답안 #217431

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
217431	2020-03-29T15:43:30 Z	pit4h	Lamps (JOI19_lamps)	C++14	100 / 100	323 ms	4556 KB

lamp

#include<bits/stdc++.h>
using namespace std;
int dp[2][4][4][4], dp1[2][4], dp2[2][4][4];
int main() {
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int n;
	string s, t;
	cin>>n>>s>>t;
	for(int i=0; i<=1; ++i) {
		for(int a=0; a<=3; ++a) {
			for(int b=0; b<=3; ++b) {
				for(int c=0; c<=3; ++c) {
					dp[i][a][b][c] = n;
				}
			}
		}
	}
	dp[0][0][0][0]=0;
	for(int a=1; a<=3; ++a) {
		dp1[0][a]=n;
		for(int b=1; b<=3; ++b) {
			dp2[0][a][b]=n;
		}
	}
	for(int i=1; i<=n; ++i) {
		int v1 = n;
		for(int a=0; a<=3; ++a) {
			for(int b=0; b<=3; ++b) {
				for(int c=0; c<=3; ++c) {
					dp[i%2][a][b][c]=n;
					v1 = min(v1, dp[(i+1)%2][a][b][c]);
				}
			}
		}
		if(s[i-1]==t[i-1]) {
			dp[i%2][0][0][0] = v1;
		}
		for(int a=1; a<=3; ++a) {
			if((a==1 && t[i-1]=='0') || (a==2 && t[i-1]=='1') || (a==3 && s[i-1]!=t[i-1])) {
				dp[i%2][a][0][0] = min(v1+1, dp1[(i+1)%2][a]);
			}
			for(int b=1; b<=3; ++b) {
				if(b==a) continue;
				if((a==1 && t[i-1]=='0') || (a==2 && t[i-1]=='1') || (a==3 && ((b==1 && t[i-1]=='1') || (b==2 && t[i-1]=='0')))) {
					dp[i%2][a][b][0] = min(v1+2, min(dp1[(i+1)%2][a], dp1[(i+1)%2][b])+1);
					dp[i%2][a][b][0] = min(dp[i%2][a][b][0], dp2[(i+1)%2][a][b]); 	
				}
				else {
					continue;
				}
				for(int c=1; c<=3; ++c) {
					if(c==a || c==b) continue;
					dp[i%2][a][b][c] = min(v1+3, min(dp1[(i+1)%2][a], min(dp1[(i+1)%2][b], dp1[(i+1)%2][c]))+2);
					dp[i%2][a][b][c] = min(dp[i%2][a][b][c], min(dp2[(i+1)%2][a][b], min(dp2[(i+1)%2][a][c], dp2[(i+1)%2][b][c]))+1);
					dp[i%2][a][b][c] = min(dp[i%2][a][b][c], dp[(i+1)%2][a][b][c]); 	
				}
			}
		}
		for(int a=1; a<=3; ++a) {
			dp1[i%2][a]=n;
			for(int j=0; j<=3; ++j) {
				for(int k=0; k<=3; ++k) {
					dp1[i%2][a] = min(dp1[i%2][a], dp[i%2][a][j][k]);
					dp1[i%2][a] = min(dp1[i%2][a], dp[i%2][j][a][k]);
					dp1[i%2][a] = min(dp1[i%2][a], dp[i%2][j][k][a]);
				}
			}
			for(int b=1; b<=3; ++b) {
				dp2[i%2][a][b]=n;
				for(int j=0; j<=3; ++j) {
					dp2[i%2][a][b] = min(dp2[i%2][a][b], dp[i%2][a][b][j]);
					dp2[i%2][a][b] = min(dp2[i%2][a][b], dp[i%2][j][a][b]);
				}
			}
		}
	}
	int ans = n;
	for(int a=0; a<=3; ++a) {
		for(int b=0; b<=3; ++b) {
			for(int c=0; c<=3; ++c) {
				ans = min(ans, dp[n%2][a][b][c]);
			}
		}
	}
	cout<<ans;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 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	4 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	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	4 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	4 ms	384 KB	Output is correct
22	Correct	6 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	4 ms	384 KB	Output is correct
27	Correct	4 ms	384 KB	Output is correct
28	Correct	4 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	4 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	4 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	4 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	4 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	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	4 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	4 ms	384 KB	Output is correct
22	Correct	6 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	4 ms	384 KB	Output is correct
27	Correct	4 ms	384 KB	Output is correct
28	Correct	4 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	4 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	4 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	6 ms	384 KB	Output is correct
