title: Sum Fibonacci Numbers
signature: pub fn sum_fibonacci_numbers(n: i32) -> i64 {
test_code: use std::collections::HashMap;
  use std::collections::HashSet;
  use std::cmp::*;
  use std::collections::*;
  use std::fmt::*; 
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  pub fn validate_solution(actual: i64, expected: i64)->bool{
  return actual==expected
  }
  pub fn driver(n: i32, expected: i64)->String{
      if validate_solution(PLACEHOLDER_FN_NAME(n), expected) {
        return "PASSED".to_string();
      };
      return "FAILED".to_string();
  
  }
  
  fn main() {
      println!("TEST-0...{}", driver(
        9, 
        88
      ));
      
      println!("TEST-1...{}", driver(
        50, 
        32951280098
      ));
      
      println!("TEST-2...{}", driver(
        7, 
        33
      ));
      
      println!("TEST-3...{}", driver(
        21, 
        28656
      ));
      
      println!("TEST-4...{}", driver(
        21, 
        28656
      ));
      
      println!("TEST-5...{}", driver(
        11, 
        232
      ));
      
      println!("TEST-6...{}", driver(
        25, 
        196417
      ));
      
      println!("TEST-7...{}", driver(
        62, 
        10610209857722
      ));
      
      println!("TEST-8...{}", driver(
        4, 
        7
      ));
      
  }
source_py: def sum_fibonacci_numbers(n):
      if (n <= 0):
          return 0
      fibo = ([0] * (n + 1))
      fibo[1] = 1
      sm = (fibo[0] + fibo[1])
      for i in range(2, (n + 1)):
          fibo[i] = (fibo[(i - 1)] + fibo[(i - 2)])
          sm = (sm + fibo[i])
      return sm
source_cpp: int sum_fibonacci_numbers(int n) {
    if ( n <= 0 ) return 0;
    int fibo [ n + 1 ];
    fibo [ 0 ] = 0, fibo [ 1 ] = 1;
    int sum = fibo [ 0 ] + fibo [ 1 ];
    for ( int i = 2;
    i <= n;
    i ++ ) {
      fibo [ i ] = fibo [ i - 1 ] + fibo [ i - 2 ];
      sum += fibo [ i ];
    }
    return sum;
  }