Program Alexandra_1;
uses crt;
const n=5;
var
a:array[1..n] of integer;
i, sum: integer;
begin
sum:=0;
for i:=1 to n do
begin
write('Введите ',i,'-e число ');
readln(a[i]);
if a[i]>0 then sum:=sum+a[i];
end;
writeln('Сумма положительных элементов ',sum);
end.
Program Alexandra_2;
uses crt;
const n=7;
var
a:array[1..n] of integer;
i, num: integer;
begin
num:=0;
for i:=1 to n do
begin
write('Введите ',i,'-e число ');
readln(a[i]);
if (a[i]>0) AND (a[i] mod 2 = 0) then num:=num+1;
end;
writeln('Количество четных положительных элементов ',num);
end.
Program Alexandra_3;
uses crt;
const n=6;
var
a:array[1..n] of integer;
i, tum: integer;
begin
tum:=1;
for i:=1 to n do
begin
write('Введите ',i,'-e число ');
readln(a[i]);
if a[i]>0 then tum:=tum*a[i];
end;
writeln('Произведение положительных элементов ',tum);
end.
var
a,i,n,a1:integer;
begin
a1:=30000;
read(n);
for i:=1 to n do begin
read(a);
if (a<a1) and (a div 10 <10) and (a div 10 >1)and (a mod 2 = 0) then a1:=a;
end;
writeln(a1);
end.
var
b,x,c:real;
i,n,a:integer;
begin
x:=0;
b:=0;
read(n);
for i:=1 to n do begin
read(a);
if (a mod 7 = 0) or (a mod 3 = 0) then b:=b+a;
if (a mod 7 =0) or (a mod 3 = 0) then x:=x+1;
end;
c:=b/x;
writeln(c);
end.
var
a,b,x,i,n:integer;
begin
x:=0;
read(n);
for i:=1 to n do begin
read(a);
if (a mod 10 <>1) and (a mod 2 = 1) then x:=x+1;
end;
writeln(x);
end.