oj.uz

Submission #1101259

# Submission time Handle Problem Language Result Execution time Memory
1101259 2024-10-16T00:46:40 Z underwaterkillerwhale Lamps (JOI19_lamps) C++17
100 / 100
 41 ms 33952 KB 
//#include"holiday.h"
#include <bits/stdc++.h>
#define ll long long
#define rep(i,m,n) for(int i=(m); i<=(n); i++)
#define reb(i,m,n) for(int i=(m); i>=(n); i--)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define MP make_pair
#define fs first
#define se second
#define bit(msk, i) ((msk >> i) & 1)
#define iter(id, v) for(auto id : v)
#define pb push_back
#define SZ(v) (ll)v.size()
#define ALL(v) v.begin(),v.end()

using namespace std;

mt19937_64 rd(chrono :: steady_clock :: now ().time_since_epoch().count());
ll Rand (ll l, ll r) { return uniform_int_distribution<ll> (l, r) (rd); }

const int N = 1e6 + 7;
int Mod = 1e9 + 7;///lon
const int INF = 1e9;
const ll BASE = 137;
const int szBL = 450;

int n;
int a[N], b[N];
int dp[N][3][2];

void solution () {
    cin >> n;
    {
        string s;
        cin >> s;
        rep (i, 1, n) a[i] = s[i - 1] - '0';
    }
    {
        string s;
        cin >> s;
        rep (i, 1, n) b[i] = s[i - 1] - '0';
    }
    memset(dp, 0x3f, sizeof dp);
    dp[0][2][0] = 0;
    rep (i, 1, n) {
        rep (j, 0, 2)
        rep (k, 0, 1) {
            int bt = j == 2 ? a[i] ^ k : j ^ k;
            if (bt != b[i]) continue;
            rep (j2, 0, 2)
            rep (k2, 0, 1) {
                dp[i][j][k] = min(dp[i][j][k], dp[i - 1][j2][k2] + (j2 != j && j != 2) + (k2 != k && k != 0));
            }
        }
    }
    int res = INF;
    rep (j, 0, 2)
    rep (k, 0, 1) res = min(res, dp[n][j][k]);
    cout << res <<"\n";
}

#define file(name) freopen(name".inp","r",stdin); \
freopen(name".out","w",stdout);
int main () {
//    file("c");
    ios_base :: sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int num_Test = 1;
//    cin >> num_Test;
    while (num_Test--)
        solution();
}
/*
no bug challenge +10

