Submission #159663

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
159663	2019-10-23T19:33:47 Z	Diuven	Lamps (JOI19_lamps)	C++14	100 / 100	32 ms	16120 KB

lamp

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

const int MAX = 1e6+10;
inline int f(int a, int b){ return a<b ? a : b; }

int n, D[MAX][3]; // 0 1 x
char A[MAX], B[MAX];

int main(){
	ios::sync_with_stdio(0); cin.tie(0);

	cin>>n>>(A+1)>>(B+1);
	D[1][0] = 1 + (B[1]!='0');
	D[1][1] = 1 + (B[1]!='1');
	D[1][2] = 0 + (B[1]!=A[1]);

	for(int i=2; i<=n; i++){
		int &z=D[i-1][0], &o=D[i-1][1], &x=D[i-1][2];
		int b=B[i]=='1';
		D[i][0] = f(z + (b && B[i-1]=='0'), x + 1 + (b && A[i-1]==B[i-1]));
		D[i][1] = f(o + (!b&& B[i-1]=='1'), x + 1 + (!b&& A[i-1]==B[i-1]));
		D[i][2] = f(f(
			z + (A[i]!=B[i] && B[i-1]=='0'),
			o + (A[i]!=B[i] && B[i-1]=='1')),
			x + (A[i]!=B[i] && A[i-1]==B[i-1]));
	}

	cout<<f(f(D[n][0], D[n][1]), D[n][2])<<'\n';

	return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	380 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	420 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	392 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	500 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	380 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	380 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	380 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	420 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	392 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	500 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	380 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	380 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	392 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	380 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct
49	Correct	2 ms	376 KB	Output is correct
50	Correct	2 ms	376 KB	Output is correct
51	Correct	2 ms	376 KB	Output is correct
52	Correct	2 ms	376 KB	Output is correct
53	Correct	2 ms	380 KB	Output is correct
54	Correct	2 ms	376 KB	Output is correct
55	Correct	2 ms	376 KB	Output is correct
56	Correct	2 ms	376 KB	Output is correct
57	Correct	2 ms	376 KB	Output is correct
58	Correct	2 ms	376 KB	Output is correct

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	20 ms	15992 KB	Output is correct
8	Correct	21 ms	15992 KB	Output is correct
9	Correct	20 ms	15992 KB	Output is correct
10	Correct	20 ms	15992 KB	Output is correct
11	Correct	20 ms	15952 KB	Output is correct
12	Correct	20 ms	15992 KB	Output is correct
13	Correct	20 ms	15992 KB	Output is correct
14	Correct	21 ms	15992 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	380 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	420 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	392 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	500 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	380 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	376 KB	Output is correct
33	Correct	2 ms	380 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	392 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	380 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 KB	Output is correct
47	Correct	2 ms	376 KB	Output is correct
48	Correct	2 ms	376 KB	Output is correct
49	Correct	2 ms	376 KB	Output is correct
50	Correct	2 ms	376 KB	Output is correct
51	Correct	2 ms	376 KB	Output is correct
52	Correct	2 ms	376 KB	Output is correct
53	Correct	2 ms	380 KB	Output is correct
54	Correct	2 ms	376 KB	Output is correct
55	Correct	2 ms	376 KB	Output is correct
56	Correct	2 ms	376 KB	Output is correct
57	Correct	2 ms	376 KB	Output is correct
58	Correct	2 ms	376 KB	Output is correct
59	Correct	2 ms	376 KB	Output is correct
60	Correct	2 ms	376 KB	Output is correct
61	Correct	2 ms	376 KB	Output is correct
62	Correct	2 ms	376 KB	Output is correct
63	Correct	2 ms	376 KB	Output is correct
64	Correct	2 ms	376 KB	Output is correct
65	Correct	20 ms	15992 KB	Output is correct
66	Correct	21 ms	15992 KB	Output is correct
67	Correct	20 ms	15992 KB	Output is correct
68	Correct	20 ms	15992 KB	Output is correct
69	Correct	20 ms	15952 KB	Output is correct
70	Correct	20 ms	15992 KB	Output is correct
71	Correct	20 ms	15992 KB	Output is correct
72	Correct	21 ms	15992 KB	Output is correct
73	Correct	20 ms	15992 KB	Output is correct
74	Correct	20 ms	15992 KB	Output is correct
75	Correct	20 ms	15964 KB	Output is correct
76	Correct	20 ms	15992 KB	Output is correct
77	Correct	20 ms	16020 KB	Output is correct
78	Correct	20 ms	15992 KB	Output is correct
79	Correct	20 ms	15992 KB	Output is correct
80	Correct	21 ms	15992 KB	Output is correct
81	Correct	20 ms	15992 KB	Output is correct
82	Correct	20 ms	15992 KB	Output is correct
83	Correct	25 ms	15992 KB	Output is correct
84	Correct	25 ms	15992 KB	Output is correct
85	Correct	24 ms	15992 KB	Output is correct
86	Correct	24 ms	15992 KB	Output is correct
87	Correct	25 ms	15992 KB	Output is correct
88	Correct	25 ms	15996 KB	Output is correct
89	Correct	25 ms	15992 KB	Output is correct
90	Correct	25 ms	15992 KB	Output is correct
91	Correct	27 ms	15992 KB	Output is correct
92	Correct	28 ms	15992 KB	Output is correct
93	Correct	29 ms	15992 KB	Output is correct
94	Correct	29 ms	16120 KB	Output is correct
95	Correct	29 ms	15992 KB	Output is correct
96	Correct	29 ms	15992 KB	Output is correct
97	Correct	29 ms	15992 KB	Output is correct
98	Correct	28 ms	15992 KB	Output is correct
99	Correct	29 ms	16120 KB	Output is correct
100	Correct	29 ms	15992 KB	Output is correct
101	Correct	29 ms	15992 KB	Output is correct
102	Correct	32 ms	15964 KB	Output is correct

Submission #159663

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