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program Ch2;
{$mode objfpc}
uses
SysUtils,Types;
var
Arr,Arr2:TIntegerDynArray;
function Summations(Arr:TIntegerDynArray):Integer;
var
I,J:Integer;
begin
for I := Low(Arr) to High(Arr) do
for J := I+1 to Pred(High(Arr)) do
Arr[J+1] := Arr[J] + Arr[J+1];
Result := Arr[High(Arr)];
end;
begin
Arr := TIntegerDynArray.Create(1,2,3,4,5);
WriteLn(Summations(Arr));
Arr2 := TIntegerDynArray.Create(1,3,5,7,9);
WriteLn(Summations(Arr2));
end.
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