title: Count Fibonacci Numbers Given Range Log Time
signature: func countFibonacciNumbersGivenRangeLogTime(low int, high 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(low int, high int, expected int) string {
      if validateSolution(PLACEHOLDER_FN_NAME(low, high),expected) {
              return "PASSED"
      }
      return "FAILED"
  
  }
  
  func main() {
  
      // Use imports to avoid undefined errors
      var _ = reflect.DeepEqual
      _ = math.Abs
      _ = sort.Sort
      result := ""
      result = driver(76, 
  	43, 0)
      fmt.Printf("TEST-0...%s\n", result)
      
      result = driver(96, 
  	52, 0)
      fmt.Printf("TEST-1...%s\n", result)
      
      result = driver(19, 
  	79, 3)
      fmt.Printf("TEST-2...%s\n", result)
      
      result = driver(36, 
  	2, 0)
      fmt.Printf("TEST-3...%s\n", result)
      
      result = driver(60, 
  	11, 0)
      fmt.Printf("TEST-4...%s\n", result)
      
      result = driver(20, 
  	15, 0)
      fmt.Printf("TEST-5...%s\n", result)
      
      result = driver(76, 
  	4, 0)
      fmt.Printf("TEST-6...%s\n", result)
      
      result = driver(63, 
  	93, 1)
      fmt.Printf("TEST-7...%s\n", result)
      
      result = driver(2, 
  	25, 6)
      fmt.Printf("TEST-8...%s\n", result)
      
      result = driver(41, 
  	39, 0)
      fmt.Printf("TEST-9...%s\n", result)
      
          
  }
source_py: def count_fibonacci_numbers_given_range_log_time(low, high):
      (f1, f2, f3) = (0, 1, 1)
      result = 0
      while (f1 <= high):
          if (f1 >= low):
              result += 1
          f1 = f2
          f2 = f3
          f3 = (f1 + f2)
      return result
source_cpp: int count_fibonacci_numbers_given_range_log_time(int low, int high) {
    int f1 = 0, f2 = 1, f3 = 1;
    int result = 0;
    while ( f1 <= high ) {
      if ( f1 >= low ) result ++;
      f1 = f2;
      f2 = f3;
      f3 = f1 + f2;
    }
    return result;
  }