Submission #1092494

# Submission time Handle Problem Language Result Execution time Memory
1092494 2024-09-24T08:24:31 Z LOLOLO Lamps (JOI19_lamps) C++17
100 / 100
47 ms 16284 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (ll)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())

const int N = 1e6 + 100;
int f[N][3];
string a, b;

char get(int x, int y) {
    if (y == 1)
        return '0';

    if (y == 2)
        return '1';

    return a[x];
}

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

    //freopen("LIGHTS.inp", "r", stdin);
    //freopen("LIGHTS.out", "w", stdout);

    mem(f, 0x3f);
    int n;
    cin >> n;
    cin >> a >> b;

    f[0][0] = (a[0] != b[0]);
    f[0][1] = (int)(b[0] != '0') + 1;
    f[0][2] = (int)(b[0] != '1') + 1;

    for (int i = 1; i < n; i++) {
        for (int j = 0; j < 3; j++) {
            for (int k = 0; k < 3; k++) {
                char s1 = get(i - 1, j), s2 = get(i, k);
                int d1 = s1 != b[i - 1], d2 = s2 != b[i];
                f[i][k] = min(f[i][k], f[i - 1][j] + (d1 == 0 && d2 == 1) + (k != j && k));
            }
        }
    }

    cout << min({f[n - 1][0], f[n - 1][1], f[n - 1][2]}) << '\n';
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 12120 KB Output is correct
2 Correct 4 ms 12196 KB Output is correct
3 Correct 8 ms 12124 KB Output is correct
4 Correct 5 ms 12168 KB Output is correct
5 Correct 6 ms 12124 KB Output is correct
6 Correct 5 ms 12124 KB Output is correct
7 Correct 5 ms 12124 KB Output is correct
8 Correct 8 ms 12124 KB Output is correct
9 Correct 5 ms 11980 KB Output is correct
10 Correct 5 ms 12124 KB Output is correct
11 Correct 5 ms 12124 KB Output is correct
12 Correct 6 ms 12124 KB Output is correct
13 Correct 5 ms 12124 KB Output is correct
14 Correct 5 ms 12124 KB Output is correct
15 Correct 6 ms 12124 KB Output is correct
16 Correct 5 ms 12124 KB Output is correct
17 Correct 5 ms 12124 KB Output is correct
18 Correct 5 ms 12124 KB Output is correct
19 Correct 6 ms 12124 KB Output is correct
20 Correct 5 ms 12124 KB Output is correct
21 Correct 5 ms 12124 KB Output is correct
22 Correct 6 ms 12124 KB Output is correct
23 Correct 6 ms 12124 KB Output is correct
24 Correct 5 ms 12032 KB Output is correct
25 Correct 5 ms 12144 KB Output is correct
26 Correct 5 ms 12124 KB Output is correct
27 Correct 5 ms 12124 KB Output is correct
28 Correct 5 ms 12124 KB Output is correct
29 Correct 6 ms 12120 KB Output is correct
30 Correct 5 ms 12124 KB Output is correct
31 Correct 5 ms 12196 KB Output is correct
32 Correct 5 ms 12124 KB Output is correct
33 Correct 4 ms 12124 KB Output is correct
34 Correct 5 ms 12124 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 12120 KB Output is correct
2 Correct 4 ms 12196 KB Output is correct
3 Correct 8 ms 12124 KB Output is correct
4 Correct 5 ms 12168 KB Output is correct
5 Correct 6 ms 12124 KB Output is correct
6 Correct 5 ms 12124 KB Output is correct
7 Correct 5 ms 12124 KB Output is correct
8 Correct 8 ms 12124 KB Output is correct
9 Correct 5 ms 11980 KB Output is correct
10 Correct 5 ms 12124 KB Output is correct
11 Correct 5 ms 12124 KB Output is correct
12 Correct 6 ms 12124 KB Output is correct
13 Correct 5 ms 12124 KB Output is correct
14 Correct 5 ms 12124 KB Output is correct
15 Correct 6 ms 12124 KB Output is correct
16 Correct 5 ms 12124 KB Output is correct
17 Correct 5 ms 12124 KB Output is correct
