| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 874040 |
2023-11-16T08:13:29 Z |
vjudge1 |
Lamps (JOI19_lamps) |
C++17 |
|
54 ms |
27908 KB |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 10;
const int INF = 1e9;
string s1, s2;
int n, dp[N][3][2], ans = INF;
char f(char c, int i, int j){
if (i != 2) c = i + '0';
if (j) c = '1' + '0' - c;
return c;
}
int main() {
ios:: sync_with_stdio(0), cin.tie(0);
cin >> n >> s1 >> s2;
s1 = 'D' + s1; s2 = 'D' + s2;
memset(dp, 63, sizeof dp);
dp[0][2][0] = 0;
for (int i = 1; i <= n; i++)
for (int j = 0; j < 3; j++)
for (int k = 0; k < 2; k++) {
if (f(s1[i], 0, k) == s2[i]) dp[i][0][k] = min(dp[i][0][k], dp[i-1][j][k] + (j != 0));
if (f(s1[i], 1, k) == s2[i]) dp[i][1][k] = min(dp[i][1][k], dp[i-1][j][k] + (j != 1));
if (f(s1[i], 2, k) == s2[i]) dp[i][2][k] = min(dp[i][2][k], dp[i-1][j][k]);
if (f(s1[i], 0, k ^ 1) == s2[i]) dp[i][0][k ^ 1] = min(dp[i][0][k ^ 1], dp[i - 1][j][k] + (j ^ 0) + !(k ^ 0));
if (f(s1[i], 1, k ^ 1) == s2[i]) dp[i][1][k ^ 1] = min(dp[i][1][k ^ 1], dp[i - 1][j][k] + (j ^ 1) + !(k ^ 0));
if (f(s1[i], 2, k ^ 1) == s2[i]) dp[i][2][k ^ 1] = min(dp[i][2][k ^ 1], dp[i - 1][j][k] + !(k ^ 0));
if (i == n) ans = min(ans, dp[i][j][k]);
}
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 2 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 4 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 5 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 6 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 8 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 9 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 10 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 11 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 12 |
Correct |
3 ms |
23704 KB |
Output is correct |
| 13 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 14 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 15 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 16 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 17 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 18 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 19 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 20 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 21 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 22 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 23 |
Correct |
3 ms |
23700 KB |
Output is correct |
| 24 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 25 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 26 |
Correct |
3 ms |
23728 KB |
Output is correct |
| 27 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 28 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 29 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 30 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 31 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 32 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 33 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 34 |
Correct |
3 ms |
23900 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 2 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 4 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 5 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 6 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 8 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 9 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 10 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 11 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 12 |
Correct |
3 ms |
23704 KB |
Output is correct |
| 13 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 14 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 15 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 16 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 17 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 18 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 19 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 20 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 21 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 22 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 23 |
Correct |
3 ms |
23700 KB |
Output is correct |
| 24 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 25 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 26 |
Correct |
3 ms |
23728 KB |
Output is correct |
| 27 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 28 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 29 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 30 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 31 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 32 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 33 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 34 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 35 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 36 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 37 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 38 |
Correct |
4 ms |
23764 KB |
Output is correct |
| 39 |
Correct |
3 ms |
23704 KB |
Output is correct |
| 40 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 41 |
Correct |
3 ms |
23944 KB |
Output is correct |
| 42 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 43 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 44 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 45 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 46 |
Correct |
3 ms |
23808 KB |
Output is correct |
| 47 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 48 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 49 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 50 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 51 |
Correct |
3 ms |
23956 KB |
Output is correct |
| 52 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 53 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 54 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 55 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 56 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 57 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 58 |
Correct |
4 ms |