5 5
01101
10001
00110
10101
00100
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27220 KB Output is correct
2 Correct 4 ms 27384 KB Output is correct
3 Correct 3 ms 27272 KB Output is correct
4 Correct 3 ms 27304 KB Output is correct
5 Correct 4 ms 27220 KB Output is correct
6 Correct 3 ms 27220 KB Output is correct
7 Correct 4 ms 27220 KB Output is correct
8 Correct 3 ms 27220 KB Output is correct
9 Correct 4 ms 27232 KB Output is correct
10 Correct 3 ms 27220 KB Output is correct
11 Correct 4 ms 27220 KB Output is correct
12 Correct 4 ms 27220 KB Output is correct
13 Correct 3 ms 27220 KB Output is correct
14 Correct 4 ms 27220 KB Output is correct
15 Correct 4 ms 27220 KB Output is correct
16 Correct 4 ms 27220 KB Output is correct
17 Correct 4 ms 27316 KB Output is correct
18 Correct 5 ms 27236 KB Output is correct
19 Correct 4 ms 27220 KB Output is correct
20 Correct 4 ms 27384 KB Output is correct
21 Correct 4 ms 27324 KB Output is correct
22 Correct 4 ms 27220 KB Output is correct
23 Correct 4 ms 27384 KB Output is correct
24 Correct 4 ms 27220 KB Output is correct
25 Correct 5 ms 27220 KB Output is correct
26 Correct 4 ms 27220 KB Output is correct
27 Correct 3 ms 27220 KB Output is correct
28 Correct 4 ms 27220 KB Output is correct
29 Correct 4 ms 27220 KB Output is correct
30 Correct 4 ms 27220 KB Output is correct
31 Correct 4 ms 27220 KB Output is correct
32 Correct 4 ms 27220 KB Output is correct
33 Correct 4 ms 27220 KB Output is correct
34 Correct 4 ms 27220 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27220 KB Output is correct
2 Correct 4 ms 27384 KB Output is correct
3 Correct 3 ms 27272 KB Output is correct
4 Correct 3 ms 27304 KB Output is correct
5 Correct 4 ms 27220 KB Output is correct
6 Correct 3 ms 27220 KB Output is correct
7 Correct 4 ms 27220 KB Output is correct
8 Correct 3 ms 27220 KB Output is correct
9 Correct 4 ms 27232 KB Output is correct
10 Correct 3 ms 27220 KB Output is correct
11 Correct 4 ms 27220 KB Output is correct
12 Correct 4 ms 27220 KB Output is correct
13 Correct 3 ms 27220 KB Output is correct
14 Correct 4 ms 27220 KB Output is correct
15 Correct 4 ms 27220 KB Output is correct
16 Correct 4 ms 27220 KB Output is correct
17 Correct 4 ms 27316 KB Output is correct
18 Correct 5 ms 27236 KB Output is correct
19 Correct 4 ms 27220 KB Output is correct
20 Correct 4 ms 27384 KB Output is correct
21 Correct 4 ms 27324 KB Output is correct
22 Correct 4 ms 27220 KB Output is correct
23 Correct 4 ms 27384 KB Output is correct
24 Correct 4 ms 27220 KB Output is correct
25 Correct 5 ms 27220 KB Output is correct
26 Correct 4 ms 27220 KB Output is correct
27 Correct 3 ms 27220 KB Output is correct
28 Correct 4 ms 27220 KB Output is correct
29 Correct 4 ms 27220 KB Output is correct
30 Correct 4 ms 27220 KB Output is correct
31 Correct 4 ms 27220 KB Output is correct
32 Correct 4 ms 27220 KB Output is correct
33 Correct 4 ms 27220 KB Output is correct
34 Correct 4 ms 27220 KB Output is correct
35 Correct 4 ms 27220 KB Output is correct
36 Correct 4 ms 27220 KB Output is correct
37 Correct 4 ms 27324 KB Output is correct
38 Correct 4 ms 27220 KB Output is correct
39 Correct 4 ms 27092 KB Output is correct
40 Correct 12 ms 27384 KB Output is correct
41 Correct 6 ms 27220 KB Output is correct
42 Correct 4 ms 27384 KB Output is correct
43 Correct 4 ms 27220 KB Output is correct
44 Correct 4 ms 27220 KB Output is correct
45 Correct 4 ms 27220 KB Output is correct
46 Correct 4 ms 27220 KB Output is correct
47 Correct 4 ms 27220 KB Output is correct
48 Correct 4 ms 27260 KB Output is correct
49 Correct 4 ms 27232 KB Output is correct
50 Correct 4 ms 27220 KB Output is correct
51 Correct 4 ms 27232 KB Output is correct
52 Correct 4 ms 27220 KB Output is correct
53 Correct 4 ms 27220 KB Output is correct
54 Correct 4 ms 27220 KB Output is correct
55 Correct 4 ms 27468 KB Output is correct
56 Correct 4 ms 27312 KB Output is correct
57 Correct 5 ms 27220 KB Output is correct
58 Correct 4 ms 27284 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27220 KB Output is correct
2 Correct 11 ms 27220 KB Output is correct
3 Correct 4 ms 27220 KB Output is correct
4 Correct 10 ms 27220 KB Output is correct
5 Correct 6 ms 27220 KB Output is correct
6 Correct 6 ms 27220 KB Output is correct
7 Correct 26 ms 33748 KB Output is correct
8 Correct 27 ms 33788 KB Output is correct
9 Correct 27 ms 33792 KB Output is correct
10 Correct 28 ms 33788 KB Output is correct
11 Correct 28 ms 33784 KB Output is correct
12 Correct 33 ms 33792 KB Output is correct
