Dear all,↵
↵
The COJ is celebrating 7 years of coding! and we are glad to invite you to take part in the last day of the 11th edition of "The COJ Progressive Contest" ([http://coj.uci.cu/contest/contestview.xhtml?cid=1571](http://coj.uci.cu/contest/contestview.xhtml?cid=1571). The problems for all levels are from 2016 ICPC-BOLIVIA in Bolivia, and 2017 UTP-COLOMBIA Open programming contests of Universidad Tecnológica de Pereira (UTP) in Colombia, hosted by the Red de Programación Competitiva (RPC), which took place on 2016 and 2017.↵
↵
The contest duration is almost two weeks (from [2017-06-05 09:00:00](http://timeanddate.com/worldclock/fixedtime.html?day=5&month=6&year=2017&hour=9&min=0&sec=0&p1=99) to [2017-06-18 16:00:00](http://timeanddate.com/worldclock/fixedtime.html?day=18&month=6&year=2017&hour=16&min=0&sec=0&p1=99)). The tasks are in English. The allowed programming languages are C, C++, C++11, C#, Java, Ruby, Pascal and Python. The contest will be held on the rules for progressive competitions in the COJ. If you have any question, please feel free to ask on [coj@uci.cu](mailto:coj@uci.cu)↵
↵
To participate you need to have an account in the Caribbean Online Judge (**COJ** — [http://coj.uci.cu/user/createnewaccount.xhtml](http://coj.uci.cu/user/createnewaccount.xhtml)). You don't need to register in the contest: the registration in the contest is effective with the first submission.↵
↵
The challenge is as follows:↵
↵
- The problems are divided by difficulty levels, and in the beginning you only have access to the first level of problems.↵
↵
- In order to gain access to the next level of problems, you must solve a specific number of problems from the current level (defined by the Contest-Setter).↵
↵
- Not all levels require the same amount of problems and, of course, we design each level to be more challenging than the previous one.↵
↵
↵
About the ranking of the contest:↵
↵
- There will be not penalty time for rejected submissions.↵
↵
- There will be not (less or more) points by solve any problem after or before another user. Points are assigned when you solve a problem.↵
↵
- Each problem has a fixed number of points, so no matter the number of users who solved it will always worth the same.↵
↵
- The scored points are in this form: **TPOINTS** / (**TLEVELS** — **PLEVEL** + 1) where **TPOINTS** is the Total Points defined for all the problems in the contest, **TLEVELS** is the Total Levels defined for the contest and **PLEVEL** is the level of the given problem. Note that problems in the first level gives you **TPOINTS** / **TLEVELS** points, and problems on the last level gives you **TPOINTS** points (full points). The higher the level, the more points are scored.↵
↵
- If two users have the same points in the ranking, the user who has solved its problems before, must be in a higher rank.↵
↵
For this 11th edition of "The COJ Progressive Contest" we have **6** levels of problems, and you need to solve **4** problems from each one to pass to the next level. On the other hand, you can solve **25** problems in the entire contest to see (unblock by special rule) all the problems in all the levels. The value for **TPOINTS** is **60** points (in this edition).↵
↵
Problems by levels:↵
↵
- Level 1: 7 problems.↵
↵
- Level 2: 6 problems.↵
↵
- Level 3: 5 problems.↵
↵
- Level 4: 5 problems.↵
↵
- Level 5: 4 problems.↵
↵
- Level 6: 3 problems.↵
↵
↵
Can you get to the last level?↵
Can you solve all the problems?↵
This is the real challenge for you!↵
↵
We hope that you enjoy it very much. Thank you and have fun!↵
↵
Kind regards,↵
[COJ Development Team (CDEVT)](http://coj.uci.cu/general/about.xhtml#about.18) & [Universidad Tecnológica de Pereira (UTP)](http://www.utp.edu.co/) & [ICPC Bolivia](https://www.facebook.com/icpcbolivia/) & [Red de Programación Competitiva (RPC)](http://www.redprogramacioncompetitiva.com/)↵
