oj.uz

Submission #134474

# Submission time Handle Problem Language Result Execution time Memory
134474 2019-07-22T18:31:32 Z doowey Lamps (JOI19_lamps) C++14
100 / 100
 106 ms 27980 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<ll, ll> pii;
 
#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
 
const int N = (int)1e6 + 9;
int dp[N][3][2];

int main(){
    fastIO;
    int n;
    cin >> n;
    for(int i = 0 ; i < N ;i  ++ ){
        for(int j = 0 ; j < 3 ; j ++ ) 
            for(int z = 0; z < 2 ;z ++ )
                dp[i][j][z] = 12124141;
    }   
    string a, b;
    cin >> a >> b;
    int from, to;
    int nw;
    int sum;
    dp[0][0][0] = 0;
    for(int i = 1 ; i <= n; i ++ ){
        from = a[i-1] - '0';
        to = b[i-1] - '0';
        for(int j = 0 ; j < 3; j ++ ){
            for(int z = 0 ;z < 2; z ++ ){
                nw = from;
                if(j) nw = j - 1;
                if(z) nw ^= 1;
                if(nw == to){
                    for(int v = 0; v < 3 ;v ++ ){
                        for(int q = 0 ;q < 2; q ++ ){
                            sum = dp[i-1][v][q];
                            if(j > 0 && j != v) sum ++ ;
                            if(z > 0 && z != q) sum ++ ;
                            dp[i][j][z] = min(dp[i][j][z], sum);
                        }
                    }
                }
            }
        }
    }
    int res = 124214124;
    for(int i = 0 ; i < 3; i ++ )
        for(int j = 0 ; j < 2; j ++ ){
            res = min(res, dp[n][i][j]);
        }
    cout << res;
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 23928 KB Output is correct
2 Correct 21 ms 23800 KB Output is correct
3 Correct 21 ms 23800 KB Output is correct
4 Correct 21 ms 23800 KB Output is correct
5 Correct 21 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 20 ms 23800 KB Output is correct
8 Correct 20 ms 23800 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 21 ms 23796 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 20 ms 23800 KB Output is correct
15 Correct 21 ms 23816 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 21 ms 23772 KB Output is correct
19 Correct 21 ms 23808 KB Output is correct
20 Correct 25 ms 23772 KB Output is correct
21 Correct 21 ms 23800 KB Output is correct
22 Correct 21 ms 23896 KB Output is correct
23 Correct 21 ms 23772 KB Output is correct
24 Correct 21 ms 23772 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 21 ms 23800 KB Output is correct
27 Correct 21 ms 23864 KB Output is correct
28 Correct 21 ms 23800 KB Output is correct
29 Correct 21 ms 23808 KB Output is correct
30 Correct 20 ms 23800 KB Output is correct
31 Correct 21 ms 23780 KB Output is correct
32 Correct 21 ms 23800 KB Output is correct
33 Correct 21 ms 23800 KB Output is correct
34 Correct 21 ms 23800 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 23928 KB Output is correct
2 Correct 21 ms 23800 KB Output is correct
3 Correct 21 ms 23800 KB Output is correct
4 Correct 21 ms 23800 KB Output is correct
5 Correct 21 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 20 ms 23800 KB Output is correct
8 Correct 20 ms 23800 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 21 ms 23796 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 20 ms 23800 KB Output is correct
15 Correct 21 ms 23816 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 21 ms 23772 KB Output is correct
19 Correct 21 ms 23808 KB Output is correct
20 Correct 25 ms 23772 KB Output is correct
21 Correct 21 ms 23800 KB Output is correct
22 Correct 21 ms 23896 KB Output is correct
23 Correct 21 ms 23772 KB Output is correct
24 Correct 21 ms 23772 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 21 ms 23800 KB Output is correct
27 Correct 21 ms 23864 KB Output is correct
28 Correct 21 ms 23800 KB Output is correct
29 Correct 21 ms 23808 KB Output is correct
30 Correct 20 ms 23800 KB Output is correct
31 Correct 21 ms 23780 KB Output is correct
32 Correct 21 ms 23800 KB Output is correct
33 Correct 21 ms 23800 KB Output is correct
34 Correct 21 ms 23800 KB Output is correct
35 Correct 21 ms 23800 KB Output is correct
36 Correct 20 ms 23800 KB Output is correct
37 Correct 21 ms 23800 KB Output is correct
38 Correct 22 ms 23816 KB Output is correct
39 Correct 21 ms 23800 KB Output is correct
40 Correct 21 ms 23800 KB Output is correct
41 Correct 22 ms 23880 KB Output is correct
42 Correct 21 ms 23800 KB Output is correct
43 Correct 21 ms 23800 KB Output is correct
44 Correct 21 ms 23800 KB Output is correct
45 Correct 21 ms 23800 KB Output is correct
46 Correct 21 ms 23800 KB Output is correct
47 Correct 22 ms 23928 KB Output is correct
48 Correct 21 ms 23804 KB Output is correct
49 Correct 21 ms 23772 KB Output is correct
50 Correct 21 ms 23800 KB Output is correct
51 Correct 25 ms 23800 KB Output is correct
52 Correct 21 ms 23800 KB Output is correct
53 Correct 21 ms 23800 KB Output is correct
54 Correct 25 ms 23800 KB Output is correct
55 Correct 21 ms 23812 KB Output is correct
