显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
int next[10001];
int n,ans,len;
string s1,s2,a,b;
void getss()
{
int j=0; next[1]=0;
for (int i=2; i<=len; i++)
{
while (j!=0&&a[j+1]!=a[i]) j=next[j];
if (a[j+1]==a[i]) j++;
next[i]=j;
}
}
void zuo()
{
int j=0;
for (int i=1; i<=b.length()-1; i++)
{
while (j!=0&&a[j+1]!=b[i]) j=next[j];
if (a[j+1]==b[i])
{
j++;
if (j==len) ans++;
}
}
}
int main()
{
freopen("oulipo.in","r",stdin);
freopen("oulipo.out","w",stdout);
scanf("%d",&n);
for (int i=1; i<=n; i++)
{
ans=0;
cin>>s1>>s2;
memset(next,0,sizeof(next));
a=" "; b=" ";
a=a+s1; b=b+s2;
len=a.length()-1;
getss();
zuo();
cout<<ans<<endl;
}
return 0;
}