Three years.

It is reported that CSP, founded on 20 19, is an activity organized by China Computer Federation (CCF) to evaluate the algorithm and programming ability of computer non-professionals. CSP-J/S is assessed in two stages, the assessment language is C++, the national unified outline and the unified certification topics. Those with excellent results in CSP-J/S can participate in the provincial election of NOI, and those with excellent results in provincial election can participate in NOI.

NOI is one of the five major academic competitions for middle school students in China announced by the Ministry of Education. The top 50 outstanding players are selected from the official players every year. As members of the national training team, the team members will be qualified to walk in Tsinghua Peking University.

In CSP-J/S 2020 competition, dozens of walnut programming students won awards. Among them, Li, the first student of walnut programming, studied walnut programming for 3 years from graphic programming to C++, and won the first prize of CSP-J (entry level) and CSP-S (improved level) in this appraisal, and won the first prize of provincial CSP-J (entry level) with a score of 400 points. Previously, she won the first prize in the 11th Blue Bridge Cup National Finals and the national youth software programming creativity.

Peiqi Gao, who is only nine years old, studied walnut programming for more than two years and won the first prize of CSP-S, the youngest winner of the first prize of upgrading, breaking the national record. Previously, he won the gold medal in the International Youth Programming Contest and the first place in the national finals of the China Software Cup Youth Programming Contest.

In addition, walnut programming students continue to lead in various professional competitions and exams across the country. The data shows that in 2020, the number of winners in the walnut programming national competition exceeded 30,000, with a year-on-year increase of 1.43%.

Among them, Walnut Programming won the first prize in the 10th and 11th National Games of Blue Bridge Cup Youth Group. In the fall of 2020, the national youth software programming level examination, the pass rate of walnut programming registration reference students exceeded 80%, ranking first in the children's programming industry; At the 2020 "China Star" Youth Mathematics Conference, 90% of the registered students of walnut programming won gold, silver and bronze prizes, and the walnut programming team 10 1 as the only programming team won the third place in the national team.