56 Correct 21 ms 23800 KB Output is correct
57 Correct 21 ms 23804 KB Output is correct
58 Correct 21 ms 23828 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 23848 KB Output is correct
2 Correct 21 ms 23800 KB Output is correct
3 Correct 21 ms 23800 KB Output is correct
4 Correct 21 ms 23800 KB Output is correct
5 Correct 21 ms 23800 KB Output is correct
6 Correct 21 ms 23800 KB Output is correct
7 Correct 68 ms 27924 KB Output is correct
8 Correct 68 ms 27936 KB Output is correct
9 Correct 74 ms 27920 KB Output is correct
10 Correct 68 ms 27940 KB Output is correct
11 Correct 68 ms 27920 KB Output is correct
12 Correct 68 ms 27932 KB Output is correct
13 Correct 76 ms 27924 KB Output is correct
14 Correct 106 ms 27924 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 23928 KB Output is correct
2 Correct 21 ms 23800 KB Output is correct
3 Correct 21 ms 23800 KB Output is correct
4 Correct 21 ms 23800 KB Output is correct
5 Correct 21 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 20 ms 23800 KB Output is correct
8 Correct 20 ms 23800 KB Output is correct
9 Correct 24 ms 23800 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 21 ms 23796 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 20 ms 23800 KB Output is correct
15 Correct 21 ms 23816 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 21 ms 23772 KB Output is correct
19 Correct 21 ms 23808 KB Output is correct
20 Correct 25 ms 23772 KB Output is correct
21 Correct 21 ms 23800 KB Output is correct
22 Correct 21 ms 23896 KB Output is correct
23 Correct 21 ms 23772 KB Output is correct
24 Correct 21 ms 23772 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 21 ms 23800 KB Output is correct
27 Correct 21 ms 23864 KB Output is correct
28 Correct 21 ms 23800 KB Output is correct
29 Correct 21 ms 23808 KB Output is correct
30 Correct 20 ms 23800 KB Output is correct
31 Correct 21 ms 23780 KB Output is correct
32 Correct 21 ms 23800 KB Output is correct
33 Correct 21 ms 23800 KB Output is correct
34 Correct 21 ms 23800 KB Output is correct
35 Correct 21 ms 23800 KB Output is correct
36 Correct 20 ms 23800 KB Output is correct
37 Correct 21 ms 23800 KB Output is correct
38 Correct 22 ms 23816 KB Output is correct
39 Correct 21 ms 23800 KB Output is correct
40 Correct 21 ms 23800 KB Output is correct
41 Correct 22 ms 23880 KB Output is correct
42 Correct 21 ms 23800 KB Output is correct
43 Correct 21 ms 23800 KB Output is correct
44 Correct 21 ms 23800 KB Output is correct
45 Correct 21 ms 23800 KB Output is correct
46 Correct 21 ms 23800 KB Output is correct
47 Correct 22 ms 23928 KB Output is correct
48 Correct 21 ms 23804 KB Output is correct
49 Correct 21 ms 23772 KB Output is correct
50 Correct 21 ms 23800 KB Output is correct
51 Correct 25 ms 23800 KB Output is correct
52 Correct 21 ms 23800 KB Output is correct
53 Correct 21 ms 23800 KB Output is correct
54 Correct 25 ms 23800 KB Output is correct
55 Correct 21 ms 23812 KB Output is correct
56 Correct 21 ms 23800 KB Output is correct
57 Correct 21 ms 23804 KB Output is correct
58 Correct 21 ms 23828 KB Output is correct
59 Correct 21 ms 23848 KB Output is correct
60 Correct 21 ms 23800 KB Output is correct
61 Correct 21 ms 23800 KB Output is correct
62 Correct 21 ms 23800 KB Output is correct
63 Correct 21 ms 23800 KB Output is correct
64 Correct 21 ms 23800 KB Output is correct
65 Correct 68 ms 27924 KB Output is correct
66 Correct 68 ms 27936 KB Output is correct
67 Correct 74 ms 27920 KB Output is correct
68 Correct 68 ms 27940 KB Output is correct
69 Correct 68 ms 27920 KB Output is correct
70 Correct 68 ms 27932 KB Output is correct
71 Correct 76 ms 27924 KB Output is correct
72 Correct 106 ms 27924 KB Output is correct
73 Correct 70 ms 27924 KB Output is correct
74 Correct 73 ms 27928 KB Output is correct
75 Correct 70 ms 27924 KB Output is correct
76 Correct 70 ms 27940 KB Output is correct
77 Correct 70 ms 27900 KB Output is correct
78 Correct 69 ms 27980 KB Output is correct
79 Correct 67 ms 27920 KB Output is correct
80 Correct 71 ms 27924 KB Output is correct
81 Correct 69 ms 27924 KB Output is correct
82 Correct 69 ms 27924 KB Output is correct
83 Correct 84 ms 27924 KB Output is correct
84 Correct 84 ms 27924 KB Output is correct
85 Correct 77 ms 27924 KB Output is correct
86 Correct 77 ms 27920 KB Output is correct
87 Correct 77 ms 27920 KB Output is correct
88 Correct 77 ms 27924 KB Output is correct
89 Correct 77 ms 27944 KB Output is correct
90 Correct 79 ms 27924 KB Output is correct
91 Correct 80 ms 27920 KB Output is correct
92 Correct 81 ms 27920 KB Output is correct
93 Correct 82 ms 27920 KB Output is correct
94 Correct 81 ms 27924 KB Output is correct
95 Correct 90 ms 27912 KB Output is correct
96 Correct 81 ms 27924 KB Output is correct
97 Correct 88 ms 27928 KB Output is correct
98 Correct 95 ms 27924 KB Output is correct
99 Correct 86 ms 27924 KB Output is correct
100 Correct 82 ms 27924 KB Output is correct
101 Correct 89 ms 27920 KB Output is correct
102 Correct 88 ms 27920 KB Output is correct