Recent questions tagged C

2 answers 19 views

How to calculate the largest positive integer in a 64-bit system in C

asked 1 day ago by avibootz

1 answer 24 views

How to use the snprintf function to print formatted output to a buffer in C

asked 2 days ago by avibootz

1 answer 20 views

How to use the sscanf function to read formatted input from a buffer in C

asked 2 days ago by avibootz

1 answer 18 views

How to use the bsearch function to search an array for an element of an unspecified type in C

asked 2 days ago by avibootz

1 answer 26 views

How to use the isalpha function to check if a character is alphabetic in C

asked 2 days ago by avibootz

1 answer 24 views

How to use the isalnum function to check if a character is alphanumeric in C

asked 2 days ago by avibootz

1 answer 24 views

How to sort a key-value struct first by value, then by key in C

asked 3 days ago by avibootz

1 answer 29 views

How to find the maximum distance between two numbers in an array with C

asked 4 days ago by avibootz

1 answer 36 views

How to compute the total number of combinations for choosing 1 out of 3 in a row with 16 rows in C++

asked 6 days ago by avibootz

1 answer 39 views

How to compute the total number of combinations when choosing 7 numbers out of 33 in C

asked Oct 19 by avibootz

3 answers 78 views

How to format a string using fixed-width fields in C

asked Oct 17 by avibootz

1 answer 45 views

How to print the bits of a character in C

asked Oct 16 by avibootz

1 answer 47 views

How to get more precision in floating-point numbers in C

asked Oct 15 by avibootz

1 answer 54 views

How to get the Nth digit after the decimal point of a floating-point number in C

asked Oct 15 by avibootz

1 answer 83 views

How to get the Nth digit of a number from the right in C

asked Oct 13 by avibootz

2 answers 127 views

How to remove file extension in C

asked Oct 12 by avibootz

3 answers 97 views

How to print a variable inside quotation marks in C

asked Oct 10 by avibootz

1 answer 71 views

How to extract whole numbers not adjacent to letters <8408<f16f15>9387541<47g28<829o... in C

asked Oct 10 by avibootz

2 answers 94 views

How to compare floating-point values safely in C

asked Oct 7 by avibootz

1 answer 74 views

How to initialize array elements in C

asked Oct 6 by avibootz

1 answer 71 views

How to generate a range of floating-point numbers in C

asked Oct 4 by avibootz

1 answer 79 views

How to hash a string and detect collision in C

asked Oct 3 by avibootz

1 answer 67 views

How to hash a string in C

asked Oct 3 by avibootz

1 answer 62 views

How to retrieve k random numbers from a vector of unknown size at compile time in C

asked Oct 2 by avibootz

1 answer 76 views

How to use XOR to swap two characters in a string in C

asked Sep 29 by avibootz

1 answer 58 views

How does XOR work for swapping values in C

asked Sep 29 by avibootz

1 answer 84 views

How to find the intersection of two arrays (values that exist in both arrays) in C

asked Sep 27 by avibootz

1 answer 93 views

How to check whether the letters of a word exist in a string (order doesn't matter) in C

asked Sep 26 by avibootz

1 answer 79 views

How to find the element with minimum occurrences in an array with C

asked Sep 25 by avibootz

1 answer 93 views

How to convert multiple date formats to YYYY-MM-DD in C

asked Sep 24 by avibootz

1 answer 67 views

How to sort a list of string‑based dates in C

asked Sep 23 by avibootz

1 answer 70 views

How to print a number with a thousand separator as spaces in C

asked Sep 21 by avibootz

1 answer 67 views

How to use Big O notation includes O(1), O(n), O(log n), O(n log n), and O(n²) examples in C

asked Sep 21 by avibootz

1 answer 83 views

How to compare two dates in C

asked Sep 20 by avibootz

1 answer 79 views

How to get the country name from the 2-letter country code (alpha-2) in C

asked Sep 19 by avibootz

1 answer 94 views

How to extract all floating-point numbers from a string of words in C

asked Sep 17 by avibootz

1 answer 98 views

How to extract all digits from a string in C

asked Sep 16 by avibootz

2 answers 105 views

How to format currency into millions of dollars in C

asked Sep 16 by avibootz

1 answer 91 views

How to select N unique random values that appear exactly once in an existing array with C

asked Sep 13 by avibootz

1 answer 92 views

How to select N unique random indices from an existing array in C

asked Sep 12 by avibootz

1 answer 94 views

How to find common words in two strings with C

asked Sep 11 by avibootz

1 answer 89 views

How to compute the factorial of a number greater than 20 in C

asked Sep 11 by avibootz

1 answer 81 views

How to check if a double variable contains an integer and not a floating point or a floating-point tolerance in C

asked Sep 10 by avibootz

2 answers 121 views

How to generate all trigrams (3-character sequences) from a given word in C

asked Sep 9 by avibootz

1 answer 105 views

How to compare two float arrays for exact equality in C

asked Sep 9 by avibootz

1 answer 103 views

How to compare two float arrays using a tolerance in C

asked Sep 8 by avibootz

2 answers 155 views

How to split text without spaces into a list of words using dictionary-based segmentation in C

asked Sep 6 by avibootz

1 answer 104 views

How to convert numbers from 0 to 999,999,999,999,999 (up to 999 trillion) into English words in C

asked Sep 5 by avibootz

1 answer 113 views

How to generate all subsets of a given set using an iterative algorithm in C

asked Sep 5 by avibootz

1 answer 95 views

How to parse a table into a binary tree in C

asked Sep 4 by avibootz

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