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  1. Program duplicate_chaine;
  2. Var ch:string[20];
  3. res:string;
  4. i,j:integer;
  5. Begin
  6. Writeln('ch = ');
  7. readln(ch);
  8. res:='';
  9. For i:=1 To length(ch) Do
  10. For j:=1 To i Do
  11. res:=res+ch[i];
  12. Writeln(res);
  13. End.
Success #stdin #stdout 0s 288KB
comments (?)
stdin
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bac
stdout
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ch = 
baaccc
https://ideone.com/MVu4uD
language:
Pascal (fpc 3.0.4)
created:
7 years ago
visibility:
secret

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