Const nx=30;var i,j,p,n:integer;A:array[1..nx,1..nx] of integer;d,Sn,min:real;begin p:=1;write('Введите размер матрицы');Read(n);for i:=1 to n do beginfor j:=1 to n do beginA[i,j]:=random(3)-2;write(A[i,j]:4);end;writeln;end;writeln;writeln;for i:=1 to n do beginfor j:=1 to n do beginif i = j then begin if A[i,j]<> 0 then p:=p* A[i,j];write(A[i,j]:4);endelse write(' ':4);end;writeln;end;write('p =',p);writeln;writeln;for i:=1 to n do beginfor j:=1 to n do beginif (i= n -j +1) then begin if A[i,j]<> 0 then p:=p* A[i,j];write(A[i,j]:4);endelse write(' ':4);end;writeln;end;write('p =',p);end.
Ms dos qbasic 1.0: cls randomize timer input "k = ", k input "l = ", l dim x! (k, l) for i = 1 to k for j = 1 to l x(i, j) = rnd * 21 - 10 print using "###"; x(i, j); print ; " "; next j print next i for i = 1 to l * 4 - 1 print ; "_"; next i print for n = 1 to l for i = 1 to l - n - 1 if x(i, 2) < x(i + 1, 2) then b = x(i, 2) x(i, 2) = x(i + 1, 2) x(i + 1, 2) = b end if next i next n for i = 1 to k for j = 1 to l print using "###"; x(i, j); print " "; next j print next i end
