Tag: vectors
All the articles with the tag "vectors".
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How to Fix 'vector subscript out of range' in C++
Fix vector subscript out of range and std::out_of_range errors in C++. The five usual causes, with code, and how to find the bad index fast.
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How to Use a Vector of Pairs in C++
Create, fill, sort and iterate a std::vector of std::pair in C++. Sort by first or second element, use structured bindings, and know when to use a map instead.
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How to Print a Vector in C++: 4 Clean Methods
Updated:Learn how to print a vector in C++ four ways: the range-based for loop, an index loop, iterators, and a reusable template function that prints any vector.
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C++ vector reserve vs resize: What's the Difference?
Updated:C++ vector reserve vs resize: reserve allocates capacity without adding elements, resize changes the size. Learn when to use each, with clear examples.