Submission #445749

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
445749	2021-07-19T13:05:57 Z	egod1537	Lamps (JOI19_lamps)	C++14	100 / 100	57 ms	2848 KB

lamp

#include <bits/stdc++.h>

using namespace std;

string A, B;
int dp[2][3];

char apply(char a, int y) {
	return (y == 0) ? '0' : (y == 1) ? '1' : a;
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);

	int n; cin >> n;
	cin >> A >> B;

	memset(dp, 0x3f3f3f3f, sizeof(dp));

	dp[0][2] = 0;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < 3; j++) dp[(i + 1) % 2][j] = 0x3f3f3f3f;
		for (int j = 0; j < 3; j++) {
			for (int k = 0; k < 3; k++) {
				int cot = dp[i%2][j];
				if (j != k && k != 2) cot++;
				if ((i == 0 || apply(A[i - 1], j) == B[i - 1]) &&
					apply(A[i], k) != B[i])
					++cot;
				dp[(i+1)%2][k] = min(dp[(i+1)%2][k], cot);
			}
		}
	}

	cout << min({ dp[n%2][0], dp[n%2][1], dp[n%2][2] });

	return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	312 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	312 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	1 ms	204 KB	Output is correct
45	Correct	1 ms	308 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	1 ms	204 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	320 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	204 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	46 ms	2664 KB	Output is correct
8	Correct	44 ms	2664 KB	Output is correct
9	Correct	43 ms	2756 KB	Output is correct
10	Correct	43 ms	2664 KB	Output is correct
11	Correct	43 ms	2664 KB	Output is correct
12	Correct	37 ms	2664 KB	Output is correct
13	Correct	41 ms	2664 KB	Output is correct
14	Correct	41 ms	2664 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	312 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	1 ms	204 KB	Output is correct
45	Correct	1 ms	308 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	1 ms	204 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	320 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	204 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	1 ms	204 KB	Output is correct
60	Correct	0 ms	204 KB	Output is correct
61	Correct	0 ms	204 KB	Output is correct
62	Correct	1 ms	204 KB	Output is correct
63	Correct	0 ms	204 KB	Output is correct
64	Correct	1 ms	204 KB	Output is correct
65	Correct	46 ms	2664 KB	Output is correct
66	Correct	44 ms	2664 KB	Output is correct
67	Correct	43 ms	2756 KB	Output is correct
68	Correct	43 ms	2664 KB	Output is correct
69	Correct	43 ms	2664 KB	Output is correct
70	Correct	37 ms	2664 KB	Output is correct
71	Correct	41 ms	2664 KB	Output is correct
72	Correct	41 ms	2664 KB	Output is correct
73	Correct	55 ms	2792 KB	Output is correct
74	Correct	48 ms	2792 KB	Output is correct
75	Correct	47 ms	2788 KB	Output is correct
76	Correct	38 ms	2792 KB	Output is correct
77	Correct	42 ms	2792 KB	Output is correct
78	Correct	45 ms	2792 KB	Output is correct
79	Correct	44 ms	2792 KB	Output is correct
80	Correct	48 ms	2824 KB	Output is correct
81	Correct	44 ms	2792 KB	Output is correct
82	Correct	41 ms	2792 KB	Output is correct
83	Correct	56 ms	2792 KB	Output is correct
84	Correct	47 ms	2792 KB	Output is correct
85	Correct	46 ms	2792 KB	Output is correct
86	Correct	45 ms	2832 KB	Output is correct
87	Correct	47 ms	2792 KB	Output is correct
88	Correct	45 ms	2792 KB	Output is correct
89	Correct	46 ms	2792 KB	Output is correct
90	Correct	46 ms	2848 KB	Output is correct
91	Correct	50 ms	2792 KB	Output is correct
92	Correct	51 ms	2792 KB	Output is correct
93	Correct	55 ms	2792 KB	Output is correct
94	Correct	57 ms	2792 KB	Output is correct
95	Correct	51 ms	2780 KB	Output is correct
96	Correct	51 ms	2788 KB	Output is correct
97	Correct	51 ms	2792 KB	Output is correct
98	Correct	51 ms	2792 KB	Output is correct
99	Correct	51 ms	2792 KB	Output is correct
100	Correct	53 ms	2792 KB	Output is correct
101	Correct	51 ms	2784 KB	Output is correct
102	Correct	52 ms	2744 KB	Output is correct

Submission #445749

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 4.0 / 4.0

Subtask #4 49.0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
4.0 / 4.0

Subtask #4
49.0 / 49.0