답안 #105055

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
105055	2019-04-10T11:01:13 Z	antimirage	Lamps (JOI19_lamps)	C++14	100 / 100	106 ms	67064 KB

lamp

# include <bits/stdc++.h>
 
using namespace std;
 
const int N = 1e6 + 5;
 
int n, dp[N][4][4];
 
char a[N], b[N];

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

	cin >> n;
	scanf("\n%s", a + 1);
	scanf("\n%s", b + 1);

	dp[0][2][0] = 0;
	for (int i = 1; i <= n; i++){
	
		for (int j = 0; j < 3; j++){
		
			if (b[i] - 48 == j){
			
				dp[i][j][0] = min(dp[i - 1][j][1], dp[i - 1][j][0]);
				
				for (int l = 0; l < 3; l++){
	
					dp[i][j][0] = min( dp[i][j][0], dp[i - 1][l][0] + 1);
					dp[i][j][0] = min( dp[i][j][0], dp[i - 1][l][1] + 1);
				}
			}
			if (b[i] - 48 == (j ^ 1) ){
				
				dp[i][j][1] = min( dp[i - 1][j][0] + 1, dp[i - 1][j][1]);
				
				for (int l = 0; l < 3; l++){
					
					dp[i][j][1] = min( dp[i][j][1], dp[i - 1][l][1] + 1);
				}
			}
			if (j == 2 && b[i] == a[i]){
				
				for (int l = 0; l < 3; l++){
					
					dp[i][j][0] = min( dp[i][j][0], dp[i - 1][l][0]);
					dp[i][j][0] = min( dp[i][j][0], dp[i - 1][l][1]);
				}
			}
			if (j == 2 && b[i] != a[i]){
				
				for (int l = 0; l < 3; l++){
					
					dp[i][j][1] = min( dp[i][j][1], dp[i - 1][l][1]);
					dp[i][j][1] = min( dp[i][j][1], dp[i - 1][l][0] + 1);
				}
			}
		}
	}
	int ans = n + 1;
	
	for (int i = 0; i < 3; i++)
		for (int j = 0; j < 2; j++)
			ans = min(ans, dp[n][i][j]);
			
