답안 #204071

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
204071	2020-02-24T07:32:31 Z	ics0503	Lamps (JOI19_lamps)	C++17	100 / 100	68 ms	16120 KB

lamp

#include<stdio.h>
int D[1212121][3];
char a[1212121], b[1212121];
int min(int a, int b) { if (a < b)return a; return b; }
int get(char a, int tp) {
	if (tp == 0)return '0';
	if (tp == 1)return '1';
	return a;
}
int main() {
	int n; scanf("%d%s%s", &n, a + 1, b + 1);
	int i, j, k;
	D[0][0] = D[0][1] = 1e9; D[0][2] = 0;
	for (i = 1; i <= n; i++) {
		for (j = 0; j < 3; j++) {
			D[i][j] = 1e9;
			for (k = 0; k < 3; k++) {
				D[i][j] = min(D[i][j], D[i - 1][k] 
					+ (j != 2 && j != k)
					+ ((i==1 || get(a[i - 1], k) == b[i - 1]) && get(a[i], j) != b[i]));
			}
		}
	}
	int ans = 1e9;
	for (i = 0; i < 3; i++)ans = min(ans, D[n][i]);
	printf("%d", ans);
	return 0;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n; scanf("%d%s%s", &n, a + 1, b + 1);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	128 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	4 ms	256 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	504 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	4 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	4 ms	376 KB	Output is correct
19	Correct	5 ms	256 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	4 ms	256 KB	Output is correct
22	Correct	5 ms	256 KB	Output is correct
23	Correct	5 ms	256 KB	Output is correct
24	Correct	4 ms	256 KB	Output is correct
25	Correct	5 ms	256 KB	Output is correct
26	Correct	4 ms	256 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	256 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	5 ms	256 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	4 ms	256 KB	Output is correct
33	Correct	5 ms	256 KB	Output is correct
34	Correct	5 ms	256 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	128 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	4 ms	256 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	504 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	4 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	4 ms	376 KB	Output is correct
19	Correct	5 ms	256 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	4 ms	256 KB	Output is correct
22	Correct	5 ms	256 KB	Output is correct
23	Correct	5 ms	256 KB	Output is correct
24	Correct	4 ms	256 KB	Output is correct
25	Correct	5 ms	256 KB	Output is correct
26	Correct	4 ms	256 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	256 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	5 ms	256 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	4 ms	256 KB	Output is correct
33	Correct	5 ms	256 KB	Output is correct
34	Correct	5 ms	256 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	5 ms	376 KB	Output is correct
37	Correct	5 ms	376 KB	Output is correct
38	Correct	5 ms	376 KB	Output is correct
39	Correct	5 ms	376 KB	Output is correct
40	Correct	5 ms	376 KB	Output is correct
41	Correct	5 ms	376 KB	Output is correct
42	Correct	5 ms	376 KB	Output is correct
43	Correct	5 ms	380 KB	Output is correct
44	Correct	5 ms	380 KB	Output is correct
45	Correct	5 ms	376 KB	Output is correct
46	Correct	5 ms	376 KB	Output is correct
47	Correct	5 ms	376 KB	Output is correct
48	Correct	5 ms	376 KB	Output is correct
49	Correct	5 ms	376 KB	Output is correct
50	Correct	5 ms	376 KB	Output is correct
51	Correct	5 ms	376 KB	Output is correct
52	Correct	5 ms	376 KB	Output is correct
53	Correct	5 ms	376 KB	Output is correct
54	Correct	5 ms	376 KB	Output is correct
55	Correct	5 ms	376 KB	Output is correct
56	Correct	5 ms	380 KB	Output is correct
57	Correct	5 ms	376 KB	Output is correct
58	Correct	5 ms	376 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	4 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	4 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	54 ms	14312 KB	Output is correct
8	Correct	53 ms	14200 KB	Output is correct
9	Correct	49 ms	14240 KB	Output is correct
10	Correct	51 ms	14200 KB	Output is correct
11	Correct	51 ms	14256 KB	Output is correct
12	Correct	49 ms	14200 KB	Output is correct
13	Correct	51 ms	14304 KB	Output is correct
