Tag: beginner
All the articles with the tag "beginner".
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C++ Program to Count Vowels in a String (3 Ways)
Write a C++ program to count vowels in a string. Learn the loop approach, a switch version, and the STL one-liner with count_if, plus handling uppercase.
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push_back vs emplace_back in C++: What's the Real Difference?
Understand push_back vs emplace_back in C++ with working examples. See exactly when emplace_back avoids a copy, when it does not, and which one to use.
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INT_MAX and numeric_limits in C++: Finding a Type's Range
Find the max and min value of any C++ type with numeric_limits and INT_MAX. Learn how integer overflow happens and how to detect it before it breaks things.
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Quick Sort in C++: How It Works, With Full Code and Complexity
Learn quick sort in C++ with a complete working program. Understand the pivot, the partition step, recursion, and why quicksort usually beats merge sort.