Elmi Ahmadov questions

• How to find increasing subsequence of numbers with maximum sum?
• False Mirrors. can you help me to solve?
• How can I read a string with scanf() in C++?
• why ++++i regular but i++++ not regular in C++?
• how can I store 3 integer in priority_queue?
• How Can I return second element of stack without pop() function in C++?
• On Windows is there an interface for Copying Folders?
• How do I display PHP information using phpinfo()?

Elmi Ahmadov answers