Submission #869606

# Submission time Handle Problem Language Result Execution time Memory
869606 2023-11-05T03:16:08 Z 12345678 Lamps (JOI19_lamps) C++17
4 / 100
19 ms 27552 KB
#include <bits/stdc++.h>

using namespace std;

const int nx=1e6+5;
int dp[nx][6], n;
string a, b;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>a>>b;
    dp[0][1]=dp[0][2]=dp[0][3]=dp[0][4]=dp[0][5]=1e9;
    for (int i=1; i<=n; i++)
    {
        dp[i][0]=dp[i][1]=dp[i][2]=dp[i][3]=dp[i][4]=dp[i][5]=1e9;
        int mn=min({dp[i-1][0], dp[i-1][1], dp[i-1][2], dp[i-1][3], dp[i-1][4], dp[i-1][5]});
        if (a[i-1]==b[i-1]) dp[i][0]=mn;
        if (b[i-1]=='1') dp[i][1]=min({dp[i-1][1], mn+1, dp[i-1][4]}), dp[i][4]=min({dp[i-1][4], mn+2, dp[i-1][2]+1, dp[i-1][3]+1});
        if (b[i-1]=='0') dp[i][2]=min({dp[i-1][2], mn+1, dp[i-1][5]}), dp[i][5]=min({dp[i-1][5], mn+2, dp[i-1][1]+1, dp[i-1][3]+1});
        if (a[i-1]!=b[i-1]) dp[i][3]=min({dp[i-1][3], mn+1, dp[i-1][4], dp[i-1][5]});
    }
    cout<<min({dp[n][0], dp[n][1], dp[n][2], dp[n][3], dp[n][4], dp[n][5]});
}
# 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 1 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 348 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 436 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 464 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Incorrect 0 ms 348 KB Output isn't correct
20 Halted 0 ms 0 KB -
# 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 1 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 348 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 436 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 464 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Incorrect 0 ms 348 KB Output isn't correct
20 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 17 ms 27088 KB Output is correct
8 Correct 18 ms 27308 KB Output is correct
9 Correct 18 ms 27088 KB Output is correct
10 Correct 18 ms 27304 KB Output is correct
11 Correct 18 ms 27300 KB Output is correct
12 Correct 19 ms 27312 KB Output is correct
13 Correct 19 ms 27552 KB Output is correct
14 Correct 18 ms 27340 KB Output is correct
# 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 1 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 348 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 436 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 464 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Incorrect 0 ms 348 KB Output isn't correct
20 Halted 0 ms 0 KB -