	cout << ans << endl;
}
/**
13
0101100101001
1011111000000

13
0001101001101
0101100011011

8
11011100
01101001
**/

Compilation message

lamp.cpp:11:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){ 
      ^
lamp.cpp: In function 'int main()':
lamp.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("\n%s", a + 1);
  ~~~~~^~~~~~~~~~~~~~~
lamp.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("\n%s", b + 1);
  ~~~~~^~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	62968 KB	Output is correct
2	Correct	63 ms	62968 KB	Output is correct
3	Correct	58 ms	62972 KB	Output is correct
4	Correct	55 ms	62956 KB	Output is correct
5	Correct	55 ms	62968 KB	Output is correct
6	Correct	60 ms	62968 KB	Output is correct
7	Correct	54 ms	62968 KB	Output is correct
8	Correct	60 ms	62968 KB	Output is correct
9	Correct	52 ms	62968 KB	Output is correct
10	Correct	54 ms	62968 KB	Output is correct
11	Correct	58 ms	63072 KB	Output is correct
12	Correct	54 ms	62968 KB	Output is correct
13	Correct	56 ms	62968 KB	Output is correct
14	Correct	51 ms	62972 KB	Output is correct
15	Correct	52 ms	62924 KB	Output is correct
16	Correct	61 ms	62968 KB	Output is correct
17	Correct	53 ms	62968 KB	Output is correct
18	Correct	57 ms	62968 KB	Output is correct
19	Correct	59 ms	62968 KB	Output is correct
20	Correct	56 ms	63096 KB	Output is correct
21	Correct	57 ms	62888 KB	Output is correct
22	Correct	55 ms	62968 KB	Output is correct
23	Correct	58 ms	62968 KB	Output is correct
24	Correct	55 ms	62968 KB	Output is correct
25	Correct	55 ms	62968 KB	Output is correct
26	Correct	55 ms	62980 KB	Output is correct
27	Correct	53 ms	63096 KB	Output is correct
28	Correct	59 ms	63096 KB	Output is correct
29	Correct	56 ms	62968 KB	Output is correct
30	Correct	56 ms	62900 KB	Output is correct
31	Correct	53 ms	62968 KB	Output is correct
32	Correct	56 ms	63096 KB	Output is correct
33	Correct	56 ms	62968 KB	Output is correct
34	Correct	57 ms	63096 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	62968 KB	Output is correct
2	Correct	63 ms	62968 KB	Output is correct
3	Correct	58 ms	62972 KB	Output is correct
4	Correct	55 ms	62956 KB	Output is correct
5	Correct	55 ms	62968 KB	Output is correct
6	Correct	60 ms	62968 KB	Output is correct
7	Correct	54 ms	62968 KB	Output is correct
8	Correct	60 ms	62968 KB	Output is correct
9	Correct	52 ms	62968 KB	Output is correct
10	Correct	54 ms	62968 KB	Output is correct
11	Correct	58 ms	63072 KB	Output is correct
12	Correct	54 ms	62968 KB	Output is correct
13	Correct	56 ms	62968 KB	Output is correct
14	Correct	51 ms	62972 KB	Output is correct
15	Correct	52 ms	62924 KB	Output is correct
16	Correct	61 ms	62968 KB	Output is correct
17	Correct	53 ms	62968 KB	Output is correct
18	Correct	57 ms	62968 KB	Output is correct
19	Correct	59 ms	62968 KB	Output is correct
20	Correct	56 ms	63096 KB	Output is correct
21	Correct	57 ms	62888 KB	Output is correct
22	Correct	55 ms	62968 KB	Output is correct
23	Correct	58 ms	62968 KB	Output is correct
24	Correct	55 ms	62968 KB	Output is correct
25	Correct	55 ms	62968 KB	Output is correct
26	Correct	55 ms	62980 KB	Output is correct
27	Correct	53 ms	63096 KB	Output is correct
28	Correct	59 ms	63096 KB	Output is correct
29	Correct	56 ms	62968 KB	Output is correct
30	Correct	56 ms	62900 KB	Output is correct
31	Correct	53 ms	62968 KB	Output is correct
32	Correct	56 ms	63096 KB	Output is correct
33	Correct	56 ms	62968 KB	Output is correct
34	Correct	57 ms	63096 KB	Output is correct
35	Correct	52 ms	62972 KB	Output is correct
36	Correct	52 ms	62924 KB	Output is correct
37	Correct	60 ms	62968 KB	Output is correct
38	Correct	57 ms	62968 KB	Output is correct
39	Correct	58 ms	62968 KB	Output is correct
40	Correct	56 ms	62968 KB	Output is correct
41	Correct	62 ms	62968 KB	Output is correct
42	Correct	57 ms	62968 KB	Output is correct
43	Correct	61 ms	62968 KB	Output is correct
44	Correct	56 ms	62968 KB	Output is correct
45	Correct	63 ms	62968 KB	Output is correct
46	Correct	57 ms	62904 KB	Output is correct
47	Correct	55 ms	62900 KB	Output is correct
48	Correct	58 ms	62968 KB	Output is correct
49	Correct	55 ms	62888 KB	Output is correct
50	Correct	54 ms	62968 KB	Output is correct
51	Correct	61 ms	62968 KB	Output is correct
52	Correct	57 ms	62968 KB	Output is correct
53	Correct	58 ms	62968 KB	Output is correct
54	Correct	60 ms	62968 KB	Output is correct
55	Correct	58 ms	62972 KB	Output is correct
56	Correct	58 ms	62964 KB	Output is correct
57	Correct	51 ms	62968 KB	Output is correct
58	Correct	54 ms	62968 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	58 ms	62936 KB	Output is correct
2	Correct	56 ms	62968 KB	Output is correct
3	Correct	54 ms	62940 KB	Output is correct
4	Correct	56 ms	62968 KB	Output is correct
5	Correct	56 ms	62968 KB	Output is correct
6	Correct	56 ms	62968 KB	Output is correct
7	Correct	86 ms	65920 KB	Output is correct
