Submission #755154

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
755154	2023-06-09T12:51:57 Z	Dan4Life	Lamps (JOI19_lamps)	C++17	47 / 100	9 ms	7884 KB

lamp

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define all(a) begin(a),end(a)

const int mxN = (int)2e5+10;

string s, ss;
int n, a[mxN], b[mxN], dp[mxN][3];

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n >> s >> ss; int ans = mxN;
	for(int i = 0; i < n; i++) 
		a[i+1] = s[i]=='1', b[i+1] = ss[i]=='1';
	memset(dp,63,sizeof(dp)); dp[0][2] = 0;
	for(int i = 1; i <= n; i++){
		for(int j = 0; j < 3; j++){
			bool eq = ((j==2 and a[i]==b[i]) or j==b[i]);
			dp[i][j] = min(dp[i][j], dp[i-1][0]+!b[i-1]*!eq+(j==1));
			dp[i][j] = min(dp[i][j], dp[i-1][1]+b[i-1]*!eq+(j==0));
			dp[i][j] = min(dp[i][j], dp[i-1][2]+!eq*(a[i-1]==b[i-1])+(j!=2));
			if(i==n) ans = min(ans, dp[i][j]);
		}
	}
	cout << ans;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2644 KB	Output is correct
18	Correct	2 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	2 ms	2636 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	2 ms	2644 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Correct	2 ms	2644 KB	Output is correct
28	Correct	2 ms	2632 KB	Output is correct
29	Correct	1 ms	2644 KB	Output is correct
30	Correct	1 ms	2632 KB	Output is correct
31	Correct	2 ms	2644 KB	Output is correct
32	Correct	2 ms	2644 KB	Output is correct
33	Correct	2 ms	2644 KB	Output is correct
34	Correct	2 ms	2644 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2644 KB	Output is correct
18	Correct	2 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	2 ms	2636 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	2 ms	2644 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Correct	2 ms	2644 KB	Output is correct
28	Correct	2 ms	2632 KB	Output is correct
29	Correct	1 ms	2644 KB	Output is correct
30	Correct	1 ms	2632 KB	Output is correct
31	Correct	2 ms	2644 KB	Output is correct
32	Correct	2 ms	2644 KB	Output is correct
33	Correct	2 ms	2644 KB	Output is correct
34	Correct	2 ms	2644 KB	Output is correct
35	Correct	2 ms	2644 KB	Output is correct
36	Correct	2 ms	2644 KB	Output is correct
37	Correct	2 ms	2632 KB	Output is correct
38	Correct	2 ms	2644 KB	Output is correct
39	Correct	1 ms	2644 KB	Output is correct
40	Correct	2 ms	2644 KB	Output is correct
41	Correct	2 ms	2644 KB	Output is correct
42	Correct	2 ms	2704 KB	Output is correct
43	Correct	2 ms	2644 KB	Output is correct
44	Correct	2 ms	2644 KB	Output is correct
45	Correct	2 ms	2644 KB	Output is correct
46	Correct	2 ms	2632 KB	Output is correct
47	Correct	2 ms	2644 KB	Output is correct
48	Correct	2 ms	2644 KB	Output is correct
49	Correct	2 ms	2644 KB	Output is correct
50	Correct	2 ms	2636 KB	Output is correct
51	Correct	2 ms	2644 KB	Output is correct
52	Correct	2 ms	2644 KB	Output is correct
53	Correct	2 ms	2644 KB	Output is correct
54	Correct	2 ms	2600 KB	Output is correct
55	Correct	2 ms	2644 KB	Output is correct
56	Correct	2 ms	2644 KB	Output is correct
57	Correct	2 ms	2656 KB	Output is correct
58	Correct	2 ms	2644 KB	Output is correct

Subtask #3
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Runtime error	9 ms	7884 KB	Execution killed with signal 11
8	Halted	0 ms	0 KB	-

Subtask #4
0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2644 KB	Output is correct
18	Correct	2 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	2 ms	2636 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	2 ms	2644 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Correct	2 ms	2644 KB	Output is correct
28	Correct	2 ms	2632 KB	Output is correct
29	Correct	1 ms	2644 KB	Output is correct
30	Correct	1 ms	2632 KB	Output is correct
31	Correct	2 ms	2644 KB	Output is correct
32	Correct	2 ms	2644 KB	Output is correct
33	Correct	2 ms	2644 KB	Output is correct
34	Correct	2 ms	2644 KB	Output is correct
35	Correct	2 ms	2644 KB	Output is correct
36	Correct	2 ms	2644 KB	Output is correct
37	Correct	2 ms	2632 KB	Output is correct
38	Correct	2 ms	2644 KB	Output is correct
39	Correct	1 ms	2644 KB	Output is correct
40	Correct	2 ms	2644 KB	Output is correct
41	Correct	2 ms	2644 KB	Output is correct
42	Correct	2 ms	2704 KB	Output is correct
43	Correct	2 ms	2644 KB	Output is correct
44	Correct	2 ms	2644 KB	Output is correct
45	Correct	2 ms	2644 KB	Output is correct
46	Correct	2 ms	2632 KB	Output is correct
47	Correct	2 ms	2644 KB	Output is correct
48	Correct	2 ms	2644 KB	Output is correct
49	Correct	2 ms	2644 KB	Output is correct
50	Correct	2 ms	2636 KB	Output is correct
51	Correct	2 ms	2644 KB	Output is correct
52	Correct	2 ms	2644 KB	Output is correct
53	Correct	2 ms	2644 KB	Output is correct
54	Correct	2 ms	2600 KB	Output is correct
55	Correct	2 ms	2644 KB	Output is correct
56	Correct	2 ms	2644 KB	Output is correct
57	Correct	2 ms	2656 KB	Output is correct
58	Correct	2 ms	2644 KB	Output is correct
59	Correct	2 ms	2644 KB	Output is correct
60	Correct	2 ms	2644 KB	Output is correct
61	Correct	2 ms	2644 KB	Output is correct
62	Correct	2 ms	2644 KB	Output is correct
63	Correct	2 ms	2644 KB	Output is correct
64	Correct	1 ms	2644 KB	Output is correct
65	Runtime error	9 ms	7884 KB	Execution killed with signal 11
66	Halted	0 ms	0 KB	-

Submission #755154

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 0 / 4.0

Subtask #4 0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
0 / 4.0

Subtask #4
0 / 49.0