14	Correct	50 ms	14200 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	128 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	4 ms	256 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	256 KB	Output is correct
9	Correct	5 ms	504 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	4 ms	256 KB	Output is correct
12	Correct	5 ms	256 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	256 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	5 ms	256 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	4 ms	376 KB	Output is correct
19	Correct	5 ms	256 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	4 ms	256 KB	Output is correct
22	Correct	5 ms	256 KB	Output is correct
23	Correct	5 ms	256 KB	Output is correct
24	Correct	4 ms	256 KB	Output is correct
25	Correct	5 ms	256 KB	Output is correct
26	Correct	4 ms	256 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	5 ms	256 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	5 ms	256 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	4 ms	256 KB	Output is correct
33	Correct	5 ms	256 KB	Output is correct
34	Correct	5 ms	256 KB	Output is correct
35	Correct	5 ms	376 KB	Output is correct
36	Correct	5 ms	376 KB	Output is correct
37	Correct	5 ms	376 KB	Output is correct
38	Correct	5 ms	376 KB	Output is correct
39	Correct	5 ms	376 KB	Output is correct
40	Correct	5 ms	376 KB	Output is correct
41	Correct	5 ms	376 KB	Output is correct
42	Correct	5 ms	376 KB	Output is correct
43	Correct	5 ms	380 KB	Output is correct
44	Correct	5 ms	380 KB	Output is correct
45	Correct	5 ms	376 KB	Output is correct
46	Correct	5 ms	376 KB	Output is correct
47	Correct	5 ms	376 KB	Output is correct
48	Correct	5 ms	376 KB	Output is correct
49	Correct	5 ms	376 KB	Output is correct
50	Correct	5 ms	376 KB	Output is correct
51	Correct	5 ms	376 KB	Output is correct
52	Correct	5 ms	376 KB	Output is correct
53	Correct	5 ms	376 KB	Output is correct
54	Correct	5 ms	376 KB	Output is correct
55	Correct	5 ms	376 KB	Output is correct
56	Correct	5 ms	380 KB	Output is correct
57	Correct	5 ms	376 KB	Output is correct
58	Correct	5 ms	376 KB	Output is correct
59	Correct	5 ms	256 KB	Output is correct
60	Correct	4 ms	256 KB	Output is correct
61	Correct	5 ms	256 KB	Output is correct
62	Correct	5 ms	256 KB	Output is correct
63	Correct	4 ms	256 KB	Output is correct
64	Correct	5 ms	256 KB	Output is correct
65	Correct	54 ms	14312 KB	Output is correct
66	Correct	53 ms	14200 KB	Output is correct
67	Correct	49 ms	14240 KB	Output is correct
68	Correct	51 ms	14200 KB	Output is correct
69	Correct	51 ms	14256 KB	Output is correct
70	Correct	49 ms	14200 KB	Output is correct
71	Correct	51 ms	14304 KB	Output is correct
72	Correct	50 ms	14200 KB	Output is correct
73	Correct	54 ms	15992 KB	Output is correct
74	Correct	52 ms	15992 KB	Output is correct
75	Correct	52 ms	15992 KB	Output is correct
76	Correct	47 ms	16120 KB	Output is correct
77	Correct	51 ms	15936 KB	Output is correct
78	Correct	51 ms	15992 KB	Output is correct
79	Correct	53 ms	15992 KB	Output is correct
80	Correct	50 ms	15992 KB	Output is correct
81	Correct	50 ms	15992 KB	Output is correct
82	Correct	50 ms	15992 KB	Output is correct
83	Correct	54 ms	15992 KB	Output is correct
84	Correct	55 ms	15992 KB	Output is correct
85	Correct	60 ms	15972 KB	Output is correct
86	Correct	54 ms	15992 KB	Output is correct
87	Correct	56 ms	15992 KB	Output is correct
88	Correct	56 ms	15992 KB	Output is correct
89	Correct	56 ms	15992 KB	Output is correct
90	Correct	56 ms	15992 KB	Output is correct
91	Correct	60 ms	15992 KB	Output is correct
92	Correct	61 ms	15992 KB	Output is correct
93	Correct	63 ms	16028 KB	Output is correct
94	Correct	61 ms	15992 KB	Output is correct
95	Correct	61 ms	15992 KB	Output is correct
96	Correct	68 ms	15968 KB	Output is correct
97	Correct	63 ms	15992 KB	Output is correct
98	Correct	62 ms	15940 KB	Output is correct
99	Correct	63 ms	15992 KB	Output is correct
100	Correct	60 ms	15992 KB	Output is correct
101	Correct	60 ms	15992 KB	Output is correct
102	Correct	61 ms	15992 KB	Output is correct

답안 #204071

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