↵
↵
The COJ is celebrating 7 years of coding! and we are glad to invite you to take part in the last day of the 11th edition of "The COJ Progressive Contest" ([http://coj.uci.cu/contest/contestview.xhtml?cid=1571](http://coj.uci.cu/contest/contestview.xhtml?cid=1571). The problems for all levels are from 2016 ICPC-BOLIVIA in Bolivia, and 2017 UTP-COLOMBIA Open programming contests of Universidad Tecnológica de Pereira (UTP) in Colombia, hosted by the Red de Programación Competitiva (RPC), which took place on 2016 and 2017.↵
↵
The contest duration is almost two weeks (from [2017-06-05 09:00:00](http://timeanddate.com/worldclock/fixedtime.html?day=5&month=6&year=2017&hour=9&min=0&sec=0&p1=99) to [2017-06-18 16:00:00](http://timeanddate.com/worldclock/fixedtime.html?day=18&month=6&year=2017&hour=16&min=0&sec=0&p1=99)). The tasks are in English. The allowed programming languages are C, C++, C++11, C#, Java, Ruby, Pascal and Python. The contest will be held on the rules for progressive competitions in the COJ. If you have any question, please feel free to ask on [coj@uci.cu](mailto:coj@uci.cu)↵
↵
To participate you need to have an account in the Caribbean Online Judge (**COJ** — [http://coj.uci.cu/user/createnewaccount.xhtml](http://coj.uci.cu/user/createnewaccount.xhtml)). You don't need to register in the contest: the registration in the contest is effective with the first submission.↵
↵
The challenge is as follows:↵
↵
- The problems are divided by difficulty levels, and in the beginning you only have access to the first level of problems.↵
↵
- In order to gain access to the next level of problems, you must solve a specific number of problems from the current level (defined by the Contest-Setter).↵
↵
- Not all levels require the same amount of problems and, of course, we design each level to be more challenging than the previous one.↵
↵
↵
About the ranking of the contest:↵
↵
- There will be not penalty time for rejected submissions.↵
↵
- There will be not (less or more) points by solve any problem after or before another user. Points are assigned when you solve a problem.↵
↵
- Each problem has a fixed number of points, so no matter the number of users who solved it will always worth the same.↵
↵
- The scored points are in this form: **TPOINTS** / (**TLEVELS** — **PLEVEL** + 1) where **TPOINTS** is the Total Points defined for all the problems in the contest, **TLEVELS** is the Total Levels defined for the contest and **PLEVEL** is the level of the given problem. Note that problems in the first level gives you **TPOINTS** / **TLEVELS** points, and problems on the last level gives you **TPOINTS** points (full points). The higher the level, the more points are scored.↵
↵
- If two users have the same points in the ranking, the user who has solved its problems before, must be in a higher rank.↵
↵
For this 11th edition of "The COJ Progressive Contest" we have **6** levels of problems, and you need to solve **4** problems from each one to pass to the next level. On the other hand, you can solve **25** problems in the entire contest to see (unblock by special rule) all the problems in all the levels. The value for **TPOINTS** is **60** points (in this edition).↵
↵
Problems by levels:↵
↵
- Level 1: 7 problems.↵
↵
- Level 2: 6 problems.↵
↵
- Level 3: 5 problems.↵
↵
- Level 4: 5 problems.↵
↵
- Level 5: 4 problems.↵
↵
- Level 6: 3 problems.↵
↵
↵
Can you get to the last level?↵
Can you solve all the problems?↵
This is the real challenge for you!↵
↵
We hope that you enjoy it very much. Thank you and have fun!↵
↵
Kind regards,↵
[COJ Development Team (CDEVT)](http://coj.uci.cu/general/about.xhtml#about.18) & [Universidad Tecnológica de Pereira (UTP)](http://www.utp.edu.co/) & [ICPC Bolivia](https://www.facebook.com/icpcbolivia/) & [Red de Programación Competitiva (RPC)](http://www.redprogramacioncompetitiva.com/)↵
↵
