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Submission #966229

# Submission time Handle Problem Language Result Execution time Memory
966229 2024-04-19T14:39:52 Z tset Lamps (JOI19_lamps) C++14
100 / 100
 105 ms 67536 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long

int dp[1000042][3][2];

const int INF = 1e18;

signed main()
{
    int N;
    string sA, sB;
    cin >> N;
    cin >> sA >> sB;
    vector<int> a(N), b(N);
    for(int i=0; i<N; i++)
    {
        a[i] = sA[i]-'0';
        b[i] = sB[i]-'0';
    }

    for(int i=0; i<=N; i++)
    {
        for(int j=0; j<3; j++)
        {
            for(int k=0; k<2; k++)
            {
                dp[i][j][k] = INF;
            }
        }
    }
    dp[0][0][0] = 0;
    for(int iN = 0; iN < N; iN++)
    {
        for(int setPrec = 0; setPrec < 3; setPrec++)
        {
            for(int togglePrec = 0; togglePrec < 2; togglePrec++)
            {
                for(int setNow = 0; setNow < 3; setNow++)
                {
                    for(int toggleNow = 0; toggleNow < 2; toggleNow++)
                    {
                        int bit;
                        if(setNow == 0) bit = a[iN];
                        else bit = setNow-1;
                        
                        if(toggleNow == 1) bit = (bit +1)%2;
                        
                        if(bit == b[iN])
                        {
                            dp[iN+1][setNow][toggleNow] = min(dp[iN+1][setNow][toggleNow], dp[iN][setPrec][togglePrec] + (setNow!=setPrec && setNow != 0) + (toggleNow > togglePrec));
                        }
                    }
                }
            }
            
        }

    }
    int ans = INF;
    for(int setFin = 0; setFin < 3; setFin++)
    {
        for(int toggleFin = 0; toggleFin < 2; toggleFin++)
        {
            ans = min(ans, dp[N][setFin][toggleFin]);
        }
    }
    printf("%lld\n", ans);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 440 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 444 KB Output is correct
34 Correct 1 ms 344 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 440 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 444 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 0 ms 448 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 440 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 105 ms 66984 KB Output is correct
8 Correct 88 ms 67104 KB Output is correct
9 Correct 94 ms 67100 KB Output is correct
10 Correct 88 ms 67536 KB Output is correct
11 Correct 83 ms 66884 KB Output is correct
12 Correct 86 ms 66880 KB Output is correct
13 Correct 96 ms 66896 KB Output is correct
14 Correct 86 ms 67104 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 440 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 444 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 0 ms 448 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 440 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 1 ms 592 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 1 ms 344 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 105 ms 66984 KB Output is correct
66 Correct 88 ms 67104 KB Output is correct
67 Correct 94 ms 67100 KB Output is correct
68 Correct 88 ms 67536 KB Output is correct
69 Correct 83 ms 66884 KB Output is correct
70 Correct 86 ms 66880 KB Output is correct
71 Correct 96 ms 66896 KB Output is correct
72 Correct 86 ms 67104 KB Output is correct
73 Correct 88 ms 66884 KB Output is correct
74 Correct 100 ms 66880 KB Output is correct
75 Correct 83 ms 66884 KB Output is correct
76 Correct 82 ms 67404 KB Output is correct
77 Correct 84 ms 66884 KB Output is correct
78 Correct 87 ms 66888 KB Output is correct
79 Correct 98 ms 66888 KB Output is correct
80 Correct 90 ms 66888 KB Output is correct
81 Correct 89 ms 66884 KB Output is correct
82 Correct 87 ms 67016 KB Output is correct
83 Correct 90 ms 66884 KB Output is correct
84 Correct 89 ms 67096 KB Output is correct
85 Correct 89 ms 66912 KB Output is correct
86 Correct 89 ms 67068 KB Output is correct
87 Correct 94 ms 67104 KB Output is correct
88 Correct 86 ms 66884 KB Output is correct
89 Correct 88 ms 66996 KB Output is correct
90 Correct 87 ms 67000 KB Output is correct
91 Correct 94 ms 67104 KB Output is correct
92 Correct 90 ms 66920 KB Output is correct
93 Correct 96 ms 67104 KB Output is correct
94 Correct 98 ms 67176 KB Output is correct
95 Correct 92 ms 66952 KB Output is correct
96 Correct 95 ms 66896 KB Output is correct
97 Correct 95 ms 66880 KB Output is correct
98 Correct 95 ms 66996 KB Output is correct
99 Correct 93 ms 67104 KB Output is correct
100 Correct 90 ms 66888 KB Output is correct
101 Correct 92 ms 66884 KB Output is correct
102 Correct 93 ms 66880 KB Output is correct