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Cod sursa(job #212652)
#include<cstdio>
#include<cstring>
#define M 2000001
char a[M],b[M];
long p[M],R[M],r;
void st()
{
scanf("%s%s",a,b);
int n=strlen(a),m=strlen(b);
int k=0,i;
for(i=2;i<=n;i++)
{
while(k>0&&a[k]!=a[i-1])
k=p[k];
if(a[k]==a[i-1])
k++;
p[i]=k;
}
k=0;
for(i=1;i<=m;i++)
{
while(k>0&&a[k]!=b[i-1])
k=p[k];
if(a[k]==b[i-1])
k++;
if(k==n) R[++r]=i-n+1;
}
}
void af()
{
printf("%ld\n",r);
for(int i=1;i<=r;i++)
printf("%ld ",R[i]);
}
int main()
{
freopen("strmatch.in","r",stdin);
freopen("strmatch.out","w",stdout);
st();
af();
return 0;
}