For Loop

A for loop is a programming language statement which allows code to be repeatedly executed.

The syntax is

for ( <expression_1> ; <expression_2> ; <expression_3> )
    <statement>

• expression_1 is used for intializing variables which are generally used for controlling the terminating flag for the loop.
• expression_2 is used to check for the terminating condition. If this evaluates to false, then the loop is terminated.
• expression_3 is generally used to update the flags/variables.

A sample loop is

for(int i = 0; i < 10; i++) {
    ...
}

In this challenge, you will use a for loop to increment a variable through a range.

Input Format

You will be given two positive integers, a and b (a ≤ b), separated by a newline.

Output Format

For each integer n in the inclusive interval [a,b]:

• If 1 ≤ n ≤ 9, then print the English representation of it in lowercase. That is “one” for 1, “two” for 2, and so on.
• Else if n > 9 and it is an even number, then print “even”.
• Else if n > 9 and it is an odd number, then print “odd”.

Note: 

[a, b] = {x ∈ Z | a ≤ x ≤ b} = {a, a + 1,…,b}

Sample Input

8
11

Sample Output

eight
nine
even
odd

Solution Implementation

#include <iostream>
#include <cstdio>
#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    string c[]={"","one","two","three","four","five","six","seven","eight","nine"};
    cin>>a>>b;
    for(int i=a;i<=b;i++)
        cout<<((i<=9)?c[i]:((i%2==0)?"even":"odd"))<<endl;
}