oj.uz

답안 #874040

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
874040 2023-11-16T08:13:29 Z vjudge1 Lamps (JOI19_lamps) C++17
100 / 100
 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';
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 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

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 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

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 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

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 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