Problem Link :  https://lightoj.com/problem/country-roads S olution in C++: /// La ilaha illellahu muhammadur rasulullah ///******Bismilla...

                                                      Explain:   This problem says Given an m x n chessboard and finds the number of maximum...

 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/digits-of-factorial   Solution in C++:   ///La ilaha illellahu muhammadur rasulullah ///******Bi...

Problem Link:    https://lightoj.com/problem/area-of-a-parallelogram   Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///*****...

Problem Link:  https://lightoj.com/problem/how-cow   Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///******Bismillahir-Rahma...

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

  Problem Link :  https://lightoj.com/problem/palindromic-numbers-ii Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///******B...

Problem Link :   https://lightoj.com/problem/farthest-nodes-in-a-tree Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///******...

Problem Link :  https://lightoj.com/problem/parity    Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///******Bismillahir-Rahm...

 Problem Link:   https://lightoj.com/problem/setu Solution in C++: ///La ilaha illellahu muhammadur rasulullah ///******Bismillahir-Rahmanir...