c++ for_each() and object functions

Question

I have an assignment that is the following:

For a given integer array, find the sum of its elements and print out the final result, but to get the sum, you need to e

Answer 1

vector v(array[0], array[10]);

This doesn't do what you want. array[0] is the first value (1). array[10] is in invalid access past the end of your array. To pass pointers to the vector constructor, you want:

vector v(array, array+10);