Submission #708909

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
708909	2023-03-12T16:22:52 Z	alvingogo	Lamps (JOI19_lamps)	C++14	100 / 100	33 ms	16200 KB

lamp

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

int main(){
    AquA;
	int n;
	cin >> n;
	string a,b;
	cin >> a >> b;
	vector<array<int,3> > dp(n);
	dp[0][0]=1+(0!=b[0]-'0');
	dp[0][1]=1+(1!=b[0]-'0');
	dp[0][2]=(a[0]!=b[0]);
	for(int i=1;i<n;i++){
		dp[i][0]=dp[i][1]=dp[i][2]=1e9;
		for(int j=0;j<3;j++){
			for(int k=0;k<3;k++){
				int c=j;
				if(c==2){
					c=a[i-1]-'0';
				}
				int d=k;
				if(d==2){
					d=a[i]-'0';
				}
				int cnt=0,cz=0;
				if(k<=1 && k!=j){
					cnt=1;
				}
				if(d!=b[i]-'0' && c==b[i-1]-'0'){
					cz=1;
				}
				dp[i][k]=min(dp[i][k],dp[i-1][j]+cnt+cz);
			}
		}
	}
	cout << min({dp[n-1][0],dp[n-1][1],dp[n-1][2]}) << "\n";
    return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	316 KB	Output is correct
13	Correct	1 ms	280 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	316 KB	Output is correct
13	Correct	1 ms	280 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	324 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	340 KB	Output is correct
47	Correct	1 ms	340 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	320 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	316 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	27 ms	16104 KB	Output is correct
8	Correct	25 ms	16060 KB	Output is correct
9	Correct	21 ms	16032 KB	Output is correct
10	Correct	21 ms	16200 KB	Output is correct
11	Correct	23 ms	16112 KB	Output is correct
12	Correct	24 ms	16080 KB	Output is correct
13	Correct	23 ms	16076 KB	Output is correct
14	Correct	23 ms	16036 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	316 KB	Output is correct
13	Correct	1 ms	280 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	324 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	340 KB	Output is correct
47	Correct	1 ms	340 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	320 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	316 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	316 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	27 ms	16104 KB	Output is correct
66	Correct	25 ms	16060 KB	Output is correct
67	Correct	21 ms	16032 KB	Output is correct
68	Correct	21 ms	16200 KB	Output is correct
69	Correct	23 ms	16112 KB	Output is correct
70	Correct	24 ms	16080 KB	Output is correct
71	Correct	23 ms	16076 KB	Output is correct
72	Correct	23 ms	16036 KB	Output is correct
73	Correct	21 ms	16040 KB	Output is correct
74	Correct	21 ms	16092 KB	Output is correct
75	Correct	23 ms	16100 KB	Output is correct
76	Correct	23 ms	16100 KB	Output is correct
77	Correct	25 ms	16100 KB	Output is correct
78	Correct	22 ms	16084 KB	Output is correct
79	Correct	21 ms	16084 KB	Output is correct
80	Correct	32 ms	16088 KB	Output is correct
81	Correct	26 ms	16172 KB	Output is correct
82	Correct	22 ms	16080 KB	Output is correct
83	Correct	32 ms	16104 KB	Output is correct
84	Correct	26 ms	16084 KB	Output is correct
85	Correct	27 ms	16052 KB	Output is correct
86	Correct	26 ms	16028 KB	Output is correct
87	Correct	26 ms	16104 KB	Output is correct
88	Correct	26 ms	16100 KB	Output is correct
89	Correct	27 ms	15988 KB	Output is correct
90	Correct	27 ms	16028 KB	Output is correct
91	Correct	28 ms	16156 KB	Output is correct
92	Correct	29 ms	16008 KB	Output is correct
93	Correct	30 ms	16064 KB	Output is correct
94	Correct	30 ms	16100 KB	Output is correct
95	Correct	33 ms	16088 KB	Output is correct
96	Correct	32 ms	16036 KB	Output is correct
97	Correct	32 ms	16064 KB	Output is correct
98	Correct	32 ms	16084 KB	Output is correct
99	Correct	32 ms	16024 KB	Output is correct
100	Correct	30 ms	16092 KB	Output is correct
101	Correct	33 ms	16060 KB	Output is correct
102	Correct	29 ms	16032 KB	Output is correct

Submission #708909

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