C Programming – Replace all ‘0’ with ‘5’ in an input Integer – Mathematical Algorithms – The idea is simple, we get the last digit using mod operator ‘%’.
write a complete program that declares an integer variable
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C Programming Draw a circle without floating point arithmetic – Mathematical Algorithms – Following program uses a simple concept Let the radius be r.
C Programming – Given a number, find the next smallest palindrome – Mathematical Algorithms – For example, if the input number is “2 3 5 4 5”.
C Program Count 1’s in a sorted binary array – Searching and Sorting – A simple solution is to linearly traverse the array. The time complexity of the simple solution is O(n). We can use Binary Search to find count in O(Logn) time.