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Jun 12th, 2018
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Pascal 0.58 KB | None | 0 0
  1. var a, b:array [1..100] of real;
  2.     n, i, j:integer;
  3.     c:real;
  4.  
  5. begin
  6.    repeat
  7.       readln(n);
  8.    until (n < 101) and (n > 0);
  9.  
  10.    for i := 1 to n do readln(a[i], b[i]);
  11.  
  12.    //dakle bit je da se mnozi i zbraja suprotno, a[] se povecava, a b[] snizava
  13.  
  14.    for i := 1 to n do
  15.       begin
  16.          writeln(a[i]:10:2, b[i]:10:2);   //u istoj petlji ispisujemo i racunamo
  17.          c := c + (a[i] * b[n - (i - 1)]);      //ovo se moglo i s posebnom varijablom koju snižavamo svakim prolazom
  18.       end;
  19.  
  20.       writeln(c:10:2); //ispisemo rezultat...
  21.  
  22.       readln;
  23.    end.
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