The exam goes by levels, starting from level 0. By doing each problem correctly, one level up, and so the difficulty of the problems. If one fails a problem, you can retry another problem in the same level, but without getting the full marks.
The following solutions are pending:
- is_looping
- longest_sequence
- ord_alphlong
- str_maxlenoc
- can_split
- convert_bst
- gold_gain
- width_tree
- clone_list
- intersection
- longest_subarray
- range_comb
- volume_histogram
- count_island
- g_diam
- infin_add
- infin_mult