Submission #701675

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
701675	2023-02-21T22:55:14 Z	PenguinsAreCute	Lamps (JOI19_lamps)	C++17	100 / 100	82 ms	51456 KB

lamp

#include <bits/stdc++.h>
using namespace std;
#define int int64_t
int32_t main() {
    int N; cin >> N; string A, B; cin >> A >> B;
    int dp[N][3][2]; // idx, got 0 and got 1, got flip
    if(A[0] == B[0]) dp[0][0][0] = 0;
	else dp[0][0][0] = 1e15;
	if(B[0] == '0') dp[0][1][0] = 1;
	else dp[0][1][0] = 1e15;
	if(B[0] == '1') dp[0][2][0] = 1;
	else dp[0][2][0] = 1e15;
	if(A[0] != B[0]) dp[0][0][1] = 1;
	else dp[0][0][1] = 1e15;
	dp[0][1][1] = 2; dp[0][2][1] = 2;
    for(int i = 1; i < N; i++) {
		int minprev = 1e15;
		for(int j = 0; j < 3; j++) for(int k = 0; k < 2; k++) {
			minprev = min(minprev, dp[i - 1][j][k]);
		}
		if(A[i] == B[i]) dp[i][0][0] = minprev;
		else dp[i][0][0] = 1e15;
		if(B[i] == '0') dp[i][1][0] = min(minprev + 1, min(dp[i - 1][1][0], dp[i - 1][1][1]));
		else dp[i][1][0] = 1e15;
		if(B[i] == '1') dp[i][2][0] = min(minprev + 1, min(dp[i - 1][2][0], dp[i - 1][2][1]));
		else dp[i][2][0] = 1e15;
		if(A[i] != B[i]) dp[i][0][1] = min(minprev + 1, min(dp[i - 1][0][1], min(dp[i - 1][1][1], dp[i - 1][2][1])));
		else dp[i][0][1] = 1e15;
		dp[i][1][1] = min(minprev + 2, min(dp[i - 1][1][0], dp[i - 1][1][1]) + 1);
		dp[i][1][1] = min(dp[i][1][1], min(min(dp[i - 1][0][1], dp[i - 1][1][1]), dp[i - 1][2][1]) + 1);
		if(B[i] == B[i - 1]) {
			dp[i][1][1] = min(dp[i][1][1], dp[i - 1][1][1]);
		}
		dp[i][2][1] = min(minprev + 2, min(dp[i - 1][2][0], dp[i - 1][2][1]) + 1);
		dp[i][2][1] = min(dp[i][2][1], min(min(dp[i - 1][0][1], dp[i - 1][1][1]), dp[i - 1][2][1]) + 1);
		if(B[i] == B[i - 1]) {
			dp[i][2][1] = min(dp[i][2][1], dp[i - 1][2][1]);
		}
		// for(int k = 0; k < 3; k++) for(int j = 0; j < 2; j++) printf("%d %d %d %lld\n", i, k, j, dp[i][k][j]);
	}
	int ans = 1e15;
	for(int i = 0; i < 3; i++) for(int j = 0; j < 2; j++) ans = min(ans, dp[N - 1][i][j]);
	cout << ans;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	296 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	296 KB	Output is correct
33	Correct	0 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	340 KB	Output is correct
40	Correct	1 ms	340 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	300 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	300 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	340 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

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	74 ms	49308 KB	Output is correct
8	Correct	69 ms	49272 KB	Output is correct
9	Correct	77 ms	49560 KB	Output is correct
10	Correct	68 ms	49256 KB	Output is correct
11	Correct	68 ms	49252 KB	Output is correct
12	Correct	69 ms	49340 KB	Output is correct
13	Correct	74 ms	49256 KB	Output is correct
14	Correct	68 ms	49340 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	296 KB	Output is correct
33	Correct	0 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	340 KB	Output is correct
40	Correct	1 ms	340 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	300 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	300 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	340 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	0 ms	212 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	0 ms	212 KB	Output is correct
62	Correct	0 ms	212 KB	Output is correct
63	Correct	0 ms	212 KB	Output is correct
64	Correct	0 ms	212 KB	Output is correct
65	Correct	74 ms	49308 KB	Output is correct
66	Correct	69 ms	49272 KB	Output is correct
67	Correct	77 ms	49560 KB	Output is correct
68	Correct	68 ms	49256 KB	Output is correct
69	Correct	68 ms	49252 KB	Output is correct
70	Correct	69 ms	49340 KB	Output is correct
71	Correct	74 ms	49256 KB	Output is correct
72	Correct	68 ms	49340 KB	Output is correct
73	Correct	75 ms	51404 KB	Output is correct
74	Correct	69 ms	51260 KB	Output is correct
75	Correct	70 ms	51220 KB	Output is correct
76	Correct	69 ms	51180 KB	Output is correct
77	Correct	71 ms	51204 KB	Output is correct
78	Correct	69 ms	51232 KB	Output is correct
79	Correct	68 ms	51296 KB	Output is correct
80	Correct	69 ms	51236 KB	Output is correct
81	Correct	78 ms	51216 KB	Output is correct
82	Correct	69 ms	51268 KB	Output is correct
83	Correct	72 ms	51204 KB	Output is correct
84	Correct	72 ms	51248 KB	Output is correct
85	Correct	72 ms	51276 KB	Output is correct
86	Correct	72 ms	51256 KB	Output is correct
87	Correct	72 ms	51256 KB	Output is correct
88	Correct	72 ms	51176 KB	Output is correct
89	Correct	71 ms	51200 KB	Output is correct
90	Correct	79 ms	51216 KB	Output is correct
91	Correct	75 ms	51300 KB	Output is correct
92	Correct	74 ms	51280 KB	Output is correct
93	Correct	76 ms	51244 KB	Output is correct
94	Correct	75 ms	51296 KB	Output is correct
95	Correct	76 ms	51260 KB	Output is correct
96	Correct	82 ms	51456 KB	Output is correct
97	Correct	76 ms	51304 KB	Output is correct
98	Correct	77 ms	51240 KB	Output is correct
99	Correct	74 ms	51196 KB	Output is correct
100	Correct	75 ms	51296 KB	Output is correct
101	Correct	75 ms	51284 KB	Output is correct
102	Correct	76 ms	51260 KB	Output is correct

Submission #701675

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