40	Correct	5 ms	384 KB	Output is correct
41	Correct	6 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	6 ms	384 KB	Output is correct
51	Correct	5 ms	512 KB	Output is correct
52	Correct	6 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	4 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	290 ms	4380 KB	Output is correct
8	Correct	298 ms	4380 KB	Output is correct
9	Correct	302 ms	4508 KB	Output is correct
10	Correct	296 ms	4380 KB	Output is correct
11	Correct	303 ms	4508 KB	Output is correct
12	Correct	289 ms	4380 KB	Output is correct
13	Correct	291 ms	4380 KB	Output is correct
14	Correct	291 ms	4380 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 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	4 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	4 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	4 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	4 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	4 ms	384 KB	Output is correct
22	Correct	6 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	4 ms	384 KB	Output is correct
27	Correct	4 ms	384 KB	Output is correct
28	Correct	4 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	4 ms	384 KB	Output is correct
32	Correct	5 ms	384 KB	Output is correct
33	Correct	4 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	6 ms	384 KB	Output is correct
40	Correct	5 ms	384 KB	Output is correct
41	Correct	6 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	6 ms	384 KB	Output is correct
51	Correct	5 ms	512 KB	Output is correct
52	Correct	6 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	4 ms	384 KB	Output is correct
60	Correct	4 ms	384 KB	Output is correct
61	Correct	4 ms	384 KB	Output is correct
62	Correct	4 ms	384 KB	Output is correct
63	Correct	4 ms	384 KB	Output is correct
64	Correct	5 ms	384 KB	Output is correct
65	Correct	290 ms	4380 KB	Output is correct
66	Correct	298 ms	4380 KB	Output is correct
67	Correct	302 ms	4508 KB	Output is correct
68	Correct	296 ms	4380 KB	Output is correct
69	Correct	303 ms	4508 KB	Output is correct
70	Correct	289 ms	4380 KB	Output is correct
71	Correct	291 ms	4380 KB	Output is correct
72	Correct	291 ms	4380 KB	Output is correct
73	Correct	314 ms	4556 KB	Output is correct
74	Correct	297 ms	4436 KB	Output is correct
75	Correct	303 ms	4436 KB	Output is correct
76	Correct	304 ms	4552 KB	Output is correct
77	Correct	297 ms	4436 KB	Output is correct
78	Correct	304 ms	4436 KB	Output is correct
79	Correct	297 ms	4436 KB	Output is correct
80	Correct	312 ms	4552 KB	Output is correct
81	Correct	297 ms	4508 KB	Output is correct
82	Correct	297 ms	4552 KB	Output is correct
83	Correct	305 ms	4548 KB	Output is correct
84	Correct	301 ms	4508 KB	Output is correct
85	Correct	303 ms	4548 KB	Output is correct
86	Correct	306 ms	4508 KB	Output is correct
87	Correct	304 ms	4548 KB	Output is correct
88	Correct	306 ms	4548 KB	Output is correct
89	Correct	298 ms	4436 KB	Output is correct
90	Correct	306 ms	4444 KB	Output is correct
91	Correct	305 ms	4436 KB	Output is correct
92	Correct	311 ms	4436 KB	Output is correct
93	Correct	320 ms	4448 KB	Output is correct
94	Correct	312 ms	4436 KB	Output is correct
95	Correct	323 ms	4436 KB	Output is correct
96	Correct	318 ms	4436 KB	Output is correct
97	Correct	314 ms	4552 KB	Output is correct
98	Correct	321 ms	4508 KB	Output is correct
99	Correct	311 ms	4436 KB	Output is correct
100	Correct	310 ms	4436 KB	Output is correct
101	Correct	312 ms	4436 KB	Output is correct
102	Correct	319 ms	4556 KB	Output is correct

답안 #217431

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