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Cod sursa(job #699614)
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
int refac(int i, int j, int a[1050], int b[1050],int mat[1050][1050])
{
if(i==0 || j==0)
return 0;
if(a[i]==b[j])
{g<<a[i]<<" ";
refac(i-1,j-1,a,b,mat);
}
else if(mat[i-1][j]>mat[i][j-1])
refac(i-1,j,a,b,mat);
else refac(i,j-1,a,b,mat);
}
int mat[1050][1050],a[1050],b[1050];
int main()
{int n,m,i,j;
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=m;i++)
f>>b[i];
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{if(a[i]==b[j])
mat[i][j]=1+mat[i-1][j-1];
else if(mat[i-1][j]>mat[i][j-1])
mat[i][j]=mat[i-1][j];
else mat[i][j]=mat[i][j-1];
}
g<<mat[n][m]<<endl;
refac(n,m,a,b,mat);
return 0;}