답안 #596774

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
596774	2022-07-15T04:11:11 Z	penguinhacker	Lamps (JOI19_lamps)	C++17	100 / 100	48 ms	14212 KB

lamp

#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ar array
 
const int mxN=1e6;
int n, dp[mxN][3]; // use 0, use 1, use nothing
string a, b;
 
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> a >> b;
	memset(dp, 0x3f, sizeof(dp));
	dp[0][0]=(a[0]!=b[0]);
	dp[0][1]=1+(b[0]=='1');
	dp[0][2]=1+(b[0]=='0');
	for (int i=1; i<n; ++i) {
		for (int j=0; j<3; ++j) {
			for (int k=0; k<3; ++k) {
				int dif1=j==1?b[i-1]=='1':j==2?b[i-1]=='0':b[i-1]!=a[i-1];
				int dif2=k==1?b[i]=='1':k==2?b[i]=='0':b[i]!=a[i];
				dp[i][k]=min(dp[i][k], dp[i-1][j]+(k>0&&j!=k)+(dif2&&!dif1));
			}
		}
	}
	cout << min({dp[n-1][0], dp[n-1][1], dp[n-1][2]});
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	11988 KB	Output is correct
2	Correct	5 ms	12028 KB	Output is correct
3	Correct	5 ms	11964 KB	Output is correct
4	Correct	5 ms	11988 KB	Output is correct
5	Correct	5 ms	11988 KB	Output is correct
6	Correct	5 ms	12032 KB	Output is correct
7	Correct	5 ms	11988 KB	Output is correct
8	Correct	5 ms	11988 KB	Output is correct
9	Correct	5 ms	12052 KB	Output is correct
10	Correct	5 ms	11988 KB	Output is correct
11	Correct	4 ms	11988 KB	Output is correct
12	Correct	5 ms	11988 KB	Output is correct
13	Correct	5 ms	11936 KB	Output is correct
14	Correct	5 ms	11988 KB	Output is correct
15	Correct	4 ms	11988 KB	Output is correct
16	Correct	5 ms	11988 KB	Output is correct
17	Correct	6 ms	11988 KB	Output is correct
18	Correct	5 ms	11988 KB	Output is correct
19	Correct	6 ms	11988 KB	Output is correct
20	Correct	5 ms	11988 KB	Output is correct
21	Correct	6 ms	11988 KB	Output is correct
22	Correct	5 ms	11988 KB	Output is correct
23	Correct	5 ms	11988 KB	Output is correct
24	Correct	6 ms	11952 KB	Output is correct
25	Correct	5 ms	11988 KB	Output is correct
26	Correct	5 ms	12036 KB	Output is correct
27	Correct	5 ms	11988 KB	Output is correct
28	Correct	6 ms	11968 KB	Output is correct
29	Correct	5 ms	11988 KB	Output is correct
30	Correct	5 ms	12112 KB	Output is correct
31	Correct	5 ms	11988 KB	Output is correct
32	Correct	5 ms	11988 KB	Output is correct
33	Correct	7 ms	12032 KB	Output is correct
34	Correct	5 ms	11988 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	11988 KB	Output is correct
2	Correct	5 ms	12028 KB	Output is correct
3	Correct	5 ms	11964 KB	Output is correct
4	Correct	5 ms	11988 KB	Output is correct
5	Correct	5 ms	11988 KB	Output is correct
6	Correct	5 ms	12032 KB	Output is correct
7	Correct	5 ms	11988 KB	Output is correct
8	Correct	5 ms	11988 KB	Output is correct
9	Correct	5 ms	12052 KB	Output is correct
10	Correct	5 ms	11988 KB	Output is correct
11	Correct	4 ms	11988 KB	Output is correct
12	Correct	5 ms	11988 KB	Output is correct
13	Correct	5 ms	11936 KB	Output is correct
14	Correct	5 ms	11988 KB	Output is correct
15	Correct	4 ms	11988 KB	Output is correct
16	Correct	5 ms	11988 KB	Output is correct
17	Correct	6 ms	11988 KB	Output is correct
18	Correct	5 ms	11988 KB	Output is correct
19	Correct	6 ms	11988 KB	Output is correct
20	Correct	5 ms	11988 KB	Output is correct
21	Correct	6 ms	11988 KB	Output is correct
22	Correct	5 ms	11988 KB	Output is correct
23	Correct	5 ms	11988 KB	Output is correct
