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  1. program l3p4;
  2.  
  3. {$APPTYPE CONSOLE}
  4. {$CODEPAGE UTF8}
  5.  
  6. var
  7. a: array of array of real;
  8. n,sum,i,j: integer;
  9.  
  10. begin
  11. randomize;
  12.  
  13. write('Input n: '); read(n);
  14. SetLength(a,n,n);
  15. writeln; writeln;
  16.  
  17. for i:=1 to n-1 do
  18. begin
  19. for j:=1 to n-1 do
  20. begin
  21. a[i,j]:=random(100);
  22. write(a[i,j]:5:2,' ');
  23. end;
  24. writeln;
  25. end;
  26.  
  27. readln;
  28. end.
Success #stdin #stdout 0s 288KB
stdin
5
stdout
Input n: 

69.00 76.00 56.00 99.00 
 9.00 45.00  1.00 46.00 
43.00  4.00 57.00 83.00 
85.00 21.00 85.00 33.00