oj.uz

Submission #747049

# Submission time Handle Problem Language Result Execution time Memory
747049 2023-05-23T13:20:22 Z stevancv Lamps (JOI19_lamps) C++14
100 / 100
 71 ms 35808 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e6 + 2;
const int inf = 1e9;
int dp[N][2][3], a[N], b[N];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n; cin >> n;
    string A, B;
    cin >> A >> B;
    for (int i = 0; i < n; i++) {
        a[i + 1] = A[i] - '0';
        b[i + 1] = B[i] - '0';
    }
    for (int i = 0; i <= n; i++) for (int j = 0; j < 6; j++) dp[i][j / 3][j % 3] = inf;
    dp[0][0][0] = 0;
    for (int i = 1; i <= n; i++) {
        if (a[i] == b[i]) for (int j = 0; j < 6; j++) smin(dp[i][0][0], dp[i - 1][j / 3][j % 3]);
        if (b[i] == 0) for (int j = 0; j < 6; j++) smin(dp[i][0][1], dp[i - 1][j / 3][j % 3] + (j % 3 != 1));
        if (b[i] == 1) for (int j = 0; j < 6; j++) smin(dp[i][0][2], dp[i - 1][j / 3][j % 3] + (j % 3 != 2));
        if (a[i] != b[i]) for (int j = 0; j < 6; j++) smin(dp[i][1][0], dp[i - 1][j / 3][j % 3] + (j < 3));
        if (b[i] == 1) for (int j = 0; j < 6; j++) smin(dp[i][1][1], dp[i - 1][j / 3][j % 3] + (j % 3 != 1) + (j < 3));
        if (b[i] == 0) for (int j = 0; j < 6; j++) smin(dp[i][1][2], dp[i - 1][j / 3][j % 3] + (j % 3 != 2) + (j < 3));
    }
    int ans = inf;
    for (int j = 0; j < 6; j++) smin(ans, dp[n][j / 3][j % 3]);
    cout << ans << en;
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 336 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 58 ms 33924 KB Output is correct
8 Correct 60 ms 33948 KB Output is correct
9 Correct 59 ms 33980 KB Output is correct
10 Correct 61 ms 33948 KB Output is correct
11 Correct 59 ms 33952 KB Output is correct
12 Correct 65 ms 33924 KB Output is correct
13 Correct 62 ms 33956 KB Output is correct
14 Correct 59 ms 33952 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 328 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 336 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 332 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 58 ms 33924 KB Output is correct
66 Correct 60 ms 33948 KB Output is correct
67 Correct 59 ms 33980 KB Output is correct
68 Correct 61 ms 33948 KB Output is correct
69 Correct 59 ms 33952 KB Output is correct
70 Correct 65 ms 33924 KB Output is correct
71 Correct 62 ms 33956 KB Output is correct
72 Correct 59 ms 33952 KB Output is correct
73 Correct 59 ms 35680 KB Output is correct
74 Correct 59 ms 35684 KB Output is correct
75 Correct 66 ms 35676 KB Output is correct
76 Correct 63 ms 35808 KB Output is correct
77 Correct 59 ms 35672 KB Output is correct
78 Correct 59 ms 35672 KB Output is correct
79 Correct 61 ms 35564 KB Output is correct
80 Correct 63 ms 35688 KB Output is correct
81 Correct 58 ms 35804 KB Output is correct
82 Correct 59 ms 35632 KB Output is correct
83 Correct 65 ms 35644 KB Output is correct
84 Correct 65 ms 35680 KB Output is correct
85 Correct 67 ms 35760 KB Output is correct
86 Correct 64 ms 35680 KB Output is correct
87 Correct 63 ms 35660 KB Output is correct
88 Correct 63 ms 35688 KB Output is correct
89 Correct 63 ms 35668 KB Output is correct
90 Correct 62 ms 35568 KB Output is correct
91 Correct 63 ms 35680 KB Output is correct
92 Correct 65 ms 35572 KB Output is correct
93 Correct 66 ms 35552 KB Output is correct
94 Correct 71 ms 35740 KB Output is correct
95 Correct 67 ms 35784 KB Output is correct
96 Correct 67 ms 35612 KB Output is correct
97 Correct 65 ms 35640 KB Output is correct
98 Correct 67 ms 35680 KB Output is correct
99 Correct 69 ms 35676 KB Output is correct
100 Correct 66 ms 35616 KB Output is correct
101 Correct 66 ms 35688 KB Output is correct
102 Correct 67 ms 35616 KB Output is correct