24	Correct	6 ms	11952 KB	Output is correct
25	Correct	5 ms	11988 KB	Output is correct
26	Correct	5 ms	12036 KB	Output is correct
27	Correct	5 ms	11988 KB	Output is correct
28	Correct	6 ms	11968 KB	Output is correct
29	Correct	5 ms	11988 KB	Output is correct
30	Correct	5 ms	12112 KB	Output is correct
31	Correct	5 ms	11988 KB	Output is correct
32	Correct	5 ms	11988 KB	Output is correct
33	Correct	7 ms	12032 KB	Output is correct
34	Correct	5 ms	11988 KB	Output is correct
35	Correct	5 ms	11988 KB	Output is correct
36	Correct	6 ms	11988 KB	Output is correct
37	Correct	5 ms	11988 KB	Output is correct
38	Correct	6 ms	11988 KB	Output is correct
39	Correct	5 ms	11988 KB	Output is correct
40	Correct	5 ms	11956 KB	Output is correct
41	Correct	5 ms	11988 KB	Output is correct
42	Correct	5 ms	11988 KB	Output is correct
43	Correct	6 ms	11988 KB	Output is correct
44	Correct	5 ms	11988 KB	Output is correct
45	Correct	5 ms	11988 KB	Output is correct
46	Correct	5 ms	11988 KB	Output is correct
47	Correct	5 ms	11988 KB	Output is correct
48	Correct	5 ms	11988 KB	Output is correct
49	Correct	5 ms	11988 KB	Output is correct
50	Correct	5 ms	11988 KB	Output is correct
51	Correct	5 ms	11988 KB	Output is correct
52	Correct	6 ms	11988 KB	Output is correct
53	Correct	5 ms	11988 KB	Output is correct
54	Correct	6 ms	11988 KB	Output is correct
55	Correct	7 ms	11988 KB	Output is correct
56	Correct	5 ms	11988 KB	Output is correct
57	Correct	5 ms	11988 KB	Output is correct
58	Correct	5 ms	12048 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	11988 KB	Output is correct
2	Correct	5 ms	11968 KB	Output is correct
3	Correct	5 ms	11988 KB	Output is correct
4	Correct	4 ms	12044 KB	Output is correct
5	Correct	5 ms	11960 KB	Output is correct
6	Correct	6 ms	11972 KB	Output is correct
7	Correct	35 ms	14116 KB	Output is correct
8	Correct	41 ms	14172 KB	Output is correct
9	Correct	31 ms	14104 KB	Output is correct
10	Correct	33 ms	14148 KB	Output is correct
11	Correct	39 ms	14212 KB	Output is correct
12	Correct	43 ms	14144 KB	Output is correct
13	Correct	33 ms	14164 KB	Output is correct
14	Correct	32 ms	14120 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	11988 KB	Output is correct
2	Correct	5 ms	12028 KB	Output is correct
3	Correct	5 ms	11964 KB	Output is correct
4	Correct	5 ms	11988 KB	Output is correct
5	Correct	5 ms	11988 KB	Output is correct
6	Correct	5 ms	12032 KB	Output is correct
7	Correct	5 ms	11988 KB	Output is correct
8	Correct	5 ms	11988 KB	Output is correct
9	Correct	5 ms	12052 KB	Output is correct
10	Correct	5 ms	11988 KB	Output is correct
11	Correct	4 ms	11988 KB	Output is correct
12	Correct	5 ms	11988 KB	Output is correct
13	Correct	5 ms	11936 KB	Output is correct
14	Correct	5 ms	11988 KB	Output is correct
15	Correct	4 ms	11988 KB	Output is correct
16	Correct	5 ms	11988 KB	Output is correct
17	Correct	6 ms	11988 KB	Output is correct
18	Correct	5 ms	11988 KB	Output is correct
19	Correct	6 ms	11988 KB	Output is correct
20	Correct	5 ms	11988 KB	Output is correct
21	Correct	6 ms	11988 KB	Output is correct
22	Correct	5 ms	11988 KB	Output is correct
23	Correct	5 ms	11988 KB	Output is correct
24	Correct	6 ms	11952 KB	Output is correct
25	Correct	5 ms	11988 KB	Output is correct
26	Correct	5 ms	12036 KB	Output is correct
27	Correct	5 ms	11988 KB	Output is correct
28	Correct	6 ms	11968 KB	Output is correct
