title: Find Index Given Fibonacci Number Constant Time 1
signature: func findIndexGivenFibonacciNumberConstantTime1(n int) int {
test_code: package main
  
  import (
      "fmt"
      "reflect"
      "math"
      "sort"
  )
  
  // SOLUTION CODE
  // ===================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE
  // ===================================
  func validateSolution(actual int, expected int) bool {
      return reflect.DeepEqual(actual,expected)
  }
  
  func driver(n int, expected int) string {
      if validateSolution(PLACEHOLDER_FN_NAME(n),expected) {
              return "PASSED"
      }
      return "FAILED"
  
  }
  
  func main() {
  
      // Use imports to avoid undefined errors
      var _ = reflect.DeepEqual
      _ = math.Abs
      _ = sort.Sort
      result := ""
      result = driver(20, 8)
      fmt.Printf("TEST-0...%s\n", result)
      
      result = driver(95, 11)
      fmt.Printf("TEST-1...%s\n", result)
      
      result = driver(39, 9)
      fmt.Printf("TEST-2...%s\n", result)
      
      result = driver(21, 8)
      fmt.Printf("TEST-3...%s\n", result)
      
      result = driver(94, 11)
      fmt.Printf("TEST-4...%s\n", result)
      
      result = driver(79, 11)
      fmt.Printf("TEST-5...%s\n", result)
      
      result = driver(56, 10)
      fmt.Printf("TEST-6...%s\n", result)
      
      result = driver(62, 10)
      fmt.Printf("TEST-7...%s\n", result)
      
      result = driver(23, 8)
      fmt.Printf("TEST-8...%s\n", result)
      
      result = driver(3, 4)
      fmt.Printf("TEST-9...%s\n", result)
      
          
  }
source_py: def find_index_given_fibonacci_number_constant_time_1(n):
      fibo = ((2.078087 * math.log(n)) + 1.672276)
      return round(fibo)
source_cpp: int find_index_given_fibonacci_number_constant_time_1(int n) {
    float fibo = 2.078087 * log ( n ) + 1.672276;
    return round ( fibo );
  }