답안 #105081

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
105081	2019-04-10T13:49:52 Z	Just_Solve_The_Problem	Lamps (JOI19_lamps)	C++11	100 / 100	155 ms	16636 KB

lamp

#include <bits/stdc++.h>

using namespace std;

const int N = (int)1e6 + 7;

string a, b;
int n;
int dp[N][3];
/*
dp[pos][operation]
operation
0 = off
1 = on
2 = do not touch
*/

char make(char c, int i) {
	if (i < 2) return i + '0';
	return c;
}

main() {
	memset(dp, 63, sizeof dp);
	scanf("%d", &n);
	cin >> a >> b;
	a = " " + a;
	b = " " + b;
	dp[0][2] = 0;
	int cost;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < 3; j++) {
			for (int l = 0; l < 3; l++) {
				cost = dp[i - 1][j];
				if (j != l && l != 2)
					cost++;
				if ((i == 1 || make(a[i - 1], j) == b[i - 1]) && make(a[i], l) != b[i])
					cost++;
				dp[i][l] = min(dp[i][l], cost);
			}
		}
	}
	printf("%d\n", min(dp[n][0], min(dp[n][1], dp[n][2])));
}

Compilation message

lamp.cpp:23:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
lamp.cpp: In function 'int main()':
lamp.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	12032 KB	Output is correct
2	Correct	14 ms	12028 KB	Output is correct
3	Correct	13 ms	12000 KB	Output is correct
4	Correct	13 ms	12032 KB	Output is correct
5	Correct	15 ms	12032 KB	Output is correct
6	Correct	13 ms	12072 KB	Output is correct
7	Correct	13 ms	12104 KB	Output is correct
8	Correct	12 ms	12020 KB	Output is correct
9	Correct	13 ms	12040 KB	Output is correct
10	Correct	12 ms	12032 KB	Output is correct
11	Correct	14 ms	12032 KB	Output is correct
12	Correct	12 ms	12004 KB	Output is correct
13	Correct	13 ms	12004 KB	Output is correct
14	Correct	15 ms	12060 KB	Output is correct
15	Correct	9 ms	12032 KB	Output is correct
16	Correct	11 ms	12032 KB	Output is correct
17	Correct	13 ms	12032 KB	Output is correct
18	Correct	13 ms	12032 KB	Output is correct
19	Correct	12 ms	12032 KB	Output is correct
20	Correct	13 ms	12004 KB	Output is correct
21	Correct	15 ms	12004 KB	Output is correct
22	Correct	15 ms	12032 KB	Output is correct
23	Correct	22 ms	12176 KB	Output is correct
24	Correct	13 ms	12032 KB	Output is correct
25	Correct	15 ms	12004 KB	Output is correct
26	Correct	14 ms	12024 KB	Output is correct
27	Correct	12 ms	12080 KB	Output is correct
28	Correct	12 ms	12032 KB	Output is correct
29	Correct	13 ms	11988 KB	Output is correct
30	Correct	13 ms	12032 KB	Output is correct
31	Correct	14 ms	12004 KB	Output is correct
32	Correct	14 ms	12032 KB	Output is correct
33	Correct	13 ms	12004 KB	Output is correct
34	Correct	15 ms	12032 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	12032 KB	Output is correct
2	Correct	14 ms	12028 KB	Output is correct
3	Correct	13 ms	12000 KB	Output is correct
4	Correct	13 ms	12032 KB	Output is correct
5	Correct	15 ms	12032 KB	Output is correct
6	Correct	13 ms	12072 KB	Output is correct
7	Correct	13 ms	12104 KB	Output is correct
8	Correct	12 ms	12020 KB	Output is correct
9	Correct	13 ms	12040 KB	Output is correct
10	Correct	12 ms	12032 KB	Output is correct
11	Correct	14 ms	12032 KB	Output is correct
12	Correct	12 ms	12004 KB	Output is correct
13	Correct	13 ms	12004 KB	Output is correct
14	Correct	15 ms	12060 KB	Output is correct
15	Correct	9 ms	12032 KB	Output is correct
16	Correct	11 ms	12032 KB	Output is correct
17	Correct	13 ms	12032 KB	Output is correct
18	Correct	13 ms	12032 KB	Output is correct
19	Correct	12 ms	12032 KB	Output is correct
20	Correct	13 ms	12004 KB	Output is correct
