present simple общие does he go to school every day? does she really like singing? is it cold today? do cats catch mice? has he got a real friend? альтернативные does she go to shool every day or once a month? do cats catch mice or dogs? is the earth round or square? is russia bigger or smaller than other countries? does he like skiing or skating? специальные what does he do at school every day? who likes dancing? when does winter come? where does she live? what does she always wait for? present progressive общие is it raining now? is the sun shining at the moment? is he writing his composition now? are they swimming in the pool at the moment? are you doing your homework? альтернативные are you doing your homework or watching tv now? is it raining or snowing now? are they flying to italy or to canada now? is he reading a book or a web-page? is she clever or not? специальные what is she looking forward for? where are they going to go next summer? when is he leaving for france? whom is she writing an e-mail? what are they doing now?
procedure cube(a,b,c,d,e:real); Var p,q,delta,phi,i:real; y:array[1..3] of real; begin p:=(3*a*c-sqr(b))/(3*sqr(a)); q:=(2*power(b,3)-9*a*b*c+27*sqr(a)*d)/(27*power(a,3)); delta:=power(q/2,2)+power(p/3,3); if delta<0 then begin if q<0 then phi:=arctan(sqrt(-delta)/(-q/2)); if q>0 then phi:=arctan(sqrt(-delta)/(-q/2))+pi; if q=0 then phi:=pi/2; y[1]:=2*sqrt(-p/3)*cos(phi/3); y[2]:=2*sqrt(-p/3)*cos(phi/3+(2*pi)/3); y[3]:=2*sqrt(-p/3)*cos(phi/3+(4*pi)/3); var x:=seq(y[1]-b/(3*a),y[2]-b/(3*a),y[3]-b/(3*a)); write(x.where(x -> x<>e).where(x -> frac(x)=0).where(x -> x>=0).Where(x -> x<=1000).Distinct.Count); end; if delta>0 then begin var arsom:=range(0,1000).Where(x->(a*power(x,3)+b*x*x+c*x+d)/(x-e)=0); write(arsom.Count); {Мы не виноваты, Паскаль не может в комплексные числа} end; if delta=0 then begin y[1]:=2*power(-q/2,1/3); y[2]:=-power(-q/2,1/3); var x:=seq(y[1]-b/(3*a),y[2]-b/(3*a)); write(x.where(x -> x<>e).where(x -> frac(x)=0).where(x -> x>=0).Where(x -> x<=1000).Distinct.Count); end; end;
procedure square(a,b,c,e:real); Var d:real; begin d:=sqr(b)-4*a*c; if d<0 then writeln('0'); if d>0 then begin var x:=arr((-b+sqrt(d))/(2*a),(-b-sqrt(d))/(2*a)); write(x.where(x -> x<>e).where(x -> frac(x)=0).where(x -> x>=0).Where(x -> x<=1000).Distinct.Count); end; if d=0 then begin var x:=arr(-b/(2*a)); write(x.where(x -> x<>e).where(x -> frac(x)=0).where(x -> x>=0).Where(x -> x<=1000).Distinct.Count); end; end;
procedure common(a,b,e:real); begin var x:=arr(-b/a); write(x.where(x -> x<>e).where(x -> frac(x)=0).where(x -> x>=0).Where(x -> x<=1000).Distinct.Count); end;
procedure awfulvar(e:real); begin if (e>=0) and (e<=1000) then writeln('1000') else writeln('1001'); end;
procedure otherawfulvar(e:real); begin if e<>0 then writeln('1') else writeln('0'); end;
begin read(a,b,c,d,e); if (a<>0) and (b<>0) then cube(a,b,c,d,e); if (a=0) and (b<>0) then square(b,c,d,e); if (a=0) and (b=0) and (c<>0) and (d<>0) then common(c,d,e); if (a=0) and (b=0) and (c=0) and (d=0) then awfulvar(e); if (a=0) and (b=0) and (c<>0) and (d=0) then otherawfulvar(e); if (a=0) and (b=0) and (c=0) and (d<>0) then writeln('0'); end.
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