var a,k,s: integer; begin read(a); k := 0; s := 0; while a mod 2 <> 0 do begin if abs(a) mod 10 > 5 then s := s + a; a := abs(a); if (a > 9) and (a < 100) then k := k + 1; read(a); end; writeln('k=',k,', s=',s) end.
{2}
var n,i,p,a: integer; begin read(n); p := 1; for i := 1 to n do begin read(a); if (a > 0) and (a mod 3 = 0) then p := p * a; end; writeln('p=',p) end.
{3}
var n,a,i,k,s: integer; begin read(n); k := 0; s := 0; for i := 1 to n do begin read(a); if a > 0 then begin s := s + a; k := k + 1; end; end; if k = 0 then k := 1; writeln('s=',s/k) end.
// PascalABC.NET 3.2, сборка 1389 от 01.03.2017 // Внимание! Если программа не работает, обновите версию!
begin var F:real->real:=x->2*x*x-6*x+8; var a,b:real; Write('a b= '); Read(a,b); Writeln('Min=',Range(a,b,9).Select(x->F(x)).Min) end.
Пример a b= -2 6 Min=3.50617283950617
2. Решение "по-школьному" ("дедушкин метод")
function F(x:real):real; begin F:=2*x*x-6*x+8 end;
var a,b,y,h,min:real; i:integer; begin Write('a b= '); Read(a,b); h:=(b-a)/9; min:=F(a); for i:= 1 to 9 do begin y:=F(a+i*h); if y<min then min:=y end; Writeln('Min=',min) end.
var
a,k,s: integer;
begin
read(a);
k := 0; s := 0;
while a mod 2 <> 0 do
begin
if abs(a) mod 10 > 5 then
s := s + a;
a := abs(a);
if (a > 9) and (a < 100) then
k := k + 1;
read(a);
end;
writeln('k=',k,', s=',s)
end.
{2}
var
n,i,p,a: integer;
begin
read(n);
p := 1;
for i := 1 to n do
begin
read(a);
if (a > 0) and (a mod 3 = 0) then
p := p * a;
end;
writeln('p=',p)
end.
{3}
var
n,a,i,k,s: integer;
begin
read(n);
k := 0; s := 0;
for i := 1 to n do
begin
read(a);
if a > 0 then
begin
s := s + a;
k := k + 1;
end;
end;
if k = 0 then k := 1;
writeln('s=',s/k)
end.