| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 937663 |
2024-03-04T10:19:43 Z |
groshi |
Lamps (JOI19_lamps) |
C++17 |
|
33 ms |
35648 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][3]+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][2]+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;
}
| # |
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 |
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 |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 17 |
Halted |
0 ms |
0 KB |
- |
| # |
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 |
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 |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 17 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
28 ms |
35488 KB |
Output is correct |
| 8 |
Correct |
26 ms |
35588 KB |
Output is correct |
| 9 |
Correct |
25 ms |
35648 KB |
Output is correct |
| 10 |
Correct |
30 ms |
35584 KB |
Output is correct |
| 11 |
Correct |
25 ms |
35584 KB |
Output is correct |
| 12 |
Correct |
33 ms |
35576 KB |
Output is correct |
| 13 |
Correct |
31 ms |
35640 KB |
Output is correct |
| 14 |
Correct |
28 ms |
35560 KB |
Output is correct |
| # |
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 |
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 |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 17 |
Halted |
0 ms |
0 KB |
- |
