Tasks: Select if and else statements in c ++

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

1. [code]
   #include
   using namespace std;
   int main()
   {

   setlocale(LC_ALL, “rus”);
   int ival1 = 0;
   int ival2 = 0;
   int ival3 = 0;
   cout << "введите 2 and the third number—the multiplication result:"
   cin >> ival1;
   cin >> ival2;
   cin >> ival3;
   if (ival1*ival2 == ival3)
   cout << "замечательно умножаете!!!";
   else
   cout << "тут ошибка!!!";
   }
   [/code]

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   1. It is certainly remarkable, but the task is said: The user enters two single-digit numbers. Unambiguous, and you have completed the program in which you can enter any number, you need to add a loop to check the entered numbers on the number of characters. The multiplication table of 1 to 9

      Reply

      1. Something like this….
         [code]
         #include
         using namespace std;

         int main()
         {
         setlocale(LC_ALL, “rus”);

         int number1 = 0;
         int number2 = 0;
         int result = 0;

         cout <> number1;
         if ((number1 >0) && (number1 <10))
         {
         cout <> number2;
         if ((number2 >0) && (number2 <10))
         {
         cout << "Result " << number1 << "*" << number2 <> result;
         int goodResult = 0;
         goodResult = number1 * number2;
         if (goodResult == result)
         cout << "Perfect" << endl;
         else
         cout << "Error " << number1 << "*" << number2 << "=" << number1*number2 << endl;
         }
         else
         cout << "Fuck you need to 1 – 9" << endl;
         }
         else
         cout << "Fuck you need to 1 – 9" << endl;

         return 0;
         }
         [/code]

2. 2 a task

   [code]
   /*The user enters the serial number of the finger.
   It should show its name on the screen. * /

   #include
   using namespace std;

   int main()
   {
   setlocale(LC_ALL, “Rus”);
   int number;
   cout << "Введите номер пальца"
   cin >> number;
   if (number = 6)
   cout << "Вы ввели неверный номер!" << endl;
   else
   {
   if (number == 1) cout << "Большой палец" << endl;
   else if (number == 2) cout << "Указательный палец" << endl;
   else if (number == 3) cout << "Средний палец" << endl;
   else if (number == 4) cout << "Безымяный палец" << endl;
   else if (number == 5) cout << "Мезинец палец" << endl;
   }
   system("pause");
   return 0;
   }
   [/code]

   Reply

3. I am waiting for advice and editing from pros :

   #include
   using namespace std;

   int main()
   {
   setlocale(LC_ALL, “russian”);
   int first = 0;
   int second = 0;
   int third;

   do {
   cout << "Введите два однозначных числа (0 to exit)\n";
   cout <> first;
   if(first == 0) return 0;
   cout <> second;

   while(first != second) {
   cout << "Числа не однозначны!\n";
   cout <> first;
   if(first == 0) return 0;
   cout <> second; }

   cout <> third;

   if(first * second == third)
   cout << "Правильно!\n";
   else cout << "Неправильно!\n" << "Правильный вариант ответа: " << first * second << "\n";
   } while (third != 0);

   return 0;
   system("pause");

   }

   Reply

4. Regarding the first task. I am in my life would not have thought of such a thing. Opening decision, got it, but how to think of it before this question. Generally where to start, such programming is such a thing as a block diagram, I just heard about it. but I do not know how to use it. On the other tasks issues have arisen, pretty simple.

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5. The first task: thousands of text or small letters, or complicate and automatically change to hundreds, tens and units.

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6. #include int main() { int numberOne, numberTwo,result, manResult; std::cout<>numberOne; std::cout<>numberTwo; result=numberOne*numberTwo; std::cout<<"How much "<<numberOne<<'*'<<numberTwo<<"= "<> manResult; if (manResult==result) { std::cout<<"Ok this's the right answer!"; std::cout<<numberOne<<'*'<<numberTwo<<"= "<<manResult<<'\n'; //Если ответ верен вывести его на экран } else { std::cout<<"Error! This's bad..."; std::cout<<numberOne<<'*'<<numberTwo<<"= "<<result<<'\n'; //Если ответ не верен вывести верный ответ } }

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   #include   int main() {    int numberOne, numberTwo,result, manResult;      std::cout<>numberOne;                                                                             std::cout<>numberTwo;      result=numberOne*numberTwo;        std::cout<<"How much "<<numberOne<<'*'<<numberTwo<<"= "<> manResult;      if (manResult==result)        {            std::cout<<"Ok this's the right answer!";            std::cout<<numberOne<<'*'<<numberTwo<<"= "<<manResult<<'\n'; //Если ответ верен вывести его на экран        }    else         {            std::cout<<"Error! This's bad...";            std::cout<<numberOne<<'*'<<numberTwo<<"= "<<result<<'\n';         //Если ответ не верен вывести верный ответ         } }

   Reply

7. #include

   using namespace std;

   int main()
   {
   cout << "\t\t***tabl_umNojeNia***\n\n"<< endl;

   int a, b, res;

   cout <> a >> b;

   if (a > 10 || a < 2)
   {
   cout < 10 || b < 2)
   {
   cout << " error! \n";
   return -1;
   }

   cout <> res;

   int i;

   i = a*b;

   if (res > i || res < i)
   {
   cout << "incorrect answer!!!\n " << i;
   }

   if (res = i)
   {
   cout << " correct answer)";
   }

   return 0;
   }

   Reply

8. #include
   #include
   using namespace std;

   int main()
   {
   setlocale(LC_ALL, “rus”);
   int a, b, c, d, e;
   cout << "Ââåäèòå ïåðâóþ öèôðó: " <> a;
   cout << "Ââåäèòå âòîðóþ öèôðó: " <> b;
   cout << "Íàçîâèòå êàêîâ ðåçóëüòàò: " <> c;
   d = a * b;
   if (c !=d)
   {
   cout << "Âàø îòâåò íå âåðíûé ìóäàê!!!" << endl;
   cout << "Íàæìè íà êíîïêó ÷òîáû óçíàòü ïðàâèëüíûé îòâåò " <> e;
   cout << "Âàø îòâåò ðàâåí: " << d << endl;
   }
   else if (c==d)
   {
   cout << "Âû ââåëè ïðàâèëüíûé îòâåò, îäèí õóé òû ìóäàê!!! " << endl;
   cout << "Âàø îòâåò ðàâåí: " << d << endl;
   }

   return 0;
   }

   Reply

   1. Well?
      И что это было?

      Reply