답안 #211170

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
211170	2020-03-19T10:52:05 Z	amiratou	Lamps (JOI19_lamps)	C++14	100 / 100	49 ms	3612 KB

lamp

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define rando mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define fi first
#define se second
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl;
#define sep() cerr << "--------------------" << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ld long double
#define ll long long
//#define int ll
#define ii pair<int,int>
#define v vector<int>
#define vii vector<ii>
#define vv vector<vector<int> >
#define mp make_pair
#define INF 1000000000
#define pb push_back
#define EPS 1e-9
const int MOD = 1000000007; // 998244353
int dp[2][2][3],n;
string A,B;
char conv(char a,int t,int s){
	if(!s)a='0';
	if(s==1)a='1';
	if(t)a=(char)(1-(int)(a-'0')+'0');
	return a;
}
int32_t main(){
	boost;
	//freopen(".in","r",stdin);
	cin>>n>>A>>B;
	for (int i = 0; i < 2; ++i)
		for (int j = 0; j < 2; ++j)
			for (int z = 0; z < 3; ++z)
				dp[i][j][z]=INF;
	dp[0][0][2]=0;
	for (int idx = 0; idx < n; ++idx)
	{
		for (int t = 0; t < 2; ++t)
			for (int s = 0; s < 3; ++s)
				for (int i = 0; i < 2; ++i)
					for (int j = 0; j < 3; ++j)
					{
						int cost=0;
						cost+=(i?(i!=t):0)+((j!=2)?(j!=s):0);
						if(conv(A[idx],i,j)!=B[idx])continue;
						dp[(idx+1)&1][i][j]=min(dp[(idx+1)&1][i][j],dp[idx&1][t][s]+cost);
					}
		for (int j = 0; j < 2; ++j)
			for (int z = 0; z < 3; ++z)
				dp[idx&1][j][z]=INF;
	}
	int ans=INF;
	for (int i = 0; i < 2; ++i)
		for (int j = 0; j < 3; ++j)ans=min(ans,dp[n&1][i][j]);
	cout<<ans;
	return 0;
}
//long long
//array bounds
//special cases
//binary search

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	512 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	512 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	5 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	5 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	5 ms	384 KB	Output is correct
43	Correct	5 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Correct	5 ms	384 KB	Output is correct
46	Correct	5 ms	384 KB	Output is correct
47	Correct	5 ms	384 KB	Output is correct
48	Correct	5 ms	384 KB	Output is correct
49	Correct	5 ms	384 KB	Output is correct
50	Correct	5 ms	384 KB	Output is correct
51	Correct	5 ms	384 KB	Output is correct
52	Correct	5 ms	384 KB	Output is correct
53	Correct	5 ms	384 KB	Output is correct
54	Correct	5 ms	384 KB	Output is correct
55	Correct	5 ms	384 KB	Output is correct
56	Correct	5 ms	384 KB	Output is correct
57	Correct	5 ms	384 KB	Output is correct
58	Correct	5 ms	384 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	36 ms	3612 KB	Output is correct
8	Correct	37 ms	3612 KB	Output is correct
9	Correct	36 ms	3612 KB	Output is correct
10	Correct	37 ms	3612 KB	Output is correct
11	Correct	37 ms	3612 KB	Output is correct
12	Correct	36 ms	3612 KB	Output is correct
13	Correct	36 ms	3612 KB	Output is correct
14	Correct	36 ms	3612 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	512 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	5 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	5 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	5 ms	384 KB	Output is correct
43	Correct	5 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Correct	5 ms	384 KB	Output is correct
46	Correct	5 ms	384 KB	Output is correct
47	Correct	5 ms	384 KB	Output is correct
48	Correct	5 ms	384 KB	Output is correct
49	Correct	5 ms	384 KB	Output is correct
50	Correct	5 ms	384 KB	Output is correct
51	Correct	5 ms	384 KB	Output is correct
52	Correct	5 ms	384 KB	Output is correct
53	Correct	5 ms	384 KB	Output is correct
54	Correct	5 ms	384 KB	Output is correct
55	Correct	5 ms	384 KB	Output is correct
56	Correct	5 ms	384 KB	Output is correct
57	Correct	5 ms	384 KB	Output is correct
58	Correct	5 ms	384 KB	Output is correct
59	Correct	5 ms	384 KB	Output is correct
60	Correct	5 ms	384 KB	Output is correct
61	Correct	5 ms	384 KB	Output is correct
62	Correct	5 ms	384 KB	Output is correct
63	Correct	5 ms	384 KB	Output is correct
64	Correct	5 ms	384 KB	Output is correct
65	Correct	36 ms	3612 KB	Output is correct
66	Correct	37 ms	3612 KB	Output is correct
67	Correct	36 ms	3612 KB	Output is correct
68	Correct	37 ms	3612 KB	Output is correct
69	Correct	37 ms	3612 KB	Output is correct
70	Correct	36 ms	3612 KB	Output is correct
71	Correct	36 ms	3612 KB	Output is correct
72	Correct	36 ms	3612 KB	Output is correct
73	Correct	37 ms	3356 KB	Output is correct
74	Correct	37 ms	3356 KB	Output is correct
75	Correct	36 ms	3356 KB	Output is correct
76	Correct	36 ms	3356 KB	Output is correct
77	Correct	36 ms	3356 KB	Output is correct
78	Correct	37 ms	3408 KB	Output is correct
79	Correct	37 ms	3356 KB	Output is correct
80	Correct	36 ms	3356 KB	Output is correct
81	Correct	38 ms	3356 KB	Output is correct
82	Correct	38 ms	3356 KB	Output is correct
83	Correct	42 ms	3288 KB	Output is correct
84	Correct	41 ms	3356 KB	Output is correct
85	Correct	42 ms	3356 KB	Output is correct
86	Correct	42 ms	3356 KB	Output is correct
87	Correct	42 ms	3484 KB	Output is correct
88	Correct	44 ms	3356 KB	Output is correct
89	Correct	42 ms	3356 KB	Output is correct
90	Correct	42 ms	3356 KB	Output is correct
91	Correct	46 ms	3356 KB	Output is correct
92	Correct	45 ms	3348 KB	Output is correct
93	Correct	49 ms	3356 KB	Output is correct
94	Correct	49 ms	3356 KB	Output is correct
95	Correct	46 ms	3356 KB	Output is correct
96	Correct	46 ms	3356 KB	Output is correct
97	Correct	46 ms	3356 KB	Output is correct
98	Correct	47 ms	3356 KB	Output is correct
99	Correct	46 ms	3348 KB	Output is correct
100	Correct	47 ms	3356 KB	Output is correct
101	Correct	48 ms	3356 KB	Output is correct
102	Correct	46 ms	3356 KB	Output is correct

답안 #211170

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