algorithmic problem solving is very close to IOI/ACM ICPC type problems, which test on combination of knowledge of data structures+algorithms and creative abili

algorithmic problem solving is very close to IOI/ACM ICPC type problems, which test on combination of knowledge of data structures+algorithms and creative ability to combine both to create own algorithms while being under interview anxiety+time limti stress. Quite essential in everything internet-scale and filters top percentile candidates pretty well. THis process is not required for your average company where IT is a cost center and CRUD-type apps generator.