For Loop in C++ | HackerRank Solution

Today we will be solving For Loop in C++ Hackerrank Problem.

for loop in C++ hackerrank Solution


In this challenge, you will learn the usage of the for loop, which is a programming language statement which allows code to be executed until a terminal condition is met. They can even repeat forever if the terminal condition is never met.

The syntax for the for loop is:

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

    expression_1 is used for initializing 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.

The following loop initializes i to 0, tests that i is less than 10, and increments i at every iteration. It will execute 10 times.

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

 To learn about Loops and for loops in c in more details and depth. Read this.


For each integer n in the interval [a,b] (given as input) :

  • 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”.

Input Format

The first line contains an integer, a.

The second line contains an integer, b.



Output Format

Print the appropriate English representation,even, or odd, based on the conditions described in the ‘task’ section.

Note: [a,b] = {x ∈ Z | axb}

  • Sample Input



  • Sample Output





SOLUTIONS For Loop in C++

#include &lt;iostream&gt;
#include &lt;cstdio&gt;
using namespace std;

int main() {
    // Complete the code.
     int a,b;
    cin &gt;&gt; a &gt;&gt; b;
    for(int i = a ; i&lt;=b ; i++)
        if((a&gt;=1 &amp;&amp; a&lt;=9))
            string name[10]={"","one","two","three","four","five","six","seven","eight","nine"};
             cout &lt;&lt; name[a] &lt;&lt;"\n";
             cout &lt;&lt; "even\n" ;
              cout &lt;&lt; "odd\n";
    return 0;
for loop in C++ Hackerrank Solution
for loop in c++ hackeerank solution

Disclaimer: The above problem (For Loops in C++) is generated by Hackerrank but the solution is generated by CodingBroz.

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