21	Correct	15 ms	12004 KB	Output is correct
22	Correct	15 ms	12032 KB	Output is correct
23	Correct	22 ms	12176 KB	Output is correct
24	Correct	13 ms	12032 KB	Output is correct
25	Correct	15 ms	12004 KB	Output is correct
26	Correct	14 ms	12024 KB	Output is correct
27	Correct	12 ms	12080 KB	Output is correct
28	Correct	12 ms	12032 KB	Output is correct
29	Correct	13 ms	11988 KB	Output is correct
30	Correct	13 ms	12032 KB	Output is correct
31	Correct	14 ms	12004 KB	Output is correct
32	Correct	14 ms	12032 KB	Output is correct
33	Correct	13 ms	12004 KB	Output is correct
34	Correct	15 ms	12032 KB	Output is correct
35	Correct	13 ms	12032 KB	Output is correct
36	Correct	14 ms	12032 KB	Output is correct
37	Correct	14 ms	12032 KB	Output is correct
38	Correct	14 ms	12032 KB	Output is correct
39	Correct	12 ms	12004 KB	Output is correct
40	Correct	10 ms	12084 KB	Output is correct
41	Correct	14 ms	12096 KB	Output is correct
42	Correct	13 ms	12032 KB	Output is correct
43	Correct	14 ms	12004 KB	Output is correct
44	Correct	12 ms	12096 KB	Output is correct
45	Correct	14 ms	12032 KB	Output is correct
46	Correct	15 ms	12032 KB	Output is correct
47	Correct	16 ms	12112 KB	Output is correct
48	Correct	12 ms	12032 KB	Output is correct
49	Correct	14 ms	12032 KB	Output is correct
50	Correct	12 ms	12032 KB	Output is correct
51	Correct	14 ms	12032 KB	Output is correct
52	Correct	13 ms	12032 KB	Output is correct
53	Correct	14 ms	12032 KB	Output is correct
54	Correct	14 ms	12032 KB	Output is correct
55	Correct	13 ms	11904 KB	Output is correct
56	Correct	14 ms	12032 KB	Output is correct
57	Correct	14 ms	12044 KB	Output is correct
58	Correct	15 ms	12032 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	12032 KB	Output is correct
2	Correct	13 ms	12032 KB	Output is correct
3	Correct	15 ms	12004 KB	Output is correct
4	Correct	15 ms	12032 KB	Output is correct
5	Correct	14 ms	12032 KB	Output is correct
6	Correct	15 ms	12000 KB	Output is correct
7	Correct	129 ms	16596 KB	Output is correct
8	Correct	128 ms	16448 KB	Output is correct
9	Correct	121 ms	16488 KB	Output is correct
10	Correct	113 ms	16460 KB	Output is correct
11	Correct	118 ms	16492 KB	Output is correct
12	Correct	128 ms	16636 KB	Output is correct
13	Correct	129 ms	16524 KB	Output is correct
14	Correct	113 ms	16488 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	12032 KB	Output is correct
2	Correct	14 ms	12028 KB	Output is correct
3	Correct	13 ms	12000 KB	Output is correct
4	Correct	13 ms	12032 KB	Output is correct
5	Correct	15 ms	12032 KB	Output is correct
6	Correct	13 ms	12072 KB	Output is correct
7	Correct	13 ms	12104 KB	Output is correct
8	Correct	12 ms	12020 KB	Output is correct
9	Correct	13 ms	12040 KB	Output is correct
10	Correct	12 ms	12032 KB	Output is correct
11	Correct	14 ms	12032 KB	Output is correct
12	Correct	12 ms	12004 KB	Output is correct
13	Correct	13 ms	12004 KB	Output is correct
14	Correct	15 ms	12060 KB	Output is correct
15	Correct	9 ms	12032 KB	Output is correct
16	Correct	11 ms	12032 KB	Output is correct
17	Correct	13 ms	12032 KB	Output is correct
18	Correct	13 ms	12032 KB	Output is correct
19	Correct	12 ms	12032 KB	Output is correct
20	Correct	13 ms	12004 KB	Output is correct
21	Correct	15 ms	12004 KB	Output is correct
22	Correct	15 ms	12032 KB	Output is correct
23	Correct	22 ms	12176 KB	Output is correct
24	Correct	13 ms	12032 KB	Output is correct
25	Correct	15 ms	12004 KB	Output is correct
26	Correct	14 ms	12024 KB	Output is correct
