is correct |
21 |
Correct |
4 ms |
256 KB |
Output is correct |
22 |
Correct |
4 ms |
256 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
256 KB |
Output is correct |
25 |
Correct |
5 ms |
256 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
256 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
256 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
5 ms |
256 KB |
Output is correct |
32 |
Correct |
5 ms |
256 KB |
Output is correct |
33 |
Correct |
4 ms |
256 KB |
Output is correct |
34 |
Correct |
5 ms |
256 KB |
Output is correct |
35 |
Correct |
5 ms |
512 KB |
Output is correct |
36 |
Correct |
6 ms |
512 KB |
Output is correct |
37 |
Correct |
5 ms |
512 KB |
Output is correct |
38 |
Correct |
5 ms |
512 KB |
Output is correct |
39 |
Correct |
5 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
5 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
560 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
5 ms |
512 KB |
Output is correct |
47 |
Correct |
5 ms |
512 KB |
Output is correct |
48 |
Correct |
5 ms |
512 KB |
Output is correct |
49 |
Correct |
6 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
512 KB |
Output is correct |
51 |
Correct |
5 ms |
512 KB |
Output is correct |
52 |
Correct |
5 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
512 KB |
Output is correct |
54 |
Correct |
6 ms |
512 KB |
Output is correct |
55 |
Correct |
5 ms |
512 KB |
Output is correct |
56 |
Correct |
5 ms |
512 KB |
Output is correct |
57 |
Correct |
5 ms |
512 KB |
Output is correct |
58 |
Correct |
5 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
6 ms |
384 KB |
Output is correct |
7 |
Correct |
193 ms |
90444 KB |
Output is correct |
8 |
Correct |
186 ms |
90572 KB |
Output is correct |
9 |
Correct |
192 ms |
90468 KB |
Output is correct |
10 |
Correct |
187 ms |
90468 KB |
Output is correct |
11 |
Correct |
184 ms |
90468 KB |
Output is correct |
12 |
Correct |
184 ms |
90444 KB |
Output is correct |
13 |
Correct |
186 ms |
90468 KB |
Output is correct |
14 |
Correct |
197 ms |
90576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
256 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
256 KB |
Output is correct |
18 |
Correct |
4 ms |
256 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
256 KB |
Output is correct |
21 |
Correct |
4 ms |
256 KB |
Output is correct |
22 |
Correct |
4 ms |
256 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
256 KB |
Output is correct |
25 |
Correct |
5 ms |
256 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
256 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
256 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
5 ms |
256 KB |
Output is correct |
32 |
Correct |
5 ms |
256 KB |
Output is correct |
33 |
Correct |
4 ms |
256 KB |
Output is correct |
34 |
Correct |
5 ms |
256 KB |
Output is correct |
35 |
Correct |
5 ms |
512 KB |
Output is correct |
36 |
Correct |
6 ms |
512 KB |
Output is correct |
37 |
Correct |
5 ms |
512 KB |
Output is correct |
38 |
Correct |
5 ms |
512 KB |
Output is correct |
39 |
Correct |
5 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
5 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
560 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
5 ms |
512 KB |
Output is correct |
47 |
Correct |
5 ms |
512 KB |
Output is correct |
48 |
Correct |
5 ms |
512 KB |
Output is correct |
49 |
Correct |
6 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
512 KB |
Output is correct |
51 |
Correct |
5 ms |
512 KB |
Output is correct |
52 |
Correct |
5 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
512 KB |
Output is correct |
54 |
Correct |
6 ms |
512 KB |
Output is correct |
55 |
Correct |
5 ms |
512 KB |
Output is correct |
56 |
Correct |
5 ms |
512 KB |
Output is correct |
57 |
Correct |
5 ms |
512 KB |
Output is correct |
58 |
Correct |
5 ms |
512 KB |
Output is correct |
59 |
Correct |
5 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
256 KB |
Output is correct |
61 |
Correct |
5 ms |
256 KB |
Output is correct |
62 |
Correct |
5 ms |
384 KB |
Output is correct |
63 |
Correct |
5 ms |
256 KB |
Output is correct |
64 |
Correct |
6 ms |
384 KB |
Output is correct |
65 |
Correct |
193 ms |
90444 KB |
Output is correct |
66 |
Correct |
186 ms |
90572 KB |
Output is correct |
67 |
Correct |
192 ms |
90468 KB |
Output is correct |
68 |
Correct |
187 ms |
90468 KB |
Output is correct |
69 |
Correct |
184 ms |
90468 KB |
Output is correct |
70 |
Correct |
184 ms |
90444 KB |
Output is correct |
71 |
Correct |
186 ms |
90468 KB |
Output is correct |
72 |
Correct |
197 ms |
90576 KB |
Output is correct |
73 |
Correct |
201 ms |
90468 KB |
Output is correct |
74 |
Correct |
189 ms |
90604 KB |
Output is correct |
75 |
Correct |
200 ms |
90472 KB |
Output is correct |
76 |
Correct |
190 ms |
90468 KB |
Output is correct |
77 |
Correct |
182 ms |
90468 KB |
Output is correct |
78 |
Correct |
184 ms |
90472 KB |
Output is correct |
79 |
Correct |
185 ms |
90500 KB |
Output is correct |
80 |
Correct |
187 ms |
90472 KB |
Output is correct |
81 |
Correct |
185 ms |
90472 KB |
Output is correct |
82 |
Correct |
185 ms |
90596 KB |
Output is correct |
83 |
Correct |
199 ms |
90504 KB |
Output is correct |
84 |
Correct |
196 ms |
90612 KB |
Output is correct |
85 |
Correct |
197 ms |
90468 KB |
Output is correct |
86 |
Correct |
195 ms |
90600 KB |
Output is correct |
87 |
Correct |
198 ms |
90628 KB |
Output is correct |
88 |
Correct |
194 ms |
90476 KB |
Output is correct |
89 |
Correct |
194 ms |
90604 KB |
Output is correct |
90 |
Correct |
198 ms |
90468 KB |
Output is correct |
91 |
Correct |
198 ms |
90596 KB |
Output is correct |
92 |
Correct |
197 ms |
90468 KB |
Output is correct |
93 |
Correct |
200 ms |
90728 KB |
Output is correct |
94 |
Correct |
198 ms |
90468 KB |
Output is correct |
95 |
Correct |
198 ms |
90596 KB |
Output is correct |
96 |
Correct |
200 ms |
90472 KB |
Output is correct |
97 |
Correct |
198 ms |
90472 KB |
Output is correct |
98 |
Correct |
203 ms |
90596 KB |
Output is correct |
99 |
Correct |
199 ms |
90472 KB |
Output is correct |
100 |
Correct |
198 ms |
90468 KB |
Output is correct |
101 |
Correct |
204 ms |
90524 KB |
Output is correct |
102 |
Correct |
211 ms |
90472 KB |
Output is correct |