Tasks: Select if and else statements in c ++

369 thoughts on “Tasks: Select if and else statements in c ++”

1. Made only to end =|
   I want to share their undertakings = D

   #include
   #include
   using namespace std;

   bool b(int x)
   {
   for(int i = 2; i <= 4; i )
   {
   if (x == i)
   {
   return true;
   }
   }
   return false;
   }

   int main(int argc, char** argv)
   {
   setlocale(0,"");
   int x;
   do
   {
   cout <> x;
   if ((x % 100) / 10 == 1)
   {
   cout << x << " Долларов\n";
   }
   else {
   if ((x % 10) == 1)
   {
   cout << x << " Доллар\n";
   }
   else {
   if (b(x % 10))
   {
   cout << x << " Доллара\n";
   }
   else
   {
   cout << x << " Долларов\n";
   }
   }
   }
   }
   while(MessageBox(0,"Повторить?","",4) == IDYES);
   return 0;
   }

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2. cout – it std::cout
   Output =|

   Reply

   1. just use using namespace std and to better understand it, you should read about the namespace although I have not read it yet :D

      Reply

3. 3-I task)

   #include
   #include
   using namespace std;
   int main()
   {
   int a,b, f;
   cout <> a >> b >> f;
   cout << a << "*" << b << "=" << f;
   if (a*b==f)
   cout << " \npravilno";
   else
   cout << "\nnepravilno\n"<< "pravilniy otvet budet\n" << a * b ;
   }

   Reply

   1. #include
      using namespace std;
      int main()
      {
      int a,b, f;
      cin >> a >> b >> f;
      cout << a << "*" << b << "=" << f;
      if (a*b==f)
      cout << " \npravilno";
      else
      cout << "\nnepravilno\n"<< "pravilniy otvet budet\n" << a * b ;
      }

      Reply

4. int main()
   {
   setlocale(LC_ALL, “rus”);
   int x, Y, from;
   cout <> x;
   cout <> Y;
   z = x * Y;
   cin >> from;
   if (z = x * Y) cout << "вы ввели не верно";
   else cout << "вы ввели верно";
   }

   Reply

5. #include
   using namespace std;

   int main() {
   int a,b,res;
   cin >> a >> b >> res;

   if (a * b == nothing)
   {
   cout << "Congratulations, you're right"<<endl;
   }
   else {
   cout << "you are think that " << a << "*" << b << "=" << res << "?"<< endl;
   nothing a * b =;
   cout << "not, you're wrong, because " << a << "*"<<b<<"="<< res;
   }

   return 0;
   }

   Reply

6. improved task III

   #include
   #include
   #include
   using namespace std;

   int main()
   {
   int ch = 1;
   do
   {
   srand(time(NULL));
   int a, b, c, d;
   a = rand() % 10;
   b = rand() % 10;
   c = a * b;
   cout << a << " x " << b << " = ? " <> d;
   if (d == c)
   cout << "GJ" << endl;
   else {
   cout << " :( " << endl;
   }

   }
   while (ch == 1);
   system("pause");
   }

   Reply

7. multiplication table knowledge test
   #include

   using namespace std;

   void main()
   {
   setlocale(LC_ALL, “ru”);

   int a = 0,i=0;

   for (a = 0; a < 3; )
   {
   int b, c, d, e;

   cout << "введите 2 number" <> b >> c;
   d = b * c;
   cout << "введите результат умножение этих чмсел" <> e;
   if (d == e)
   a++;
   else
   {
   i ;
   }

   }
   cout << "Неправельных ответов = " << i << endl;

   system("pause");

   }

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8. #include
   using namespace std;
   int main()
   {
   int a,b,c;
   cout<<"Введите первое однозначное число"<>a;
   cout<<"Введите второе однозначное число"<>b;
   if(a=10)
   {
   cout<<"Разрешенно вводить только однозначные числа"<<endl;
   return 0;
   }
   if(b10)
   {
   cout<<"Разрешенно вводить только однозначные числа"<<endl;
   return 0;
   }
   else
   cout<<"Введите результат умножения?"<>c;
   if(a*b==c)
   {
   cout<<"Правильно!!"<<endl;
   }
   else
   cout<<"Учи таблицу\n"<<"Правильный ответ: "<<c<<endl;
   return 0;
   }

   Reply