PRACTICE EPP MIDTERM Write all code in the same source files: yourname_practicem

Question

PRACTICE EPP MIDTERM Write all code in the same source files: yourname_practicemidterm.cpp / .h PART I Eunction that finds the s double sum(double* array, size_t n); 2. write a string function that determines if a string is a valid variable name in C++/C. Recall that valid names are only alphanumeric (A-20-9)except the first character cannot be a digit: bool isValidName (const char* s) 3. Write a single-linked list from scratch, having the following structs/classes: struct data /7 your code here struct node t g class linkedlist I/ your code here /1 your code here

Explanation / Answer

I habe answered Q1.

Please repost others in separate post.

double sum(double* array, size_t n) {
   // base case
   if(n == 1){
       return array[0];
   }

   return array[n-1] + sum(array, n-1); // recursive call
}

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