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  1. program ideone;
  2. var
  3. a,b:integer;
  4. c:real;
  5. begin
  6. readln(a);
  7. readln(b);
  8. c := sqrt(a*a+b*b);
  9. writeln(c);
  10. end.
Success #stdin #stdout 0s 4588KB
stdin
3
4
stdout
 5.0000000000000000E+000