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  1. #include <iostream>
  2. #include <cstring>
  3. #include <stdio.h>
  4. using namespace std;
  5. string a,b,c;
  6. int mn, ca=0, cb=0;
  7. bool ra=false, rb=false, f=true;
  8. int main()
  9. {
  10.     freopen("in.txt","r",stdin);
  11.     freopen("out.txt","w",stdout);
  12.     cin>>a>>b>>c;
  13.     mn=c.length();
  14.     for(int i=0;i<c.length();i++){
  15.         if(c[i]==a[0]) ra=true;
  16.         if(c[i]==b[0]) rb=true;
  17.         if(ra) ca++;
  18.         if(rb) cb++;
  19.         if(c[i]==a[0]&&rb){ rb=false, f=false;
  20.         if(cb<mn) mn=cb, cb=0; }
  21.         if(c[i]==b[0]&&ra){ ra=false, f=false;
  22.         if(ca<mn) mn=ca, ca=0; }
  23. }
  24. if(f) cout<<"There's no such sequence";
  25. else cout<<mn-2;
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0s 3408KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/3GvC1p
language:
C++14 (clang 8.0)
created:
9 years ago
visibility:
public

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