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   | #include<bits/stdc++.h> using namespace std;
  int T,n,m; const int N=500510; char a1[N],b1[N]; vector<int> ans;
  int check(char a[N],char b[N]) {     int r=0,l=0;     int cnt=0;     int head=0;     while(l<m)     {         if(a[r]==b[l]||a[r]+32==b[l]||a[r]==b[l]+32)         {             if(r==n-1)             {                 cnt++;                 r=0;                 head++;                 l=head;             }             else             {                 r++;                 l++;             }         }         else         {             head++;             r=0;             l=head;         }     }     return cnt; } int main() {     cin>>T;     while(T--)     {         cin>>n>>m;         for(int i=0;i<n;i++) cin>>a1[i];         for(int i=0;i<m;i++) cin>>b1[i];         ans.push_back(check(a1,b1));     }     for(auto i:ans) cout<<i<<endl;     return 0; }
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