27	Correct	12 ms	12080 KB	Output is correct
28	Correct	12 ms	12032 KB	Output is correct
29	Correct	13 ms	11988 KB	Output is correct
30	Correct	13 ms	12032 KB	Output is correct
31	Correct	14 ms	12004 KB	Output is correct
32	Correct	14 ms	12032 KB	Output is correct
33	Correct	13 ms	12004 KB	Output is correct
34	Correct	15 ms	12032 KB	Output is correct
35	Correct	13 ms	12032 KB	Output is correct
36	Correct	14 ms	12032 KB	Output is correct
37	Correct	14 ms	12032 KB	Output is correct
38	Correct	14 ms	12032 KB	Output is correct
39	Correct	12 ms	12004 KB	Output is correct
40	Correct	10 ms	12084 KB	Output is correct
41	Correct	14 ms	12096 KB	Output is correct
42	Correct	13 ms	12032 KB	Output is correct
43	Correct	14 ms	12004 KB	Output is correct
44	Correct	12 ms	12096 KB	Output is correct
45	Correct	14 ms	12032 KB	Output is correct
46	Correct	15 ms	12032 KB	Output is correct
47	Correct	16 ms	12112 KB	Output is correct
48	Correct	12 ms	12032 KB	Output is correct
49	Correct	14 ms	12032 KB	Output is correct
50	Correct	12 ms	12032 KB	Output is correct
51	Correct	14 ms	12032 KB	Output is correct
52	Correct	13 ms	12032 KB	Output is correct
53	Correct	14 ms	12032 KB	Output is correct
54	Correct	14 ms	12032 KB	Output is correct
55	Correct	13 ms	11904 KB	Output is correct
56	Correct	14 ms	12032 KB	Output is correct
57	Correct	14 ms	12044 KB	Output is correct
58	Correct	15 ms	12032 KB	Output is correct
59	Correct	13 ms	12032 KB	Output is correct
60	Correct	13 ms	12032 KB	Output is correct
61	Correct	15 ms	12004 KB	Output is correct
62	Correct	15 ms	12032 KB	Output is correct
63	Correct	14 ms	12032 KB	Output is correct
64	Correct	15 ms	12000 KB	Output is correct
65	Correct	129 ms	16596 KB	Output is correct
66	Correct	128 ms	16448 KB	Output is correct
67	Correct	121 ms	16488 KB	Output is correct
68	Correct	113 ms	16460 KB	Output is correct
69	Correct	118 ms	16492 KB	Output is correct
70	Correct	128 ms	16636 KB	Output is correct
71	Correct	129 ms	16524 KB	Output is correct
72	Correct	113 ms	16488 KB	Output is correct
73	Correct	112 ms	16556 KB	Output is correct
74	Correct	119 ms	16492 KB	Output is correct
75	Correct	115 ms	16488 KB	Output is correct
76	Correct	106 ms	16488 KB	Output is correct
77	Correct	108 ms	16616 KB	Output is correct
78	Correct	124 ms	16448 KB	Output is correct
79	Correct	121 ms	16516 KB	Output is correct
80	Correct	109 ms	16488 KB	Output is correct
81	Correct	114 ms	16488 KB	Output is correct
82	Correct	120 ms	16492 KB	Output is correct
83	Correct	109 ms	16488 KB	Output is correct
84	Correct	121 ms	16488 KB	Output is correct
85	Correct	147 ms	16436 KB	Output is correct
86	Correct	120 ms	16488 KB	Output is correct
87	Correct	155 ms	16492 KB	Output is correct
88	Correct	117 ms	16488 KB	Output is correct
89	Correct	131 ms	16588 KB	Output is correct
90	Correct	128 ms	16464 KB	Output is correct
91	Correct	125 ms	16484 KB	Output is correct
92	Correct	113 ms	16484 KB	Output is correct
93	Correct	124 ms	16408 KB	Output is correct
94	Correct	132 ms	16508 KB	Output is correct
95	Correct	141 ms	16488 KB	Output is correct
96	Correct	134 ms	16488 KB	Output is correct
97	Correct	129 ms	16500 KB	Output is correct
98	Correct	124 ms	16456 KB	Output is correct
99	Correct	122 ms	16408 KB	Output is correct
100	Correct	132 ms	16456 KB	Output is correct
101	Correct	131 ms	16468 KB	Output is correct
102	Correct	136 ms	16488 KB	Output is correct

답안 #105081

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