Tag: vector
All the articles with the tag "vector".
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How to Get the Size of a Vector in C++
Use v.size() to get the number of elements in a C++ vector. Covers size vs capacity, the unsigned size_t trap, empty(), and 2D vectors.
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C++ Remove Element from Vector (and Remove Duplicates)
Updated:Learn how to remove elements from a vector in C++ by index or by value with the erase-remove idiom, plus how to remove duplicates. Clear beginner examples.
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How to Remove Duplicates From a Vector in C++ (3 Working Methods)
Learn three ways to remove duplicate elements from a vector in C++: sort with unique and erase, a set, and an unordered_set that preserves original order.
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C++ Vector Tutorial: Complete Guide to std::vector
Updated:Master std::vector in C++ with this complete guide. Covers declaration, push_back, iteration, resizing, memory layout, and common patterns.