This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const long long MX=1e6+10;
int nw1[2][2]={{0,1},{0,0}};
int nw2[3][3]={{0,1,0},{1,0,0},{1,1,0}};
int dp[MX][3][2];
int ans[MX];
int a[MX];
int b[MX];
int main()
{
cin.tie(0);
ios_base::sync_with_stdio(0);
int n;
cin>>n;
string oa,ob;
cin>>oa>>ob;
for(int i=1;i<=n;i++)
{
a[i]=(oa[i-1]-'0');
b[i]=(ob[i-1]-'0');
}
for(int i=0;i<=n;i++)
{
ans[i]=MX;
for(int j=0;j<3;j++)
{
for(int k=0;k<2;k++)
{
dp[i][j][k]=MX;
}
}
}
dp[0][2][0]=0;
for(int i=1;i<=n;i++)
{
for(int j=0;j<3;j++)
{
for(int k=0;k<2;k++)
{
if((((j==2)?a[i]:j)^k)!=b[i])
{
continue;
}
for(int mnj=0;mnj<3;mnj++)
{
for(int mnk=0;mnk<2;mnk++)
{
dp[i][j][k]=min(dp[i][j][k],dp[i-1][mnj][mnk]+nw1[mnk][k]+nw2[mnj][j]);
ans[i]=min(ans[i],dp[i][j][k]);
}
}
}
}
}
cout<<ans[n]<<"\n";
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |