Problem 2: Even Fibonacci Numbers

Problem 2: Even Fibonacci Numbers

//https://www.freecodecamp.org/learn/coding-interview-prep/project-euler/problem-2-even-fibonacci-numbers

function fiboEvenSum(n) {
  // write a fibo sequence generator
  let fiboArr = [1,2]
  for(let i=0; i < n; i++){
    fiboArr.push(fiboArr[i] + fiboArr[i+1])

  }
  console.log(fiboArr)

  let runningTotal = 0;
  for(let j = 0; j < fiboArr.length;j++){
    if(fiboArr[j] % 2 == 0 && fiboArr[j] <= n){
      console.log(fiboArr[j])
      runningTotal = runningTotal + fiboArr[j]
    }
  }
  // test and track even numbers
  return runningTotal;
}

console.log(fiboEvenSum(10))

// This is the refactored version of the original solution we worked on during the first office hours. 

function fiboEvenSum(n) {
  // write a fibo sequence generator
  let fiboArr = [1,2]
  for(let i=0; (fiboArr[i] + fiboArr[i+1]) <= n; i++){
    fiboArr.push(fiboArr[i] + fiboArr[i+1])
  }
  console.log(fiboArr)

  let runningTotal = 0;
  for(let j = 0; j < fiboArr.length;j++){
    if(fiboArr[j] % 2 == 0 && fiboArr[j] <= n){
      console.log(fiboArr[j])
      runningTotal = runningTotal + fiboArr[j]
    }
  }
  // test and track even numbers
  return runningTotal;
}

console.log(fiboEvenSum(10))