Interesting problem with more thinking and less implementation. You can find hints and more discussion here: POI 10 Sums. Problem is from Polish Olympiad in Informatics.

Link to problem (updated): https://szkopul.edu.pl/problemset/problem/4CirgBfxbj9tIAS2C7DWCCd7/site/?key=statement.

which language is better and easy to learn ?

GUYS I AM PRAVEEN FROM CLASS 10TH

I AM NEW TO COMPETITIVE PROGRAMMING LIKE TOTALLY NEW.

PLEASE HELP ME OUT WITH SOME DIRECTION FROM WHERE SHOULD I START.

HOW MUCH TIME I SHOULD GIVE TO IT EACH DAY,AND SOME USEFUL RESOURCES.

AND NY WHATSAPP GROUP IF AVAILABLE .

PLEASE HELP ME. I KNOW YOU HAD BEEN ASKED THIS QUESTION SEVERAL TIMES BUT PLEASE ANSWER THIS ONCE AGAIN.

Hello! I have been coding in c++ for a year. I am studying A-level and I want to prepare for IOI. But I realised that i have to take part in NOI(national olympiad of informatics). So, how to prepare for regional and national level?

Can I write Zco first or should I follow the order

This discussion is for expanding your array of maneuvers needed to code quickly and efficiently.

STL:

The first and most important thing that I'd like to discuss about is the C++ STL. Learning it would enable you to code up an assortment of algorithms and complicated data structures in a matter of seconds.

You can learn to use the C++ STL from the following amazing sites:

Studytonight : Contains syntax and examples for most of the STL containers and algorithms.

Sanfoundry : Shows how to implement what you've learnt in complete programs

Topcoder(Highly recommended) : This place teaches yo...