Deleting the vowels from a string is a classic C exercise because the obvious approach — remove a character, then shift everything after it left by one — is O(n²) and fiddly. The clean solution is the two-index in-place filter: one index reads every character, a second index writes only the characters you’re keeping, and …
Write a C Program to delete a file.To delete a file in c, We use the remove macro, which is defined in stdio.h. remove macro takes filename with extension as its argument and deletes the file, if it is in the directory and returns the zero, if deleted successfully.Note that deleted file does not goes …
Write a C Program to demonstrate strspn function.The strspn() function returns the index of the first character in string1 that doesn’t match any character in string2. If all the characters of the string2 matched with the string1, strspn returns the length of the string1. Read more about C Programming Language . /************************************************************ You can use …
Write a C program to demonstrate ceil function.ceil is in the C math.h library.ceil function rounds up the smallest next integral value.Example:ceil(2.0) is 2.0ceil(2.1) is 3.0ceil(2.2) is 3.0——ceil(2.9) is 3.0Read more about C Programming Language. /************************************************************ You can use all the programs on www.c-program-example.com* for personal and learning purposes. For permissions to use the* programs …
The classic way this exercise was taught — Turbo C’s <graphics.h> with initgraph() and circle(x, y, r) — hasn’t compiled on a mainstream system in decades: graphics.h was a Borland DOS library, not part of C. But the underlying question is still excellent: how does a computer decide which pixels form a circle? The answer …
Chapter 2: Types, Operators, and Expressions covers C’s type system and operators in depth. The exercises focus on bitwise manipulation — rotating bits, setting and clearing fields, counting set bits — and type-conversion edge cases. Exercise 2-9 (x &= (x-1) deletes the rightmost 1-bit) is a classic bit-manipulation trick worth memorising. These are worked solutions …