Submission #485427

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
485427	2021-11-07T17:54:30 Z	cheissmart	Lamps (JOI19_lamps)	C++14	100 / 100	54 ms	6312 KB

lamp

#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define MP make_pair
#define EB emplace_back
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

string _reset = "\u001b[0m", _yellow = "\u001b[33m", _bold = "\u001b[1m";
void DBG() { cerr << "]" << _reset << endl; }
template<class H, class...T> void DBG(H h, T ...t) {
	cerr << to_string(h);
	if(sizeof ...(t)) cerr << ", ";
	DBG(t...);
}
#ifdef CHEISSMART
#define debug(...) cerr << _yellow << _bold << "Line(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define debug(...)
#endif

const int INF = 1e9 + 7;

signed main()
{
	IO_OP;

	int n;
	string s, t;
	cin >> n >> s >> t;
	s = '0' + s, t = '0' + t;
	vi dp{0, INF, INF};
	// nothing, change to 0, change to 1
	for(int i = 1; i <= n; i++) {
		vi ndp{INF, INF, INF};
		for(int j = 0; j < 3; j++) {
			int ps = j == 0 ? s[i - 1] - '0' : j - 1, pt = t[i - 1] - '0';
			for(int k = 0; k < 3; k++) {
				int ns = k == 0 ? s[i] - '0' : k - 1, nt = t[i] - '0';
				int cost = 0;
				if(k && k != j) cost++;
				if((ps ^ pt) == 0 && (ns ^ nt) == 1)
					cost++;
				ndp[k] = min(ndp[k], dp[j] + cost);
			}
		}
		swap(dp, ndp);
	}
	cout << *min_element(ALL(dp)) << '\n';

}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	1 ms	312 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	316 KB	Output is correct

Subtask #2
41.0 / 41.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	1 ms	312 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	316 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	0 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	0 ms	204 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	0 ms	204 KB	Output is correct
51	Correct	0 ms	204 KB	Output is correct
52	Correct	0 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	0 ms	316 KB	Output is correct
56	Correct	1 ms	204 KB	Output is correct
57	Correct	0 ms	204 KB	Output is correct
58	Correct	0 ms	204 KB	Output is correct

Subtask #3
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	42 ms	6224 KB	Output is correct
8	Correct	40 ms	6300 KB	Output is correct
9	Correct	40 ms	6304 KB	Output is correct
10	Correct	41 ms	6300 KB	Output is correct
11	Correct	39 ms	6304 KB	Output is correct
12	Correct	37 ms	6304 KB	Output is correct
13	Correct	39 ms	6292 KB	Output is correct
14	Correct	40 ms	6224 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	1 ms	312 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	316 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	0 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	0 ms	204 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	0 ms	204 KB	Output is correct
51	Correct	0 ms	204 KB	Output is correct
52	Correct	0 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	0 ms	316 KB	Output is correct
56	Correct	1 ms	204 KB	Output is correct
57	Correct	0 ms	204 KB	Output is correct
58	Correct	0 ms	204 KB	Output is correct
59	Correct	0 ms	204 KB	Output is correct
60	Correct	0 ms	204 KB	Output is correct
61	Correct	0 ms	204 KB	Output is correct
62	Correct	0 ms	204 KB	Output is correct
63	Correct	0 ms	204 KB	Output is correct
64	Correct	1 ms	204 KB	Output is correct
65	Correct	42 ms	6224 KB	Output is correct
66	Correct	40 ms	6300 KB	Output is correct
67	Correct	40 ms	6304 KB	Output is correct
68	Correct	41 ms	6300 KB	Output is correct
69	Correct	39 ms	6304 KB	Output is correct
70	Correct	37 ms	6304 KB	Output is correct
71	Correct	39 ms	6292 KB	Output is correct
72	Correct	40 ms	6224 KB	Output is correct
73	Correct	40 ms	6300 KB	Output is correct
74	Correct	42 ms	6300 KB	Output is correct
75	Correct	39 ms	6300 KB	Output is correct
76	Correct	38 ms	6300 KB	Output is correct
77	Correct	40 ms	6300 KB	Output is correct
78	Correct	38 ms	6296 KB	Output is correct
79	Correct	41 ms	6304 KB	Output is correct
80	Correct	39 ms	6296 KB	Output is correct
81	Correct	39 ms	6312 KB	Output is correct
82	Correct	38 ms	6304 KB	Output is correct
83	Correct	51 ms	6300 KB	Output is correct
84	Correct	47 ms	6300 KB	Output is correct
85	Correct	47 ms	6300 KB	Output is correct
86	Correct	47 ms	6300 KB	Output is correct
87	Correct	46 ms	6256 KB	Output is correct
88	Correct	46 ms	6300 KB	Output is correct
89	Correct	46 ms	6300 KB	Output is correct
90	Correct	50 ms	6288 KB	Output is correct
91	Correct	49 ms	6292 KB	Output is correct
92	Correct	51 ms	6300 KB	Output is correct
93	Correct	51 ms	6312 KB	Output is correct
94	Correct	50 ms	6300 KB	Output is correct
95	Correct	51 ms	6300 KB	Output is correct
96	Correct	52 ms	6300 KB	Output is correct
97	Correct	52 ms	6300 KB	Output is correct
98	Correct	54 ms	6288 KB	Output is correct
99	Correct	52 ms	6304 KB	Output is correct
100	Correct	51 ms	6304 KB	Output is correct
101	Correct	51 ms	6304 KB	Output is correct
102	Correct	51 ms	6304 KB	Output is correct

Submission #485427

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