CPP-Library

240+ posts

Last Updated: 16 January 2025

In C++, vector erase() is a built-in function used to remove one or more elements from a vector present at a specific position or within a s ...read more

STL

CPP-Library

CPP-Functions

cpp-vector

cpp-advanced

C++

snprintf() in C

Last Updated: 07 March 2025

In C, snprintf() function is a standard library function that is used to print the specified string till a specified length in the specifie ...read more

Vector push_back() in C++ STL

Last Updated: 27 December 2024

In C++, the vector push_back() is a built-in method used to add a new element at the end of the vector. It automatically resizes the vector ...read more

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Substring in C++

Last Updated: 11 January 2025

The substring function is used for handling string operations like strcat(), append(), etc. It generates a new string with its value initial ...read more

Last Updated: 11 January 2025

Memset() is a C++ function that copies a single character for a specified number of times to the given bytes of memory. It is useful for fil ...read more

cpp-memory-management

rand() and srand() in C++

Last Updated: 11 January 2025

The std::rand() in C++ is a built-in function that is used to generate a series of random numbers. It will generate random numbers in the r ...read more

strtok() and strtok_r() functions in C with examples

Last Updated: 07 June 2023

C provides two functions strtok() and strtok_r() for splitting a string by some delimiter. Splitting a string is a very common task. For exa ...read more

<bits/stdc++.h> in C++

Last Updated: 11 January 2025

It is basically a header file that includes every standard library. In programming contests, using this file is a good idea, when you want t ...read more

Last Updated: 24 October 2024

Aniterator in C++is a pointer-like object that points to an element of the STL container. They are generally used to loop through the conten ...read more

Converting Number to String in C++

Last Updated: 11 January 2025

In C++, converting integers to strings or converting numbers to strings or vice-versa is actually a big paradigm shift in itself. In general ...read more

Sort Vector of Pairs in Ascending Order in C++

Last Updated: 17 December 2024

Sorting a vector of pairs in ascending order means arranging the elements in such a way that first pair is lesser than second pair, second p ...read more

Convert String to int in C++

Last Updated: 11 October 2024

Converting a string to int is one of the most frequently encountered tasks in C++. As both string and int are not in the same object hierarc...read more

Last Updated: 10 January 2025

In C++, sort() is a built-in function used to sort the given range in desired order. It provides a simple and efficient way to sort the data ...read more

cpp-algorithm-library

Unordered Map in C++ STL

Last Updated: 03 March 2025

In C++, unordered_map is an unordered associative container that stores data in the form of unique key-value pairs. But unlike map, unordere ...read more

STL

CPP-Library

C++

cpp-containers-library

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cpp-unordered_map-functions

How to split a string in C/C++, Python and Java?

Last Updated: 11 January 2025

Splitting a string by some delimiter is a very common task. For example, we have a comma-separated list of items from a file and we want ind ...read more

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