1)
for i := 1 to n do
read(a[i]);
for i := 1 to n do
if (a[i] div 100 = 0)and(a[i] div 10 > 0) then
write(a[i], ' ');
2)
for i := 1 to n do
read(a[i]);
for i := 1 to n do
if (a[i] mod 2 = 0) then
write(a[i], ' ');
3)
for i := 1 to n do
read(a[i]);
for i := 1 to n do
if (a[i] mod 2 = 0)then
a[i] := a[i]*2
else
a[i] := a[i] - 1;
for i := 1 to n do
wirte(a[i]);
Скатерть
Остров
Сумка
Товар
Автобус
Винтерлятор
private static void PrintSomeNumbers(int start_number, int count, int step)
{
Debug.Assert(count > 0);
for (var i = 0; i < count; i++)
{
for (var j = 0; j <= i; j++)
Console.Write(start_number + i + " ");
Console.WriteLine();
for (var j = 0; j <= i; j++)
Console.Write(start_number + i + step + " ");
Console.WriteLine();
}
}
полный код в приложении
#include <iostream>
using namespace std;
int main()
{
int res=0,a[100],n;
cout<<"Input N"<<endl;
cin>>n;
cout<<"Input elements."<<endl;
for (int i=0;i<n;i++)
cin>>a[i];
for (int i=0;i<n-1;i++)
if (((a[i]>=0) && (a[i+1]<0)) || ((a[i]<0) && (a[i+1]>=0)))
res+=1;
cout<<res;
return 0;
}<span>
</span>