Write a recursive function int rSum(const vector &v) that returns the sum of elements in a vector. A helper function might be useful here.

int rSumHelper(const vector &v, int i){

return 0;

}

int rSum(const vector &v){

return 0;

}

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Write a recursive function int rMax(const vector &v) that returns the maximum value in a vector. If the vector is empty, the function should return INT_MIN. Again, consider using a helper function.

int rMaxHelper(const vector &v, int start){

return 0;

}

int rMax(const vector &v){

return 0;

}