8	Correct	88 ms	66296 KB	Output is correct
9	Correct	99 ms	66332 KB	Output is correct
10	Correct	81 ms	66300 KB	Output is correct
11	Correct	82 ms	66296 KB	Output is correct
12	Correct	83 ms	66324 KB	Output is correct
13	Correct	97 ms	66268 KB	Output is correct
14	Correct	83 ms	66296 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	62968 KB	Output is correct
2	Correct	63 ms	62968 KB	Output is correct
3	Correct	58 ms	62972 KB	Output is correct
4	Correct	55 ms	62956 KB	Output is correct
5	Correct	55 ms	62968 KB	Output is correct
6	Correct	60 ms	62968 KB	Output is correct
7	Correct	54 ms	62968 KB	Output is correct
8	Correct	60 ms	62968 KB	Output is correct
9	Correct	52 ms	62968 KB	Output is correct
10	Correct	54 ms	62968 KB	Output is correct
11	Correct	58 ms	63072 KB	Output is correct
12	Correct	54 ms	62968 KB	Output is correct
13	Correct	56 ms	62968 KB	Output is correct
14	Correct	51 ms	62972 KB	Output is correct
15	Correct	52 ms	62924 KB	Output is correct
16	Correct	61 ms	62968 KB	Output is correct
17	Correct	53 ms	62968 KB	Output is correct
18	Correct	57 ms	62968 KB	Output is correct
19	Correct	59 ms	62968 KB	Output is correct
20	Correct	56 ms	63096 KB	Output is correct
21	Correct	57 ms	62888 KB	Output is correct
22	Correct	55 ms	62968 KB	Output is correct
23	Correct	58 ms	62968 KB	Output is correct
24	Correct	55 ms	62968 KB	Output is correct
25	Correct	55 ms	62968 KB	Output is correct
26	Correct	55 ms	62980 KB	Output is correct
27	Correct	53 ms	63096 KB	Output is correct
28	Correct	59 ms	63096 KB	Output is correct
29	Correct	56 ms	62968 KB	Output is correct
30	Correct	56 ms	62900 KB	Output is correct
31	Correct	53 ms	62968 KB	Output is correct
32	Correct	56 ms	63096 KB	Output is correct
33	Correct	56 ms	62968 KB	Output is correct
34	Correct	57 ms	63096 KB	Output is correct
35	Correct	52 ms	62972 KB	Output is correct
36	Correct	52 ms	62924 KB	Output is correct
37	Correct	60 ms	62968 KB	Output is correct
38	Correct	57 ms	62968 KB	Output is correct
39	Correct	58 ms	62968 KB	Output is correct
40	Correct	56 ms	62968 KB	Output is correct
41	Correct	62 ms	62968 KB	Output is correct
42	Correct	57 ms	62968 KB	Output is correct
43	Correct	61 ms	62968 KB	Output is correct
44	Correct	56 ms	62968 KB	Output is correct
45	Correct	63 ms	62968 KB	Output is correct
46	Correct	57 ms	62904 KB	Output is correct
47	Correct	55 ms	62900 KB	Output is correct
48	Correct	58 ms	62968 KB	Output is correct
49	Correct	55 ms	62888 KB	Output is correct
50	Correct	54 ms	62968 KB	Output is correct
51	Correct	61 ms	62968 KB	Output is correct
52	Correct	57 ms	62968 KB	Output is correct
53	Correct	58 ms	62968 KB	Output is correct
54	Correct	60 ms	62968 KB	Output is correct
55	Correct	58 ms	62972 KB	Output is correct
56	Correct	58 ms	62964 KB	Output is correct
57	Correct	51 ms	62968 KB	Output is correct
58	Correct	54 ms	62968 KB	Output is correct
59	Correct	58 ms	62936 KB	Output is correct
60	Correct	56 ms	62968 KB	Output is correct
61	Correct	54 ms	62940 KB	Output is correct
62	Correct	56 ms	62968 KB	Output is correct
63	Correct	56 ms	62968 KB	Output is correct
64	Correct	56 ms	62968 KB	Output is correct
65	Correct	86 ms	65920 KB	Output is correct
66	Correct	88 ms	66296 KB	Output is correct
67	Correct	99 ms	66332 KB	Output is correct
68	Correct	81 ms	66300 KB	Output is correct
69	Correct	82 ms	66296 KB	Output is correct
70	Correct	83 ms	66324 KB	Output is correct
71	Correct	97 ms	66268 KB	Output is correct
72	Correct	83 ms	66296 KB	Output is correct
73	Correct	87 ms	66336 KB	Output is correct
74	Correct	83 ms	66808 KB	Output is correct
75	Correct	91 ms	66936 KB	Output is correct
76	Correct	86 ms	66964 KB	Output is correct
77	Correct	86 ms	67016 KB	Output is correct
78	Correct	89 ms	66868 KB	Output is correct
79	Correct	84 ms	66808 KB	Output is correct
80	Correct	87 ms	66792 KB	Output is correct
81	Correct	90 ms	67064 KB	Output is correct
82	Correct	86 ms	66780 KB	Output is correct
83	Correct	98 ms	66780 KB	Output is correct
84	Correct	96 ms	66892 KB	Output is correct
85	Correct	99 ms	66812 KB	Output is correct
86	Correct	96 ms	66828 KB	Output is correct
87	Correct	98 ms	66808 KB	Output is correct
88	Correct	95 ms	66896 KB	Output is correct
89	Correct	90 ms	66808 KB	Output is correct
90	Correct	89 ms	66936 KB	Output is correct
91	Correct	94 ms	66808 KB	Output is correct
92	Correct	106 ms	66984 KB	Output is correct
93	Correct	99 ms	66808 KB	Output is correct
94	Correct	97 ms	66804 KB	Output is correct
95	Correct	95 ms	66780 KB	Output is correct
96	Correct	92 ms	66936 KB	Output is correct
97	Correct	99 ms	67000 KB	Output is correct
98	Correct	95 ms	66864 KB	Output is correct
99	Correct	96 ms	66780 KB	Output is correct
100	Correct	96 ms	66808 KB	Output is correct
101	Correct	98 ms	66808 KB	Output is correct
102	Correct	93 ms	66884 KB	Output is correct

답안 #105055

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