1)constn=5;vara:array[1..n,1..n]of integer;i,j:integer; begin for i:=1 to n do begin writeln; for j:=1 to n do begin a[i,j]:=i+j; write(a[i,j]:4); end; end; end.2) const n=4;m=5; vara:array[1..n,1..m]of integer;i,j,max:integer;begin for i:=1 to n do begin writeln; for j:=1 to m do begin a[i,j]:=random(100)-50; write(a[i,j]:4); end; end;max:=a[1,1];for i:=1 to n do for j:=1 to m do if a[i,j]>max then max:=a[i,j];writeln;writeln(max);for i:=1 to n do for j:=1 to m do if (a[i,j]<0)and(a[i,j]>-5)then a[i,j]:=max;writeln;for i:=1 to n do begin writeln; for j:=1 to m do write(a[i,j]:4); end;end.