답안 #105172

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
105172	2019-04-10T21:34:01 Z	reality	Lamps (JOI19_lamps)	C++17	100 / 100	397 ms	35704 KB

lamp

#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define vii vector < pii >
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class P , class Q > ostream& operator<<(ostream& stream, pair < P , Q > v){ stream << "(" << v.fi << ',' << v.se << ")"; return stream;}
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
const int N = 1e6 + 5;
const int oo = 1e9;
char A[N];
char B[N];
int dp[N][2][2][2];
int main(void) {
    int n;
    cin>>n;
    cin>>(A+1)>>(B+1);
    for (int i = 0;i <= n;++i)
    	for (int a = 0;a < 2;++a)
    		for (int b = 0;b < 2;++b)
    			for (int c = 0;c < 2;++c)
    				dp[i][a][b][c] = oo;
    dp[0][0][0][0] = 0;
    for (int i = 1;i <= n;++i) {
    	for (int a = 0;a < 2;++a)
    		for (int b = 0;b < 2;++b)
    			if (!a || !b)
    				for (int c = 0;c < 2;++c)
    					for (int d = 0;d < 2;++d)
    						if (!c || !d)
    							for (int e = 0;e < 2;++e) 
	    							for (int f = 0;f < 2;++f) {
	    								if (c) {
	    									if ((B[i] == '0') ^ e ^ 1) {
	    										continue;
	    									}
	    								} else
	    								if (d) {
	    									if ((B[i] == '1') ^ e ^ 1) {
	    										continue;
	    									}
	    								} else
	    								if (!c && !d) {
	    									if ((A[i] == B[i]) ^ e ^ 1) {
	    										continue;
	    									}
	    								}
	    								smin(dp[i][c][d][e],dp[i - 1][a][b][f] + (c && c != a) + (d && d != b) + (e && e != f));
	    							}
    }
    int ans = oo;
    for (int a = 0;a < 2;++a)
    	for (int b = 0;b < 2;++b)
    		for (int c = 0;c < 2;++c)
    			smin(ans,dp[n][a][b][c]);
    cout << ans << '\n';
    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	460 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct
33	Correct	2 ms	256 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	460 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct
33	Correct	2 ms	256 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	2 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct
38	Correct	2 ms	384 KB	Output is correct
39	Correct	2 ms	384 KB	Output is correct
40	Correct	3 ms	384 KB	Output is correct
41	Correct	3 ms	384 KB	Output is correct
42	Correct	3 ms	384 KB	Output is correct
43	Correct	3 ms	384 KB	Output is correct
44	Correct	3 ms	384 KB	Output is correct
45	Correct	2 ms	384 KB	Output is correct
46	Correct	3 ms	384 KB	Output is correct
47	Correct	3 ms	384 KB	Output is correct
48	Correct	3 ms	384 KB	Output is correct
49	Correct	2 ms	384 KB	Output is correct
50	Correct	3 ms	384 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	2 ms	384 KB	Output is correct
53	Correct	3 ms	256 KB	Output is correct
54	Correct	3 ms	384 KB	Output is correct
55	Correct	3 ms	384 KB	Output is correct
56	Correct	2 ms	384 KB	Output is correct
57	Correct	2 ms	384 KB	Output is correct
58	Correct	2 ms	384 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	295 ms	33716 KB	Output is correct
8	Correct	317 ms	33656 KB	Output is correct
9	Correct	284 ms	33656 KB	Output is correct
10	Correct	299 ms	33624 KB	Output is correct
11	Correct	303 ms	33716 KB	Output is correct
12	Correct	274 ms	33656 KB	Output is correct
13	Correct	284 ms	33656 KB	Output is correct
14	Correct	268 ms	33656 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	3 ms	384 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	460 KB	Output is correct
21	Correct	2 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	2 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct
33	Correct	2 ms	256 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	2 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct
38	Correct	2 ms	384 KB	Output is correct
39	Correct	2 ms	384 KB	Output is correct
40	Correct	3 ms	384 KB	Output is correct
41	Correct	3 ms	384 KB	Output is correct
42	Correct	3 ms	384 KB	Output is correct
43	Correct	3 ms	384 KB	Output is correct
44	Correct	3 ms	384 KB	Output is correct
45	Correct	2 ms	384 KB	Output is correct
46	Correct	3 ms	384 KB	Output is correct
47	Correct	3 ms	384 KB	Output is correct
48	Correct	3 ms	384 KB	Output is correct
49	Correct	2 ms	384 KB	Output is correct
50	Correct	3 ms	384 KB	Output is correct
51	Correct	3 ms	384 KB	Output is correct
52	Correct	2 ms	384 KB	Output is correct
53	Correct	3 ms	256 KB	Output is correct
54	Correct	3 ms	384 KB	Output is correct
55	Correct	3 ms	384 KB	Output is correct
56	Correct	2 ms	384 KB	Output is correct
57	Correct	2 ms	384 KB	Output is correct
58	Correct	2 ms	384 KB	Output is correct
59	Correct	2 ms	384 KB	Output is correct
60	Correct	2 ms	384 KB	Output is correct
61	Correct	2 ms	384 KB	Output is correct
62	Correct	3 ms	384 KB	Output is correct
63	Correct	2 ms	384 KB	Output is correct
64	Correct	2 ms	384 KB	Output is correct
65	Correct	295 ms	33716 KB	Output is correct
66	Correct	317 ms	33656 KB	Output is correct
67	Correct	284 ms	33656 KB	Output is correct
68	Correct	299 ms	33624 KB	Output is correct
69	Correct	303 ms	33716 KB	Output is correct
70	Correct	274 ms	33656 KB	Output is correct
71	Correct	284 ms	33656 KB	Output is correct
72	Correct	268 ms	33656 KB	Output is correct
73	Correct	281 ms	35576 KB	Output is correct
74	Correct	288 ms	35548 KB	Output is correct
75	Correct	307 ms	35580 KB	Output is correct
76	Correct	285 ms	35580 KB	Output is correct
77	Correct	313 ms	35576 KB	Output is correct
78	Correct	299 ms	35576 KB	Output is correct
79	Correct	331 ms	35556 KB	Output is correct
80	Correct	300 ms	35576 KB	Output is correct
81	Correct	302 ms	35580 KB	Output is correct
82	Correct	312 ms	35704 KB	Output is correct
83	Correct	305 ms	35576 KB	Output is correct
84	Correct	325 ms	35704 KB	Output is correct
85	Correct	311 ms	35444 KB	Output is correct
86	Correct	286 ms	35576 KB	Output is correct
87	Correct	292 ms	35676 KB	Output is correct
88	Correct	296 ms	35604 KB	Output is correct
89	Correct	276 ms	35560 KB	Output is correct
90	Correct	285 ms	35576 KB	Output is correct
91	Correct	292 ms	35576 KB	Output is correct
92	Correct	291 ms	35576 KB	Output is correct
93	Correct	314 ms	35616 KB	Output is correct
94	Correct	397 ms	35640 KB	Output is correct
95	Correct	346 ms	35540 KB	Output is correct
96	Correct	278 ms	35628 KB	Output is correct
97	Correct	309 ms	35576 KB	Output is correct
98	Correct	306 ms	35584 KB	Output is correct
99	Correct	344 ms	35452 KB	Output is correct
100	Correct	281 ms	35576 KB	Output is correct
101	Correct	285 ms	35584 KB	Output is correct
102	Correct	383 ms	35448 KB	Output is correct

답안 #105172

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