In this tutorial, we will discuss a concept of the Display even and odd numbers without if statement in C++ programming language
In this post, we are going to learn how to display even and odd numbers without using if statement in C++ programming language.
First, we must understand how to identify an odd and even numbers
What is Even or Odd
When the number is divided by 2 and the balance becomes zero and the above number is called as the even number – eg 2,4,6,8,10
and on the other sides when it is divided by 2 and balance becomes 1 they are called as odd numbers or uneven numbers
-eg 1,3,5,7,9
In my previous post, I have explained the various approaches to print even and odd numbers using if statements in C++ language
here, we will discuss how to display odd and even numbers without if statements in C++ programming language
There are three programs given below
Program 1
The program allows the user to enter a maximum number for display odd and even numbers using for loop in C++
It will display the even and odd numbers without using if statements
#include <iostream> #include <conio.h> using namespace std; int main() { int i,num; cout<<"Enter the maximum number\n"; cin>>num; cout<<"Even numbers are :"; //print even numbers using for loop without if statements for(i=2; i<=num; i+=2){ cout<<i<<" "; } cout<<"\nOdd numbers are :"; //print odd numbers using for loop without if statements for(i=1; i<=num; i+=2){ cout<<i<<" "; } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the maximum number 25 Even numbers are : 2 4 6 8 10 12 14 16 18 20 22 24 Odd numbers are : 1 3 5 7 9 11 13 15 17 19 21 23 25
Program 2
The program allows the user to enter the maximum number for print odd and even numbers using while loop in C++ language
It will print the even and odd numbers without using if statements
#include <iostream> #include <conio.h> using namespace std; int main() { int i,num; cout<<"Enter the maximum number\n"; cin>>num; cout<<"Even numbers are :"; //print even numbers using for loop without if statements i=2; while(i<=num){ cout<<i<<" "; i+=2; } cout<<"\nOdd numbers are :"; //print odd numbers using for loop without if statements i=1; while(i<=num){ cout<<i<<" "; i+=2; } getch(); return 0; }
When the above code is executed, it produces the following results
Enter the Maximum number 30 Even numbers are : 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Od numbers are: 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29
Program 3
The program allows the user to enter the maximum number for print odd and even numbers using the do-while loop in C++ language
Then, it will print the even and odd numbers without using if statements in C++ language
#include <iostream> #include <conio.h> using namespace std; int main() { int i,num; cout<<"Enter the maximum number\n"; cin>>num; cout<<"Even numbers are :"; //print even numbers using for loop without if statements i=2; do{ cout<<i<<" "; i+=2; }while(i<=num); cout<<"\nOdd numbers are :"; //print odd numbers using for loop without if statements i=1; do{ cout<<i<<" "; i+=2; }while(i<=num); getch(); return 0; }
When the above code is executed, it produces the following results
Enter the maximum number 40 Even numbers are : 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Odd numbers are: 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
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