Tag :: Intermediate

2

• 2D array in C: solved matrix exercise

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A

• Arrays of pointers in C: solved exercise

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B

• Binary files and struct in C: solved exercise

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• Binary insertion sort in C: solved sorting exercise

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• Binary search in C: solved exercise on sorted arrays

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• Binary tree postorder traversal in C: solved exercise

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• Binary tree preorder traversal in C: solved exercise

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• Bitwise operators in C: solved exercise

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• bsearch in C: solved exercise on sorted array

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C

• C vs Rust vs C++ vs C#: practical comparison to choose in 2026

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• calloc in C: solved exercise with zero-initialized dynamic array

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• Circular linked list in C: solved insert and traversal exercise

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• const pointer in C: solved exercise

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• Copy a file in C: solved exercise

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• Count vowels in C: solved exercise

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• Count words in C: solved exercise

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• Counting sort in C: solved exercise

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D

• Define and macros in C: solved exercise

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• Deque in C: solved exercise

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• Doubly linked list in C: solved exercise with insert and traversal

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• Dynamic buffer in C: solved exercise

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E

• Enum and typedef in C: solved exercise with states

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• Euclidean algorithm (GCD) in C: solved exercise

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F

• Fast exponentiation in C: solved exercise

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• Files in C: solved exercise to count lines and characters

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• fprintf and fscanf in C: solved exercise with text file

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• fread and fwrite in C: solved binary file exercise

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• fseek and ftell in C: solved exercise

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• Function pointers in C: solved exercise with callbacks

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I

• Insertion sort in C: solved exercise

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L

• List of structs in C: solved exercise

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M

• Main diagonal sum in C: solved exercise

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• Malloc and free in C: solved dynamic memory exercise

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• malloc and realloc in C: solved dynamic array exercise

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• Matrices in C: solved main and secondary diagonal exercise

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• Matrix multiplication in C: solved exercise

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• Matrix transpose in C: solved exercise

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• memcpy and memmove in C: solved overlap exercise

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• Memory leak in C: solved exercise and fix

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• memset in C: solved exercise to initialize arrays and buffers

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• Merge of sorted arrays in C: solved exercise

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P

• Palindrome in C: solved exercise with two indices

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• Pointer arithmetic in C: solved exercise

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• Pointer to pointer in C: solved exercise with reference update

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• Pointer to struct in C: solved exercise

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• Pointers in C: solved pass-by-reference exercises

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Q

• qsort in C: solved exercise with custom comparator

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• qsort with structs in C: solved exercise

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• Queue in C: solved exercise with circular array

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R

• Read CSV in C: solved exercise

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• Recursion in C: solved exercise to reverse a string

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• Remove duplicates from a sorted array in C: solved exercise

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• Remove spaces in C: solved exercise

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• Reverse string in C: solved exercise

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• Rotate array in C: solved exercise

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S

• safe realloc in C: solved exercise

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• Selection sort in C: solved exercise step by step

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• Singly linked list in C: solved exercise with insert and delete

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• Stack in C: solved exercise with push, pop, and peek

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• Static variables in C: solved exercise

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• strcmp and strncmp in C: solved string-comparison exercise

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• strcpy and strncpy in C: solved safe-copy exercise

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• strlen, strchr and strstr in C: solved text-search exercise

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• strtok in C: solved exercise for splitting CSV strings

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• strtol in C: solved exercise for converting text to integer

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• Struct in C: solved exercise with arrays of structs

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• Struct with pointers in C: solved exercise

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T

• Temporary file in C: solved exercise with tmpfile

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• Two pointers in C: solved exercise

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U

• union in C: solved exercise to save memory

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