oj.uz

Submission #937667

# Submission time Handle Problem Language Result Execution time Memory
937667 2024-03-04T10:22:45 Z groshi Lamps (JOI19_lamps) C++17
4 / 100
 24 ms 33672 KB 
#include<bits/stdc++.h>
using namespace std;
//#define int long long
int dp[1000100][8];
int inf=1e9;
int32_t main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    string a,b;
    cin>>a>>b;
    a='$'+a;
    b='$'+b;
    for(int i=0;i<=n;i++)
        for(int j=0;j<6;j++)
            dp[i][j]=inf;
    dp[0][0]=0;
    for(int i=1;i<=n;i++)
    {
        if(b[i]=='0')
            dp[i][5]=min({dp[i-1][0]+2,dp[i-1][1]+1,dp[i-1][4]+1,dp[i-1][5]});
        if(b[i]=='1')
            dp[i][4]=min(dp[i-1][0]+1,dp[i-1][4]);
        dp[i][4]=min(dp[i][4],dp[i][5]);
        if(b[i]=='1')
            dp[i][3]=min({dp[i-1][0]+2,dp[i-1][1]+1,dp[i-1][3]+1,dp[i-1][3]});
        if(b[i]=='0')
            dp[i][2]=min(dp[i-1][0]+1,dp[i-1][2]);
        dp[i][2]=min({dp[i][2],dp[i][3]});
        if(a[i]!=b[i])
            dp[i][1]=min(dp[i-1][1],dp[i-1][0]+1);
        dp[i][1]=min({dp[i][1],dp[i][3],dp[i][5]});
        if(a[i]==b[i])
            dp[i][0]=dp[i-1][0];
        dp[i][0]=min({dp[i][0],dp[i][1],dp[i][2],dp[i][3],dp[i][4],dp[i][5]});
        //cout<<i<<": "<<dp[i][0]<<" "<<dp[i][1]<<" "<<dp[i][2]<<" "<<dp[i][3]<<" "<<dp[i][4]<<" "<<dp[i][5]<<"\n";
    }
    cout<<dp[n][0];
    return 0;
}

Subtask #1
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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 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 344 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 604 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 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Correct 0 ms 468 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #2
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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 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 344 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 604 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 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Correct 0 ms 468 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #3
4.0 / 4.0

# 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 22 ms 33652 KB Output is correct
8 Correct 23 ms 33540 KB Output is correct
9 Correct 23 ms 33544 KB Output is correct
10 Correct 23 ms 33540 KB Output is correct
11 Correct 23 ms 33544 KB Output is correct
12 Correct 24 ms 33672 KB Output is correct
13 Correct 23 ms 33540 KB Output is correct
14 Correct 23 ms 33544 KB Output is correct

Subtask #4
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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 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 344 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 604 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 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Correct 0 ms 468 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Output isn't correct
34 Halted 0 ms 0 KB -