18 Correct 5 ms 12124 KB Output is correct
19 Correct 6 ms 12124 KB Output is correct
20 Correct 5 ms 12124 KB Output is correct
21 Correct 5 ms 12124 KB Output is correct
22 Correct 6 ms 12124 KB Output is correct
23 Correct 6 ms 12124 KB Output is correct
24 Correct 5 ms 12032 KB Output is correct
25 Correct 5 ms 12144 KB Output is correct
26 Correct 5 ms 12124 KB Output is correct
27 Correct 5 ms 12124 KB Output is correct
28 Correct 5 ms 12124 KB Output is correct
29 Correct 6 ms 12120 KB Output is correct
30 Correct 5 ms 12124 KB Output is correct
31 Correct 5 ms 12196 KB Output is correct
32 Correct 5 ms 12124 KB Output is correct
33 Correct 4 ms 12124 KB Output is correct
34 Correct 5 ms 12124 KB Output is correct
35 Correct 5 ms 12124 KB Output is correct
36 Correct 5 ms 12124 KB Output is correct
37 Correct 5 ms 12124 KB Output is correct
38 Correct 5 ms 12124 KB Output is correct
39 Correct 5 ms 12204 KB Output is correct
40 Correct 6 ms 12124 KB Output is correct
41 Correct 7 ms 12124 KB Output is correct
42 Correct 6 ms 12104 KB Output is correct
43 Correct 6 ms 12124 KB Output is correct
44 Correct 5 ms 12124 KB Output is correct
45 Correct 6 ms 12124 KB Output is correct
46 Correct 6 ms 12124 KB Output is correct
47 Correct 5 ms 12380 KB Output is correct
48 Correct 5 ms 12124 KB Output is correct
49 Correct 5 ms 12120 KB Output is correct
50 Correct 5 ms 12124 KB Output is correct
51 Correct 5 ms 12088 KB Output is correct
52 Correct 5 ms 12064 KB Output is correct
53 Correct 5 ms 12124 KB Output is correct
54 Correct 5 ms 12124 KB Output is correct
55 Correct 5 ms 12124 KB Output is correct
56 Correct 5 ms 12124 KB Output is correct
57 Correct 5 ms 12124 KB Output is correct
58 Correct 5 ms 12124 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 12120 KB Output is correct
2 Correct 5 ms 12124 KB Output is correct
3 Correct 5 ms 12124 KB Output is correct
4 Correct 5 ms 12180 KB Output is correct
5 Correct 5 ms 12180 KB Output is correct
6 Correct 5 ms 12124 KB Output is correct
7 Correct 33 ms 16240 KB Output is correct
8 Correct 34 ms 16232 KB Output is correct
9 Correct 34 ms 16116 KB Output is correct
10 Correct 35 ms 16116 KB Output is correct
11 Correct 34 ms 16116 KB Output is correct
12 Correct 41 ms 16116 KB Output is correct
13 Correct 35 ms 16120 KB Output is correct
14 Correct 37 ms 16120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 12120 KB Output is correct
2 Correct 4 ms 12196 KB Output is correct
3 Correct 8 ms 12124 KB Output is correct
4 Correct 5 ms 12168 KB Output is correct
5 Correct 6 ms 12124 KB Output is correct
6 Correct 5 ms 12124 KB Output is correct
7 Correct 5 ms 12124 KB Output is correct
8 Correct 8 ms 12124 KB Output is correct
9 Correct 5 ms 11980 KB Output is correct
10 Correct 5 ms 12124 KB Output is correct
11 Correct 5 ms 12124 KB Output is correct
12 Correct 6 ms 12124 KB Output is correct
13 Correct 5 ms 12124 KB Output is correct
14 Correct 5 ms 12124 KB Output is correct
15 Correct 6 ms 12124 KB Output is correct
16 Correct 5 ms 12124 KB Output is correct
17 Correct 5 ms 12124 KB Output is correct
18 Correct 5 ms 12124 KB Output is correct
19 Correct 6 ms 12124 KB Output is correct
20 Correct 5 ms 12124 KB Output is correct
21 Correct 5 ms 12124 KB Output is correct
22 Correct 6 ms 12124 KB Output is correct
23 Correct 6 ms 12124 KB Output is correct
24 Correct 5 ms 12032 KB Output is correct
