답안 #410312

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
410312	2021-05-22T13:30:32 Z	amoo_safar	Lamps (JOI19_lamps)	C++17	100 / 100	176 ms	4456 KB

lamp

// vaziat meshki-ghermeze !
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

int dp[4][2];
int nx[4][2];


int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n;
	str A, B;
	cin >> n;
	cin >> A >> B;

	memset(dp, 31, sizeof dp);
	dp[0][0] = 0;
	for(int i = 0; i < n; i++){
		int nw = A[i] - '0';
		int rq = B[i] - '0';
		memset(nx, 31, sizeof nx);
		for(int bl = 0; bl < 4; bl ++) for(int xo = 0; xo < 2; xo ++) for(int set = 0; set < 3; set ++){
			int co = set == 2 ? nw : set;
			
			int xxor = co != rq;
			int nw_bl = 1;
			int la = -1;
			if(i > 0){
				if(bl > 0)
					la = (B[i-1]-'0') ^ xo;
			}
			if(set == 2) nw_bl = 0;
			else {
				if(i == 0)
					nw_bl = 1;
				else
					nw_bl = bl + (la != set);
			}
			bool change = nw_bl != bl;

			if(nw_bl == 4)
				nw_bl = 2;
			nx[nw_bl][xxor] = min(nx[nw_bl][xxor], dp[bl][xo] + (((nw_bl == 1) || (nw_bl == 2)) && change) + (xxor > xo));
		}
		swap(nx, dp);
	}
	int ans = n;
	for(int i = 0; i < 8; i++)
		ans = min(ans, dp[i >> 1][i & 1]);
	cout << ans << '\n';
	return 0;
}
/*
7
1010010
0000111

4
1010
0000

*/

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	2 ms	300 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	308 KB	Output is correct
47	Correct	1 ms	316 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	308 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	204 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	160 ms	2664 KB	Output is correct
8	Correct	159 ms	2664 KB	Output is correct
9	Correct	158 ms	2664 KB	Output is correct
10	Correct	158 ms	2664 KB	Output is correct
11	Correct	167 ms	2664 KB	Output is correct
12	Correct	149 ms	2664 KB	Output is correct
13	Correct	152 ms	2664 KB	Output is correct
14	Correct	150 ms	2664 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	2 ms	300 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	308 KB	Output is correct
47	Correct	1 ms	316 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	308 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	204 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	1 ms	204 KB	Output is correct
60	Correct	1 ms	204 KB	Output is correct
61	Correct	1 ms	204 KB	Output is correct
62	Correct	1 ms	204 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	204 KB	Output is correct
65	Correct	160 ms	2664 KB	Output is correct
66	Correct	159 ms	2664 KB	Output is correct
67	Correct	158 ms	2664 KB	Output is correct
68	Correct	158 ms	2664 KB	Output is correct
69	Correct	167 ms	2664 KB	Output is correct
70	Correct	149 ms	2664 KB	Output is correct
71	Correct	152 ms	2664 KB	Output is correct
72	Correct	150 ms	2664 KB	Output is correct
73	Correct	154 ms	4368 KB	Output is correct
74	Correct	162 ms	4384 KB	Output is correct
75	Correct	159 ms	4340 KB	Output is correct
76	Correct	160 ms	4368 KB	Output is correct
77	Correct	159 ms	4352 KB	Output is correct
78	Correct	170 ms	4356 KB	Output is correct
79	Correct	160 ms	4328 KB	Output is correct
80	Correct	160 ms	4372 KB	Output is correct
81	Correct	160 ms	4328 KB	Output is correct
82	Correct	172 ms	4368 KB	Output is correct
83	Correct	153 ms	4356 KB	Output is correct
84	Correct	152 ms	4356 KB	Output is correct
85	Correct	174 ms	4328 KB	Output is correct
86	Correct	151 ms	4352 KB	Output is correct
87	Correct	153 ms	4364 KB	Output is correct
88	Correct	157 ms	4388 KB	Output is correct
89	Correct	173 ms	4396 KB	Output is correct
90	Correct	153 ms	4404 KB	Output is correct
91	Correct	155 ms	4356 KB	Output is correct
92	Correct	156 ms	4348 KB	Output is correct
93	Correct	157 ms	4328 KB	Output is correct
94	Correct	157 ms	4356 KB	Output is correct
95	Correct	160 ms	4456 KB	Output is correct
96	Correct	158 ms	4392 KB	Output is correct
97	Correct	161 ms	4364 KB	Output is correct
98	Correct	156 ms	4372 KB	Output is correct
99	Correct	156 ms	4376 KB	Output is correct
100	Correct	157 ms	4352 KB	Output is correct
101	Correct	176 ms	4360 KB	Output is correct
102	Correct	156 ms	4372 KB	Output is correct

답안 #410312

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