13 Correct 31 ms 33788 KB Output is correct
14 Correct 30 ms 33808 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 27220 KB Output is correct
2 Correct 4 ms 27384 KB Output is correct
3 Correct 3 ms 27272 KB Output is correct
4 Correct 3 ms 27304 KB Output is correct
5 Correct 4 ms 27220 KB Output is correct
6 Correct 3 ms 27220 KB Output is correct
7 Correct 4 ms 27220 KB Output is correct
8 Correct 3 ms 27220 KB Output is correct
9 Correct 4 ms 27232 KB Output is correct
10 Correct 3 ms 27220 KB Output is correct
11 Correct 4 ms 27220 KB Output is correct
12 Correct 4 ms 27220 KB Output is correct
13 Correct 3 ms 27220 KB Output is correct
14 Correct 4 ms 27220 KB Output is correct
15 Correct 4 ms 27220 KB Output is correct
16 Correct 4 ms 27220 KB Output is correct
17 Correct 4 ms 27316 KB Output is correct
18 Correct 5 ms 27236 KB Output is correct
19 Correct 4 ms 27220 KB Output is correct
20 Correct 4 ms 27384 KB Output is correct
21 Correct 4 ms 27324 KB Output is correct
22 Correct 4 ms 27220 KB Output is correct
23 Correct 4 ms 27384 KB Output is correct
24 Correct 4 ms 27220 KB Output is correct
25 Correct 5 ms 27220 KB Output is correct
26 Correct 4 ms 27220 KB Output is correct
27 Correct 3 ms 27220 KB Output is correct
28 Correct 4 ms 27220 KB Output is correct
29 Correct 4 ms 27220 KB Output is correct
30 Correct 4 ms 27220 KB Output is correct
31 Correct 4 ms 27220 KB Output is correct
32 Correct 4 ms 27220 KB Output is correct
33 Correct 4 ms 27220 KB Output is correct
34 Correct 4 ms 27220 KB Output is correct
35 Correct 4 ms 27220 KB Output is correct
36 Correct 4 ms 27220 KB Output is correct
37 Correct 4 ms 27324 KB Output is correct
38 Correct 4 ms 27220 KB Output is correct
39 Correct 4 ms 27092 KB Output is correct
40 Correct 12 ms 27384 KB Output is correct
41 Correct 6 ms 27220 KB Output is correct
42 Correct 4 ms 27384 KB Output is correct
43 Correct 4 ms 27220 KB Output is correct
44 Correct 4 ms 27220 KB Output is correct
45 Correct 4 ms 27220 KB Output is correct
46 Correct 4 ms 27220 KB Output is correct
47 Correct 4 ms 27220 KB Output is correct
48 Correct 4 ms 27260 KB Output is correct
49 Correct 4 ms 27232 KB Output is correct
50 Correct 4 ms 27220 KB Output is correct
51 Correct 4 ms 27232 KB Output is correct
52 Correct 4 ms 27220 KB Output is correct
53 Correct 4 ms 27220 KB Output is correct
54 Correct 4 ms 27220 KB Output is correct
55 Correct 4 ms 27468 KB Output is correct
56 Correct 4 ms 27312 KB Output is correct
57 Correct 5 ms 27220 KB Output is correct
58 Correct 4 ms 27284 KB Output is correct
59 Correct 4 ms 27220 KB Output is correct
60 Correct 11 ms 27220 KB Output is correct
61 Correct 4 ms 27220 KB Output is correct
62 Correct 10 ms 27220 KB Output is correct
63 Correct 6 ms 27220 KB Output is correct
64 Correct 6 ms 27220 KB Output is correct
65 Correct 26 ms 33748 KB Output is correct
66 Correct 27 ms 33788 KB Output is correct
67 Correct 27 ms 33792 KB Output is correct
68 Correct 28 ms 33788 KB Output is correct
69 Correct 28 ms 33784 KB Output is correct
70 Correct 33 ms 33792 KB Output is correct
71 Correct 31 ms 33788 KB Output is correct
72 Correct 30 ms 33808 KB Output is correct
73 Correct 28 ms 33788 KB Output is correct
74 Correct 28 ms 33648 KB Output is correct
75 Correct 32 ms 33788 KB Output is correct
76 Correct 34 ms 33788 KB Output is correct
77 Correct 25 ms 33788 KB Output is correct
78 Correct 26 ms 33788 KB Output is correct
79 Correct 29 ms 33792 KB Output is correct
80 Correct 41 ms 33804 KB Output is correct
81 Correct 26 ms 33792 KB Output is correct
82 Correct 26 ms 33724 KB Output is correct
83 Correct 30 ms 33788 KB Output is correct
84 Correct 30 ms 33788 KB Output is correct
85 Correct 31 ms 33620 KB Output is correct
86 Correct 34 ms 33788 KB Output is correct
87 Correct 34 ms 33836 KB Output is correct
88 Correct 30 ms 33788 KB Output is correct
89 Correct 30 ms 33788 KB Output is correct
90 Correct 30 ms 33788 KB Output is correct
91 Correct 32 ms 33780 KB Output is correct
92 Correct 33 ms 33952 KB Output is correct
93 Correct 33 ms 33788 KB Output is correct
94 Correct 33 ms 33748 KB Output is correct
95 Correct 33 ms 33808 KB Output is correct
96 Correct 33 ms 33788 KB Output is correct
97 Correct 34 ms 33788 KB Output is correct
98 Correct 33 ms 33808 KB Output is correct
99 Correct 33 ms 33868 KB Output is correct
100 Correct 33 ms 33856 KB Output is correct
101 Correct 34 ms 33792 KB Output is correct
102 Correct 34 ms 33792 KB Output is correct