답안 #435715

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
435715 2021-06-23T15:38:36 Z dutch Lamps (JOI19_lamps) C++17
100 / 100
49 ms 4472 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int INF = 1e18;

void r(int &a, int b){ a = min(a, b); }

signed main(){
	cin.tie(0)->sync_with_stdio(0);
	int n; string a, b; cin >> n >> a >> b;
	array<int, 3> dp = {0, INF, INF}, c;

	for(int i=0; i<n; ++i){
		c = {INF, INF, INF};
		array<bool, 3> prev = {b[i-1] != a[i-1], b[i-1] == '1', b[i-1] == '0'};
		array<bool, 3> curr = {b[i] != a[i], b[i] == '1', b[i] == '0'};
		for(int j=0; j<3; ++j){
			for(int k=0; k<3; ++k){
				int cost = (k && k!=j) + (curr[k] && curr[k] != prev[j]);
				r(c[k], dp[j] + cost);
			}
		}
		swap(c, dp);
	}

	cout << min(dp[0], min(dp[1], dp[2]));
}
# 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 312 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 308 KB Output is correct
16 Correct 1 ms 308 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 256 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 308 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 320 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
# 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 312 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 308 KB Output is correct
16 Correct 1 ms 308 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 256 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 308 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 320 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 312 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 316 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 1 ms 204 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 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 332 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 204 KB Output is correct
55 Correct 1 ms 312 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
# 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 43 ms 4472 KB Output is correct
8 Correct 37 ms 4328 KB Output is correct
9 Correct 35 ms 4328 KB Output is correct
10 Correct 34 ms 4328 KB Output is correct
11 Correct 35 ms 4384 KB Output is correct
12 Correct 40 ms 4428 KB Output is correct
13 Correct 34 ms 4380 KB Output is correct
14 Correct 34 ms 4372 KB Output is correct
# 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 312 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 308 KB Output is correct
16 Correct 1 ms 308 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 256 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 308 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 320 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 312 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 316 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 1 ms 204 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 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 332 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 204 KB Output is correct
55 Correct 1 ms 312 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 43 ms 4472 KB Output is correct
66 Correct 37 ms 4328 KB Output is correct
67 Correct 35 ms 4328 KB Output is correct
68 Correct 34 ms 4328 KB Output is correct
69 Correct 35 ms 4384 KB Output is correct
70 Correct 40 ms 4428 KB Output is correct
71 Correct 34 ms 4380 KB Output is correct
72 Correct 34 ms 4372 KB Output is correct
73 Correct 45 ms 4328 KB Output is correct
74 Correct 33 ms 4396 KB Output is correct
75 Correct 36 ms 4372 KB Output is correct
76 Correct 36 ms 4328 KB Output is correct
77 Correct 35 ms 4372 KB Output is correct
78 Correct 37 ms 4380 KB Output is correct
79 Correct 44 ms 4328 KB Output is correct
80 Correct 49 ms 4360 KB Output is correct
81 Correct 36 ms 4432 KB Output is correct
82 Correct 35 ms 4388 KB Output is correct
83 Correct 38 ms 4328 KB Output is correct
84 Correct 37 ms 4380 KB Output is correct
85 Correct 41 ms 4372 KB Output is correct
86 Correct 38 ms 4328 KB Output is correct
87 Correct 38 ms 4380 KB Output is correct
88 Correct 38 ms 4380 KB Output is correct
89 Correct 40 ms 4432 KB Output is correct
90 Correct 40 ms 4388 KB Output is correct
91 Correct 49 ms 4380 KB Output is correct
92 Correct 42 ms 4372 KB Output is correct
93 Correct 42 ms 4380 KB Output is correct
94 Correct 41 ms 4380 KB Output is correct
95 Correct 41 ms 4328 KB Output is correct
96 Correct 43 ms 4384 KB Output is correct
97 Correct 42 ms 4380 KB Output is correct
98 Correct 45 ms 4328 KB Output is correct
99 Correct 44 ms 4328 KB Output is correct
100 Correct 42 ms 4328 KB Output is correct
101 Correct 42 ms 4376 KB Output is correct
102 Correct 41 ms 4416 KB Output is correct