An integer (never a fraction) that cannot be divided exactly by 2. For example, 3 is an odd number, i.e., 3 % 2 = 1 (not zero).
Note: % is a Modulus (Division Remainder) operator, it finds the remainder after division of one number by another. Please check our Arithmetic Operators for more details.
In the following example, we will find all the Odd Numbers between 10 and 25 using for loop.
Example
C++ Compiler
#include<iostream>using namespace std;
int main()
{
int start =10;
int end =25;
cout <<"Odd numbers between "<< start <<" and "<< end <<":\n";
for(start=start; start<=end; start++)
{
if(start %2!=0)
cout << start <<" ";
}
return0;
}
Output
Odd numbers between 10 and 25:
11 13 15 17 19 21 23 25
Using While Loop
In the following example, we will find all the Odd Numbers between 10 and 25 using while loop.
Example
C++ Compiler
#include<iostream>using namespace std;
int main()
{
int start =10;
int end =25;
cout <<"Odd numbers between "<< start <<" and "<< end <<":\n";
while(start <= end)
{
if(start %2!=0)
cout << start <<" ";
start++;
}
return0;
}
Output
Odd numbers between 10 and 25:
11 13 15 17 19 21 23 25
Using do while Loop
In the following example, we will find all the Odd Numbers between 10 and 25 using do while loop.
Example
C++ Compiler
#include<iostream>using namespace std;
int main()
{
int start =10;
int end =25;
cout <<"Odd numbers between "<< start <<" and "<< end <<":\n";
do{
if(start %2!=0)
cout << start <<" ";
start++;
}while(start <= end);
return0;
}
Output
Odd numbers between 10 and 25:
11 13 15 17 19 21 23 25
Odd Numbers between any Given Range
In the following example, we will find all the Odd numbers between any given range.
Example
C++ Compiler
#include<iostream>using namespace std;
int main()
{
int start, end;
cout <<"Enter a (int) starting number: ";
cin >> start;
cout <<"Enter an (int) ending number: ";
cin >> end;
cout <<"\nOdd numbers between "<< start <<" and "<< end <<":\n";
for(start=start; start<=end; start++)
{
if(start %2!=0)
cout << start <<" ";
}
return0;
}
Output
Enter a (int) starting number: 5
Enter an (int) ending number: 11
Odd numbers between 5 and 11:
5 7 9 11
Check Whether the Given Number is Odd or Even
In the following example, we will check whether the given number is an Odd number or Even number.
Example
C++ Compiler
#include<iostream>using namespace std;
int main()
{
int num;
cout <<"Enter a (int) number: ";
cin >> num;
if(num %2==0)
cout << num <<" is an even number";
else
cout << num <<" is an odd number";
return0;
}
Output
Enter a (int) number: 65
65 is an odd number
Reminder
Hi Developers, we almost covered 90% of String functions and Interview Question on C++ with examples for quick and easy learning.
We are working to cover every Single Concept in C++.