title: Sum Fibonacci Numbers
signature: sumFibonacciNumbers(n) {
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;
  }