Euler 002 go Solution

Problem

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:

\[1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...\]

By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.

Answer: 4613732

Solution

solution002.go

package go_euler

func Solution002() int {
  fib1 := 1
  fib2 := 1
  result := 0
  fibnext := 0

  for result < 4000000 {
    if result%2 == 0 {
      fibnext += result
    }

    result = fib1 + fib2
    fib2 = fib1
    fib1 = result
  }
  return fibnext
}

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Euler 002 go Solution

Problem

Solution

See Also