---
title: "Discussion on \"cpp concepts\" | Hashnode"
description: "Discussion on \"cpp concepts\". Variables:\nint, long, long long, float, double, long double (storage size and range), string,\npointers\npointers are variables which store the address of other variables.\nIf we want to use the variable again in our code, the system wont know the exact..."
url: "https://hashnode.com/posts/cpp-concepts/676a3f965a282e05919d02aa"
---

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# [cpp concepts](https://cppconcepts.hashnode.dev/cpp-concepts?utm_source=hashnode&utm_medium=feed)

Variables: int, long, long long, float, double, long double (storage size and range), string, pointers pointers are variables which store the address of other variables. If we want to use the variable again in our code, the system wont know the exact...

Dec 24, 2024 · 2 min read · cppconcepts.hashnode.dev  
Updated Jul 31, 2025  
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## Written by

[Uzma](https://hashnode.com/@uzma2023)

@uzma2023

  
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taking action.

Writing blogs on what i learnt so that i could refer them later :)

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