Q2. Print even numbers using a loop

Print even numbers in a loop until some given limit

From this solution notice how to declare function prototype declarations before you can use the functions in your programs

/* printevens.cpp */
#include <iostream>
using namespace std;
void printevens(int limit); //function prototype declaration
int main() {
    //call the printevens() function
    return 0;
void printevens(int limit) {
  for (int i = 1; i <= limit ; i++)
    if(i % 2 == 0)
      cout << i << "\t";
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