Submission #445745

# Submission time Handle Problem Language Result Execution time Memory
445745 2021-07-19T13:01:36 Z egod1537 Lamps (JOI19_lamps) C++14
100 / 100
60 ms 16212 KB
#include <bits/stdc++.h>

using namespace std;

string A, B;
int dp[1000001][3];

char apply(char a, int y) {
	return (y == 0) ? '0' : (y == 1) ? '1' : a;
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);

	int n; cin >> n;
	cin >> A >> B;

	memset(dp, 0x3f3f3f3f, sizeof(dp));

	dp[0][2] = 0;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < 3; j++) {
			for (int k = 0; k < 3; k++) {
				int cot = dp[i][j];
				if (j != k && k != 2) cot++;
				if ((i == 0 || apply(A[i - 1], j) == B[i - 1]) &&
					apply(A[i], k) != B[i])
					++cot;
				dp[i+1][k] = min(dp[i+1][k], cot);
			}
		}
	}

	cout << min({ dp[n][0], dp[n][1], dp[n][2] });

	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 6 ms 11980 KB Output is correct
4 Correct 5 ms 11980 KB Output is correct
5 Correct 5 ms 11980 KB Output is correct
6 Correct 5 ms 11980 KB Output is correct
7 Correct 6 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 5 ms 11980 KB Output is correct
13 Correct 5 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 6 ms 11980 KB Output is correct
16 Correct 5 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 5 ms 11980 KB Output is correct
19 Correct 6 ms 11980 KB Output is correct
20 Correct 5 ms 11980 KB Output is correct
21 Correct 5 ms 11980 KB Output is correct
22 Correct 5 ms 11980 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 5 ms 11980 KB Output is correct
25 Correct 5 ms 11980 KB Output is correct
26 Correct 5 ms 11980 KB Output is correct
27 Correct 6 ms 11980 KB Output is correct
28 Correct 5 ms 11980 KB Output is correct
29 Correct 5 ms 11980 KB Output is correct
30 Correct 5 ms 11980 KB Output is correct
31 Correct 5 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 7 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 6 ms 11980 KB Output is correct
4 Correct 5 ms 11980 KB Output is correct
5 Correct 5 ms 11980 KB Output is correct
6 Correct 5 ms 11980 KB Output is correct
7 Correct 6 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 5 ms 11980 KB Output is correct
13 Correct 5 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 6 ms 11980 KB Output is correct
16 Correct 5 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 5 ms 11980 KB Output is correct
19 Correct 6 ms 11980 KB Output is correct
20 Correct 5 ms 11980 KB Output is correct
21 Correct 5 ms 11980 KB Output is correct
22 Correct 5 ms 11980 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 5 ms 11980 KB Output is correct
25 Correct 5 ms 11980 KB Output is correct
26 Correct 5 ms 11980 KB Output is correct
27 Correct 6 ms 11980 KB Output is correct
28 Correct 5 ms 11980 KB Output is correct
29 Correct 5 ms 11980 KB Output is correct
30 Correct 5 ms 11980 KB Output is correct
31 Correct 5 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 7 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
35 Correct 6 ms 11972 KB Output is correct
36 Correct 6 ms 11952 KB Output is correct
37 Correct 6 ms 11980 KB Output is correct
38 Correct 5 ms 11980 KB Output is correct
39 Correct 6 ms 11980 KB Output is correct
40 Correct 6 ms 11980 KB Output is correct
41 Correct 6 ms 11964 KB Output is correct
42 Correct 6 ms 11980 KB Output is correct
43 Correct 6 ms 11980 KB Output is correct
44 Correct 6 ms 11980 KB Output is correct
45 Correct 6 ms 11980 KB Output is correct
46 Correct 6 ms 11980 KB Output is correct
47 Correct 6 ms 11964 KB Output is correct
48 Correct 6 ms 11980 KB Output is correct
49 Correct 7 ms 11980 KB Output is correct
50 Correct 6 ms 12024 KB Output is correct
51 Correct 6 ms 11980 KB Output is correct
52 Correct 5 ms 11980 KB Output is correct
53 Correct 6 ms 11980 KB Output is correct
54 Correct 5 ms 11980 KB Output is correct
55 Correct 7 ms 11980 KB Output is correct
56 Correct 6 ms 12032 KB Output is correct
57 Correct 5 ms 11964 KB Output is correct
58 Correct 6 ms 11980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 11980 KB Output is correct
2 Correct 5 ms 11980 KB Output is correct
3 Correct 5 ms 11980 KB Output is correct
4 Correct 5 ms 11972 KB Output is correct
5 Correct 5 ms 11980 KB Output is correct
6 Correct 6 ms 11980 KB Output is correct
7 Correct 53 ms 14768 KB Output is correct
8 Correct 48 ms 14756 KB Output is correct