29	Correct	5 ms	11988 KB	Output is correct
30	Correct	5 ms	12112 KB	Output is correct
31	Correct	5 ms	11988 KB	Output is correct
32	Correct	5 ms	11988 KB	Output is correct
33	Correct	7 ms	12032 KB	Output is correct
34	Correct	5 ms	11988 KB	Output is correct
35	Correct	5 ms	11988 KB	Output is correct
36	Correct	6 ms	11988 KB	Output is correct
37	Correct	5 ms	11988 KB	Output is correct
38	Correct	6 ms	11988 KB	Output is correct
39	Correct	5 ms	11988 KB	Output is correct
40	Correct	5 ms	11956 KB	Output is correct
41	Correct	5 ms	11988 KB	Output is correct
42	Correct	5 ms	11988 KB	Output is correct
43	Correct	6 ms	11988 KB	Output is correct
44	Correct	5 ms	11988 KB	Output is correct
45	Correct	5 ms	11988 KB	Output is correct
46	Correct	5 ms	11988 KB	Output is correct
47	Correct	5 ms	11988 KB	Output is correct
48	Correct	5 ms	11988 KB	Output is correct
49	Correct	5 ms	11988 KB	Output is correct
50	Correct	5 ms	11988 KB	Output is correct
51	Correct	5 ms	11988 KB	Output is correct
52	Correct	6 ms	11988 KB	Output is correct
53	Correct	5 ms	11988 KB	Output is correct
54	Correct	6 ms	11988 KB	Output is correct
55	Correct	7 ms	11988 KB	Output is correct
56	Correct	5 ms	11988 KB	Output is correct
57	Correct	5 ms	11988 KB	Output is correct
58	Correct	5 ms	12048 KB	Output is correct
59	Correct	5 ms	11988 KB	Output is correct
60	Correct	5 ms	11968 KB	Output is correct
61	Correct	5 ms	11988 KB	Output is correct
62	Correct	4 ms	12044 KB	Output is correct
63	Correct	5 ms	11960 KB	Output is correct
64	Correct	6 ms	11972 KB	Output is correct
65	Correct	35 ms	14116 KB	Output is correct
66	Correct	41 ms	14172 KB	Output is correct
67	Correct	31 ms	14104 KB	Output is correct
68	Correct	33 ms	14148 KB	Output is correct
69	Correct	39 ms	14212 KB	Output is correct
70	Correct	43 ms	14144 KB	Output is correct
71	Correct	33 ms	14164 KB	Output is correct
72	Correct	32 ms	14120 KB	Output is correct
73	Correct	35 ms	14120 KB	Output is correct
74	Correct	32 ms	14116 KB	Output is correct
75	Correct	34 ms	14152 KB	Output is correct
76	Correct	36 ms	14116 KB	Output is correct
77	Correct	48 ms	14116 KB	Output is correct
78	Correct	35 ms	14116 KB	Output is correct
79	Correct	31 ms	14120 KB	Output is correct
80	Correct	33 ms	14120 KB	Output is correct
81	Correct	32 ms	14120 KB	Output is correct
82	Correct	33 ms	14148 KB	Output is correct
83	Correct	32 ms	14096 KB	Output is correct
84	Correct	40 ms	14144 KB	Output is correct
85	Correct	38 ms	14160 KB	Output is correct
86	Correct	32 ms	14116 KB	Output is correct
87	Correct	33 ms	14164 KB	Output is correct
88	Correct	32 ms	14156 KB	Output is correct
89	Correct	31 ms	14116 KB	Output is correct
90	Correct	43 ms	14144 KB	Output is correct
91	Correct	40 ms	14116 KB	Output is correct
92	Correct	34 ms	14116 KB	Output is correct
93	Correct	32 ms	14116 KB	Output is correct
94	Correct	35 ms	14100 KB	Output is correct
95	Correct	33 ms	14076 KB	Output is correct
96	Correct	30 ms	14116 KB	Output is correct
97	Correct	35 ms	14116 KB	Output is correct
98	Correct	32 ms	14048 KB	Output is correct
99	Correct	31 ms	14120 KB	Output is correct
100	Correct	33 ms	14120 KB	Output is correct
101	Correct	32 ms	14120 KB	Output is correct
102	Correct	33 ms	14060 KB	Output is correct

답안 #596774

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