VarA:array[1..5,1..5] of integer;i,j:integer;BeginWriteLn('Исходный массив:');For i:= 1 to 5 do Begin For j:= 1 to 5 do Begin A[i,j]:=random(21)-10; Write(A[i,j]:3,' ') End; WriteLn End;WriteLn;WriteLn('Обработанный массив:');For i:= 1 to 5 do Begin For j:= 1 to 5 do Begin if i=j then if A[i,j] < 0 then A[i,j]:=0; Write(A[i,j]:3,' ') End; WriteLn; EndEnd.