9 Correct 47 ms 14752 KB Output is correct
10 Correct 48 ms 14752 KB Output is correct
11 Correct 48 ms 14768 KB Output is correct
12 Correct 49 ms 14712 KB Output is correct
13 Correct 46 ms 14748 KB Output is correct
14 Correct 45 ms 14648 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 6 ms 11980 KB Output is correct
4 Correct 5 ms 11980 KB Output is correct
5 Correct 5 ms 11980 KB Output is correct
6 Correct 5 ms 11980 KB Output is correct
7 Correct 6 ms 11980 KB Output is correct
8 Correct 5 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 5 ms 11980 KB Output is correct
13 Correct 5 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 6 ms 11980 KB Output is correct
16 Correct 5 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 5 ms 11980 KB Output is correct
19 Correct 6 ms 11980 KB Output is correct
20 Correct 5 ms 11980 KB Output is correct
21 Correct 5 ms 11980 KB Output is correct
22 Correct 5 ms 11980 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 5 ms 11980 KB Output is correct
25 Correct 5 ms 11980 KB Output is correct
26 Correct 5 ms 11980 KB Output is correct
27 Correct 6 ms 11980 KB Output is correct
28 Correct 5 ms 11980 KB Output is correct
29 Correct 5 ms 11980 KB Output is correct
30 Correct 5 ms 11980 KB Output is correct
31 Correct 5 ms 11980 KB Output is correct
32 Correct 5 ms 11980 KB Output is correct
33 Correct 7 ms 11980 KB Output is correct
34 Correct 5 ms 11980 KB Output is correct
35 Correct 6 ms 11972 KB Output is correct
36 Correct 6 ms 11952 KB Output is correct
37 Correct 6 ms 11980 KB Output is correct
38 Correct 5 ms 11980 KB Output is correct
39 Correct 6 ms 11980 KB Output is correct
40 Correct 6 ms 11980 KB Output is correct
41 Correct 6 ms 11964 KB Output is correct
42 Correct 6 ms 11980 KB Output is correct
43 Correct 6 ms 11980 KB Output is correct
44 Correct 6 ms 11980 KB Output is correct
45 Correct 6 ms 11980 KB Output is correct
46 Correct 6 ms 11980 KB Output is correct
47 Correct 6 ms 11964 KB Output is correct
48 Correct 6 ms 11980 KB Output is correct
49 Correct 7 ms 11980 KB Output is correct
50 Correct 6 ms 12024 KB Output is correct
51 Correct 6 ms 11980 KB Output is correct
52 Correct 5 ms 11980 KB Output is correct
53 Correct 6 ms 11980 KB Output is correct
54 Correct 5 ms 11980 KB Output is correct
55 Correct 7 ms 11980 KB Output is correct
56 Correct 6 ms 12032 KB Output is correct
57 Correct 5 ms 11964 KB Output is correct
58 Correct 6 ms 11980 KB Output is correct
59 Correct 5 ms 11980 KB Output is correct
60 Correct 5 ms 11980 KB Output is correct
61 Correct 5 ms 11980 KB Output is correct
62 Correct 5 ms 11972 KB Output is correct
63 Correct 5 ms 11980 KB Output is correct
64 Correct 6 ms 11980 KB Output is correct
65 Correct 53 ms 14768 KB Output is correct
66 Correct 48 ms 14756 KB Output is correct
67 Correct 47 ms 14752 KB Output is correct
68 Correct 48 ms 14752 KB Output is correct
69 Correct 48 ms 14768 KB Output is correct
70 Correct 49 ms 14712 KB Output is correct
71 Correct 46 ms 14748 KB Output is correct
72 Correct 45 ms 14648 KB Output is correct
73 Correct 47 ms 16040 KB Output is correct
74 Correct 49 ms 16028 KB Output is correct
75 Correct 49 ms 16212 KB Output is correct
76 Correct 47 ms 16072 KB Output is correct
77 Correct 45 ms 16024 KB Output is correct
78 Correct 44 ms 16096 KB Output is correct
79 Correct 50 ms 16032 KB Output is correct
80 Correct 49 ms 16016 KB Output is correct
81 Correct 45 ms 16068 KB Output is correct
82 Correct 45 ms 16096 KB Output is correct
83 Correct 50 ms 16028 KB Output is correct
84 Correct 56 ms 16036 KB Output is correct
85 Correct 49 ms 16028 KB Output is correct
86 Correct 51 ms 16212 KB Output is correct
87 Correct 52 ms 16028 KB Output is correct
88 Correct 50 ms 16028 KB Output is correct
89 Correct 53 ms 16028 KB Output is correct
90 Correct 50 ms 16100 KB Output is correct
91 Correct 53 ms 16028 KB Output is correct
92 Correct 55 ms 16104 KB Output is correct
93 Correct 57 ms 16096 KB Output is correct
94 Correct 60 ms 16060 KB Output is correct
95 Correct 57 ms 16028 KB Output is correct
96 Correct 56 ms 16036 KB Output is correct
97 Correct 59 ms 16100 KB Output is correct
98 Correct 54 ms 16100 KB Output is correct
99 Correct 57 ms 16096 KB Output is correct
100 Correct 56 ms 16056 KB Output is correct
101 Correct 57 ms 16116 KB Output is correct
102 Correct 56 ms 16008 KB Output is correct