Case Conversion using Bitwise
Upper Case to Lower Case: Lower Case to Upper Case:
Category: C Codes
Day Today Codes
Codes that could come handy everyday. The list will continue to grow. Here is the compilation: Day-Today Codes
DMA for 2D char array
DFS – C Code
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BFS – C code
Github Link.
Reverse an Integer – C Code
Github Link.Â
Count Set Bits
C Program to count the set bits:
Generate Permutations – Decrease and Conquer
Uses the definition of n! to generate the permutations. Idea: Remove each item from the given n items one at a time and append it to remaining (n-1)! permutations. Efficiency: O(n!) and as well we have expensive swaps Strategy used: Decrease and Conquer(decrease by 1)
Files in C – Sample Program
The code can also be downloaded from Github HERE. Question: Mobile Service Provider – Service Directory ====================================================== A mobile service provider maintains a minimum data service file with following details: Registration number Name Age City Of a customer for some quick information retrieval The file is named as “service.txt”. The console for this is provided… Continue reading Files in C – Sample Program
Fixed Length File Records
Properties: Every record in the file has exactly same size (in byte) Computer knows exact location of records so easy access Slow in transferring the records it has large size Sample Program:
PH Bytes 