Submission #636616

# Submission time Handle Problem Language Result Execution time Memory
636616 2022-08-29T17:04:12 Z aebov Lamps (JOI19_lamps) C++17
100 / 100
90 ms 24016 KB
#include<iostream>
using namespace std;
const int N=(int)1e6+5;

int n;
string s, t;
int A[N],B[N], dp[N][3] , co[3][3]={{0,1,1},{1,0,2},{1,2,0}};

int main()
{
	cin >> n >> s >> t;
	for(int i=1;i<=n;i++)A[i]=s[i-1]-'0';
	for(int i=1;i<=n;i++)B[i]=t[i-1]-'0';
	n++;
	A[n]=B[n]=0;
	dp[1][0]=A[1]^B[1];
	dp[1][1]=(0^B[1])+1;
	dp[1][2]=(1^B[1])+1;
	for(int i=2;i<=n;i++)for(int j=0;j<3;j++)dp[i][j]=2*N;
	for(int i=2;i<=n;i++){
		for(int j=0;j<3;j++){
			for(int k=0;k<3;k++)
			{
				int x,y,prv,nxt;
				x=(j%2==1)?0:((j&2)? 1 : A[i-1]);
				y=(k%2==1)?0:((k&2)? 1 : A[i]);
				prv=x^B[i-1];
				nxt=y^B[i];
				dp[i][k]=min(dp[i][k],dp[i-1][j]+co[j][k]+(prv^nxt));
			}
		}
	}	
	//int ret = min ( dp[n][0], min (dp[n][1] , dp[n][2]));
	cout << dp[n][0] / 2  << endl;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 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 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 308 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 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 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 308 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 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 304 KB Output is correct
40 Correct 1 ms 308 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 308 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 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 312 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 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
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 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 1 ms 212 KB Output is correct
7 Correct 84 ms 23848 KB Output is correct
8 Correct 78 ms 23912 KB Output is correct
9 Correct 90 ms 23804 KB Output is correct
10 Correct 83 ms 23868 KB Output is correct
11 Correct 90 ms 23904 KB Output is correct
12 Correct 84 ms 23872 KB Output is correct
13 Correct 77 ms 23856 KB Output is correct
14 Correct 79 ms 23796 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 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 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 308 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 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 304 KB Output is correct
40 Correct 1 ms 308 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 308 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 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 312 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 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 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 84 ms 23848 KB Output is correct
66 Correct 78 ms 23912 KB Output is correct
67 Correct 90 ms 23804 KB Output is correct
68 Correct 83 ms 23868 KB Output is correct
69 Correct 90 ms 23904 KB Output is correct
70 Correct 84 ms 23872 KB Output is correct
71 Correct 77 ms 23856 KB Output is correct
72 Correct 79 ms 23796 KB Output is correct
73 Correct 77 ms 23912 KB Output is correct
74 Correct 77 ms 23812 KB Output is correct
75 Correct 76 ms 23908 KB Output is correct
76 Correct 75 ms 23884 KB Output is correct
77 Correct 79 ms 23824 KB Output is correct
78 Correct 78 ms 24004 KB Output is correct
79 Correct 76 ms 23848 KB Output is correct
80 Correct 74 ms 23912 KB Output is correct
81 Correct 75 ms 23908 KB Output is correct
82 Correct 75 ms 23904 KB Output is correct
83 Correct 83 ms 23912 KB Output is correct
84 Correct 74 ms 23872 KB Output is correct
85 Correct 75 ms 23856 KB Output is correct
86 Correct 85 ms 23872 KB Output is correct
87 Correct 81 ms 23892 KB Output is correct
88 Correct 74 ms 23908 KB Output is correct
89 Correct 76 ms 23876 KB Output is correct
90 Correct 76 ms 23824 KB Output is correct
91 Correct 79 ms 23836 KB Output is correct
92 Correct 76 ms 23832 KB Output is correct
93 Correct 76 ms 23844 KB Output is correct
94 Correct 76 ms 23908 KB Output is correct
95 Correct 77 ms 23912 KB Output is correct
96 Correct 76 ms 23892 KB Output is correct
97 Correct 76 ms 23908 KB Output is correct
98 Correct 76 ms 23868 KB Output is correct
99 Correct 85 ms 24016 KB Output is correct
100 Correct 73 ms 23916 KB Output is correct
101 Correct 72 ms 23868 KB Output is correct
102 Correct 78 ms 23804 KB Output is correct