Problem Link:   https://lightoj.com/problem/harmonic-number Solution in C++:   ///La ilaha illellahu muhammadur rasulullah ///******Bismill...

  Problem Link:   https://lightoj.com/problem/help-hanzo Hints:   Here i just implement  basic Segmented Sieve    Solution in C++:   ///La i...

 Problem Link:   https://lightoj.com/problem/integer-divisibility Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///******Bism...

Problem Link: https://lightoj.com/problem/sum-of-factorials     Solve in C++: ///La ilaha illellahu muhammadur rasulullah ///******Bismillah...

 Problem Link: https://lightoj.com/problem/old-sorting Solve in C++: ///La ilaha illellahu muhammadur rasulullah ///******Bismillahir-Rahman...