Fix: Off-by-One

copy_all(int *dst, const int *src, int n) writes one element PAST the end. Fix the loop bound (the tests place a sentinel after the array and check it survives). ``c void copy_all(int *dst, const int *src, int n) { for (int i = 0; i <= n; i++) dst[i] = src[i]; } ``

Difficulty: beginner