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Cod sursa(job #856406)
#include<fstream>
using namespace std;
char a[1000],b[1000];
int i,j,n,m,c[1000];
int main()
{
ifstream f("strmatch.in");
ofstream g("strmatch.out");
f >> n >> m;
for (i=1;i<=n;i++)
f >> a[i];
for (i=1;i<=m;i++)
f >> b[i];
for (i=2;i<=m;i++)
{
j=c[i-1];
while ((b[i]!=b[j+1]) && (j>0))
j=c[j];
if (b[i]==b[j+1])
c[i]=j+1;
}
for (i=1;i<=n;i++)
{
while ((a[i]!=b[j+1]) && (j>0))
j=c[j];
if (a[i]==b[j+1])
j++;
if (j==m)
g << i-j+1 << ' ';
}
return 0;
}