Hello aspirant,

The most common topics that aspirants must perpare for ZIO exam are:-

The Basic Topics include:-

Intoduction; Efficiency; Sorting; Searching; Basic graph algorithm; Dynamic programming; Heaps; Permutations; Computer shortest paths; Computing prefix sums; Greedy algorithms; Directed arcylic graphs; Sliding window alorithm

The Advanced Topics includes:-

Geometry; Network flow; Range queries; Advanced graph algorithms; Dynamic programming on trees; Range queries.

The most common topics that aspirants must perpare for ZCO are:-

Mathematics:- Basic Number theory, Sets, Relations and functions, Introduction to Combinatorics, Logarithms, Complexity Analysis

Language constructs C++:- Introduction to C++, Data types, Control flow, I / O, Functions, Recursion, Notion of Structs, STL-Containers, Algorithms, Set, Map, Structs - Using them as comparators

Algorithms and data structures:- Searching, Sorting,Dynamic Programming, Graphs and Graph Algorithms, Sieves.

Hope this helps,

All the Best!!