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C++ for Competitive Programming

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What is C++ for Competitive Programming?

C++ is the dominant language in competitive programming for good reason: it's fast, its standard library is rich, and it gives you fine-grained control when you need it. RunTimeFix teaches the C++ that matters for contest programming: fast I/O setup, the STL container hierarchy (vector, set, map, deque, priority_queue), iterator patterns, modern features like lambdas and structured bindings, and the preprocessor tricks that save time during contests. This isn't a general C++ course — it's the targeted subset that turns a language into a competitive advantage.

  • C++
  • competitive programming C++
  • STL
  • standard template library
  • modern C++
  • C++17

Study Material for C++ for Competitive Programming

Ch 1: C++ Foundations & Input/Output

Program Structure & Compilation · Variables & Data Types · Arithmetic Operations & Modulo · Integer Overflow & The 1LL Trick · Input/Output Streams & Fast I/O · Conditionals & Logical Operators

Ch 8: Vectors, Pairs & Utility Algorithms

std::vector — The Dynamic Array · std::pair — Grouping Two Values · std::tuple — Grouping Three or More Values (D1) · String STL Methods (Advanced) · Iterators — The Bridge Between Containers and Algorithms · Utility Algorithms

Ch 9: Sets, Maps & Multi-Containers

std::set — Ordered Unique Elements · std::multiset — Ordered Elements with Duplicates · std::map — Key-Value Associations · std::unordered_map & std::unordered_set — Hash-Based Containers · std::stack — LIFO Container Adapter · std::queue — FIFO Container Adapter · std::deque — Double-Ended Queue · std::priority_queue — Heap-Based Container

Ch 6: Structs, Lambdas & Structured Bindings

Structures (Structs) in C++ · Lambdas & Inline Comparators · auto & Structured Bindings (C++17)

Ch 7: Preprocessor, Debug Macros & Compilation

The C++ Preprocessor & Macros · Compilation Pipeline & G++ Compiler Flags

Related Topics

Competitive ProgrammingData StructuresAlgorithms
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