답안 #294749

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
294749	2020-09-09T09:13:03 Z	arnold518	Lamps (JOI19_lamps)	C++14	100 / 100	267 ms	22016 KB

lamp

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e6;

int N, A[MAXN+10], B[MAXN+10];
int dp[MAXN+10][3];

int main()
{
	scanf("%d", &N);
	for(int i=1; i<=N; i++) scanf("%1d", &A[i]);
	for(int i=1; i<=N; i++) scanf("%1d", &B[i]);

	dp[1][0]=1+((0^B[1])==1);
	dp[1][1]=1+((1^B[1])==1);
	dp[1][2]=((A[1]^B[1])==1);
	for(int i=2; i<=N; i++)
	{
		dp[i][0]=dp[i][1]=dp[i][2]=987654321;

		dp[i][0]=min(dp[i][0], dp[i-1][0]+((0^B[i])==1 && (0^B[i-1])==0));
		dp[i][0]=min(dp[i][0], dp[i-1][1]+((0^B[i])==1 && (1^B[i-1])==0)+1);
		dp[i][0]=min(dp[i][0], dp[i-1][2]+((0^B[i])==1 && (A[i-1]^B[i-1])==0)+1);
		
		dp[i][1]=min(dp[i][1], dp[i-1][0]+((1^B[i])==1 && (0^B[i-1])==0)+1);
		dp[i][1]=min(dp[i][1], dp[i-1][1]+((1^B[i])==1 && (1^B[i-1])==0));
		dp[i][1]=min(dp[i][1], dp[i-1][2]+((1^B[i])==1 && (A[i-1]^B[i-1])==0)+1);

		dp[i][2]=min(dp[i][2], dp[i-1][0]+((A[i]^B[i])==1 && (0^B[i-1])==0));
		dp[i][2]=min(dp[i][2], dp[i-1][1]+((A[i]^B[i])==1 && (1^B[i-1])==0));
		dp[i][2]=min(dp[i][2], dp[i-1][2]+((A[i]^B[i])==1 && (A[i-1]^B[i-1])==0));
	}
	printf("%d\n", min({dp[N][0], dp[N][1], dp[N][2]}));
}

Compilation message

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]
   15 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
lamp.cpp:16:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  for(int i=1; i<=N; i++) scanf("%1d", &A[i]);
      |                          ~~~~~^~~~~~~~~~~~~~
lamp.cpp:17:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |  for(int i=1; i<=N; i++) scanf("%1d", &B[i]);
      |                          ~~~~~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	380 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	0 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	380 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	0 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	1 ms	384 KB	Output is correct
47	Correct	1 ms	384 KB	Output is correct
48	Correct	1 ms	384 KB	Output is correct
49	Correct	1 ms	384 KB	Output is correct
50	Correct	1 ms	384 KB	Output is correct
51	Correct	1 ms	384 KB	Output is correct
52	Correct	1 ms	384 KB	Output is correct
53	Correct	1 ms	384 KB	Output is correct
54	Correct	1 ms	384 KB	Output is correct
55	Correct	1 ms	384 KB	Output is correct
56	Correct	1 ms	384 KB	Output is correct
57	Correct	1 ms	384 KB	Output is correct
58	Correct	1 ms	384 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	184 ms	21828 KB	Output is correct
8	Correct	195 ms	21880 KB	Output is correct
9	Correct	195 ms	21884 KB	Output is correct
10	Correct	192 ms	21832 KB	Output is correct
11	Correct	196 ms	21880 KB	Output is correct
12	Correct	185 ms	21880 KB	Output is correct
13	Correct	190 ms	21880 KB	Output is correct
14	Correct	201 ms	21880 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	1 ms	380 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	0 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	1 ms	384 KB	Output is correct
47	Correct	1 ms	384 KB	Output is correct
48	Correct	1 ms	384 KB	Output is correct
49	Correct	1 ms	384 KB	Output is correct
50	Correct	1 ms	384 KB	Output is correct
51	Correct	1 ms	384 KB	Output is correct
52	Correct	1 ms	384 KB	Output is correct
53	Correct	1 ms	384 KB	Output is correct
54	Correct	1 ms	384 KB	Output is correct
55	Correct	1 ms	384 KB	Output is correct
56	Correct	1 ms	384 KB	Output is correct
57	Correct	1 ms	384 KB	Output is correct
58	Correct	1 ms	384 KB	Output is correct
59	Correct	1 ms	384 KB	Output is correct
60	Correct	1 ms	384 KB	Output is correct
61	Correct	1 ms	384 KB	Output is correct
62	Correct	1 ms	384 KB	Output is correct
63	Correct	1 ms	384 KB	Output is correct
64	Correct	1 ms	384 KB	Output is correct
65	Correct	184 ms	21828 KB	Output is correct
66	Correct	195 ms	21880 KB	Output is correct
67	Correct	195 ms	21884 KB	Output is correct
68	Correct	192 ms	21832 KB	Output is correct
69	Correct	196 ms	21880 KB	Output is correct
70	Correct	185 ms	21880 KB	Output is correct
71	Correct	190 ms	21880 KB	Output is correct
72	Correct	201 ms	21880 KB	Output is correct
73	Correct	195 ms	21880 KB	Output is correct
74	Correct	211 ms	21912 KB	Output is correct
75	Correct	240 ms	21816 KB	Output is correct
76	Correct	207 ms	21880 KB	Output is correct
77	Correct	198 ms	21880 KB	Output is correct
78	Correct	205 ms	21880 KB	Output is correct
79	Correct	203 ms	21880 KB	Output is correct
80	Correct	203 ms	21880 KB	Output is correct
81	Correct	196 ms	21884 KB	Output is correct
82	Correct	197 ms	21880 KB	Output is correct
83	Correct	195 ms	21880 KB	Output is correct
84	Correct	198 ms	21880 KB	Output is correct
85	Correct	195 ms	21880 KB	Output is correct
86	Correct	200 ms	22016 KB	Output is correct
87	Correct	197 ms	22008 KB	Output is correct
88	Correct	195 ms	21880 KB	Output is correct
89	Correct	209 ms	21880 KB	Output is correct
90	Correct	201 ms	21880 KB	Output is correct
91	Correct	218 ms	21880 KB	Output is correct
92	Correct	209 ms	21880 KB	Output is correct
93	Correct	220 ms	22008 KB	Output is correct
94	Correct	207 ms	21880 KB	Output is correct
95	Correct	207 ms	21880 KB	Output is correct
96	Correct	209 ms	22008 KB	Output is correct
97	Correct	216 ms	21880 KB	Output is correct
98	Correct	225 ms	21880 KB	Output is correct
99	Correct	216 ms	21880 KB	Output is correct
100	Correct	214 ms	21880 KB	Output is correct
101	Correct	209 ms	21828 KB	Output is correct
102	Correct	267 ms	22008 KB	Output is correct

답안 #294749

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