23900 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 2 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 4 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 5 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 6 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
34 ms |
25860 KB |
Output is correct |
| 8 |
Correct |
37 ms |
25856 KB |
Output is correct |
| 9 |
Correct |
37 ms |
27656 KB |
Output is correct |
| 10 |
Correct |
37 ms |
27652 KB |
Output is correct |
| 11 |
Correct |
38 ms |
27656 KB |
Output is correct |
| 12 |
Correct |
36 ms |
27656 KB |
Output is correct |
| 13 |
Correct |
34 ms |
27628 KB |
Output is correct |
| 14 |
Correct |
36 ms |
27656 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 2 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 4 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 5 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 6 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 8 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 9 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 10 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 11 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 12 |
Correct |
3 ms |
23704 KB |
Output is correct |
| 13 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 14 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 15 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 16 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 17 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 18 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 19 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 20 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 21 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 22 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 23 |
Correct |
3 ms |
23700 KB |
Output is correct |
| 24 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 25 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 26 |
Correct |
3 ms |
23728 KB |
Output is correct |
| 27 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 28 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 29 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 30 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 31 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 32 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 33 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 34 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 35 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 36 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 37 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 38 |
Correct |
4 ms |
23764 KB |
Output is correct |
| 39 |
Correct |
3 ms |
23704 KB |
Output is correct |
| 40 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 41 |
Correct |
3 ms |
23944 KB |
Output is correct |
| 42 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 43 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 44 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 45 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 46 |
Correct |
3 ms |
23808 KB |
Output is correct |
| 47 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 48 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 49 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 50 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 51 |
Correct |
3 ms |
23956 KB |
Output is correct |
| 52 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 53 |
Correct |
3 ms |
23896 KB |
Output is correct |
| 54 |
Correct |
4 ms |
23896 KB |
Output is correct |
| 55 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 56 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 57 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 58 |
Correct |
4 ms |
23900 KB |
Output is correct |
| 59 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 60 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 61 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 62 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 63 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 64 |
Correct |
3 ms |
23900 KB |
Output is correct |
| 65 |
Correct |
34 ms |
25860 KB |
Output is correct |
| 66 |
Correct |
37 ms |
25856 KB |
Output is correct |
| 67 |
Correct |
37 ms |
27656 KB |
Output is correct |
| 68 |
Correct |
37 ms |
27652 KB |
Output is correct |
| 69 |
Correct |
38 ms |
27656 KB |
Output is correct |
| 70 |
Correct |
36 ms |
27656 KB |
Output is correct |
| 71 |
Correct |
34 ms |
27628 KB |
Output is correct |
| 72 |
Correct |
36 ms |
27656 KB |
Output is correct |
| 73 |
Correct |
35 ms |
27648 KB |
Output is correct |
| 74 |
Correct |
37 ms |
27648 KB |
Output is correct |
| 75 |
Correct |
35 ms |
27612 KB |
Output is correct |
| 76 |
Correct |
43 ms |
27652 KB |
Output is correct |
| 77 |
Correct |
42 ms |
27636 KB |
Output is correct |
| 78 |
Correct |
38 ms |
27652 KB |
Output is correct |
| 79 |
Correct |
37 ms |
27656 KB |
Output is correct |
| 80 |
Correct |
36 ms |
27636 KB |
Output is correct |
| 81 |
Correct |
37 ms |
27800 KB |
Output is correct |
| 82 |
Correct |
38 ms |
27648 KB |
Output is correct |
| 83 |
Correct |
39 ms |
27652 KB |
Output is correct |
| 84 |
Correct |
41 ms |
27652 KB |
Output is correct |
| 85 |
Correct |
39 ms |
27652 KB |
Output is correct |
| 86 |
Correct |
39 ms |
27724 KB |
Output is correct |
| 87 |
Correct |
40 ms |
27648 KB |
Output is correct |
| 88 |
Correct |
44 ms |
27908 KB |
Output is correct |
| 89 |
Correct |
39 ms |
27644 KB |
Output is correct |
| 90 |
Correct |
42 ms |
27652 KB |
Output is correct |
| 91 |
Correct |
42 ms |
27716 KB |
Output is correct |
| 92 |
Correct |
43 ms |
27652 KB |
Output is correct |
| 93 |
Correct |
45 ms |
27648 KB |
Output is correct |
| 94 |
Correct |
54 ms |
27716 KB |
Output is correct |
| 95 |
Correct |
45 ms |
27648 KB |
Output is correct |
| 96 |
Correct |
45 ms |
27648 KB |
Output is correct |
| 97 |
Correct |
45 ms |
27856 KB |
Output is correct |
| 98 |
Correct |
47 ms |
27652 KB |
Output is correct |
| 99 |
Correct |
45 ms |
27656 KB |
Output is correct |
| 100 |
Correct |
46 ms |
27864 KB |
Output is correct |
| 101 |
Correct |
49 ms |
27652 KB |
Output is correct |
| 102 |
Correct |
45 ms |
27656 KB |
Output is correct |