25 Correct 5 ms 12144 KB Output is correct
26 Correct 5 ms 12124 KB Output is correct
27 Correct 5 ms 12124 KB Output is correct
28 Correct 5 ms 12124 KB Output is correct
29 Correct 6 ms 12120 KB Output is correct
30 Correct 5 ms 12124 KB Output is correct
31 Correct 5 ms 12196 KB Output is correct
32 Correct 5 ms 12124 KB Output is correct
33 Correct 4 ms 12124 KB Output is correct
34 Correct 5 ms 12124 KB Output is correct
35 Correct 5 ms 12124 KB Output is correct
36 Correct 5 ms 12124 KB Output is correct
37 Correct 5 ms 12124 KB Output is correct
38 Correct 5 ms 12124 KB Output is correct
39 Correct 5 ms 12204 KB Output is correct
40 Correct 6 ms 12124 KB Output is correct
41 Correct 7 ms 12124 KB Output is correct
42 Correct 6 ms 12104 KB Output is correct
43 Correct 6 ms 12124 KB Output is correct
44 Correct 5 ms 12124 KB Output is correct
45 Correct 6 ms 12124 KB Output is correct
46 Correct 6 ms 12124 KB Output is correct
47 Correct 5 ms 12380 KB Output is correct
48 Correct 5 ms 12124 KB Output is correct
49 Correct 5 ms 12120 KB Output is correct
50 Correct 5 ms 12124 KB Output is correct
51 Correct 5 ms 12088 KB Output is correct
52 Correct 5 ms 12064 KB Output is correct
53 Correct 5 ms 12124 KB Output is correct
54 Correct 5 ms 12124 KB Output is correct
55 Correct 5 ms 12124 KB Output is correct
56 Correct 5 ms 12124 KB Output is correct
57 Correct 5 ms 12124 KB Output is correct
58 Correct 5 ms 12124 KB Output is correct
59 Correct 5 ms 12120 KB Output is correct
60 Correct 5 ms 12124 KB Output is correct
61 Correct 5 ms 12124 KB Output is correct
62 Correct 5 ms 12180 KB Output is correct
63 Correct 5 ms 12180 KB Output is correct
64 Correct 5 ms 12124 KB Output is correct
65 Correct 33 ms 16240 KB Output is correct
66 Correct 34 ms 16232 KB Output is correct
67 Correct 34 ms 16116 KB Output is correct
68 Correct 35 ms 16116 KB Output is correct
69 Correct 34 ms 16116 KB Output is correct
70 Correct 41 ms 16116 KB Output is correct
71 Correct 35 ms 16120 KB Output is correct
72 Correct 37 ms 16120 KB Output is correct
73 Correct 34 ms 16144 KB Output is correct
74 Correct 33 ms 16252 KB Output is correct
75 Correct 34 ms 16116 KB Output is correct
76 Correct 44 ms 16104 KB Output is correct
77 Correct 35 ms 16120 KB Output is correct
78 Correct 42 ms 16240 KB Output is correct
79 Correct 34 ms 16200 KB Output is correct
80 Correct 34 ms 16120 KB Output is correct
81 Correct 38 ms 16204 KB Output is correct
82 Correct 33 ms 16116 KB Output is correct
83 Correct 47 ms 16248 KB Output is correct
84 Correct 35 ms 16116 KB Output is correct
85 Correct 33 ms 16120 KB Output is correct
86 Correct 34 ms 16116 KB Output is correct
87 Correct 39 ms 16168 KB Output is correct
88 Correct 36 ms 16120 KB Output is correct
89 Correct 34 ms 16240 KB Output is correct
90 Correct 36 ms 16120 KB Output is correct
91 Correct 33 ms 16120 KB Output is correct
92 Correct 33 ms 16120 KB Output is correct
93 Correct 34 ms 16120 KB Output is correct
94 Correct 46 ms 16116 KB Output is correct
95 Correct 36 ms 16116 KB Output is correct
96 Correct 34 ms 16240 KB Output is correct
97 Correct 35 ms 16120 KB Output is correct
98 Correct 35 ms 16164 KB Output is correct
99 Correct 34 ms 16120 KB Output is correct
100 Correct 34 ms 16116 KB Output is correct
101 Correct 34 ms 16284 KB Output is correct
102 Correct 37 ms 16124 KB Output is correct