**For Loop C++**

### Problem Statement :

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.

### Solution :

` ````
Solution in C :
#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
int main() {
vector<string> arr;
arr.push_back("zero");
arr.push_back("one");
arr.push_back("two");
arr.push_back("three");
arr.push_back("four");
arr.push_back("five");
arr.push_back("six");
arr.push_back("seven");
arr.push_back("eight");
arr.push_back("nine");
int a, b;
cin >> a >> b;
for(int i = a;i<=b;i++){
if(i > 9){
if(i % 2 == 0) cout << "even" << endl;
else cout << "odd" << endl;
}
else cout << arr[i] << endl;
}
return 0;
}
```

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