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Cod sursa(job #681390)
#include<iostream>
#include<fstream>
using namespace std;
int n,a[50],b[50],m;
ifstream f("cmlsc.in");
void cit(){
f>>n>>m;
for(int i=1;i<=n;i++)
f>>a[i];
for(int i=1;i<=m;i++)
f>>b[i];
f.close();
}
int prog(int b[], int a[]){
int c[50][50],i,j;
for(i=1;i<=m;i++)
c[i][0]=0;
for(j=1;j<=n;j++)
c[0][j]=0;
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
if(a[i]==b[j])
c[i][j]=c[i-1][j-1]+1;
else c[i][j]=max(c[i][j-1],c[i-1][j]);
return c[m][n];
}
int main(){
cit();
ofstream g("cmlsc.out");
g<<prog(a,b);
g.close();
}