Contests

## Important Notes This contest is **not** in English. This contest is a 45-minute individual competition. Please submit your answer to each problem within the time limit. ### Difficulty Level This contest is approximately the same difficulty level as the first half of the Gnit Beginner Open (GBO). While primarily aimed at junior and senior high school students and those with humanities backgrounds, anyone can participate. ### Answer Guidelines * Please submit your answer according to the format specified in the problem statement. * Gnit uses natural number matching for exact match. Therefore, alternative solutions due to different rounding methods will not be accepted. * While physics sometimes rounds values ​​to match significant figures, in this contest, please do not round intermediate or final results unless specifically instructed. * You can submit a maximum of 10 times per problem. Submissions beyond the 11th will not be accepted. * To prevent users from substituting arbitrary values ​​to get the correct answer, the numbers may be intentionally made complex. The use of a calculator is strongly recommended. ### Permitted Items * Calculator * Scratch paper ### Prohibited Actions The following actions are prohibited: * Use of AI generation tools * Referencing solutions from textbooks, reference books, or web searches * Consulting with others * Sharing solutions, hints, or answers with others * Participating with multiple accounts, impersonation, or other fraudulent methods If fraudulent activity is discovered, scores may be invalidated in accordance with the terms of service. ### About this Contest This contest is a Practice contest of the Gnit Weekly Challenge, held every Wednesday. It consists of 14 questions. This contest is primarily aimed at junior and senior high school students and those with humanities backgrounds, and focuses on questions with a Difficulty level of 3 or 4. We hope you will use it for review or as a warm-up. ### About Rated / Unrated This contest is an Unrated contest. ### Question Creator * admin02

## Contest Rules This contest is a 90-minute individual contest. ### Submissions * Submit your answers in the format shown in each problem statement. * Gnit checks answers by exact match with a natural number. Because of this, different answers caused by rounding are not accepted. * In physics, you may often round values based on significant figures. In this contest, do not round intermediate values or final results unless the problem statement tells you to do so. * You can submit an answer up to 10 times for each problem. The 11th and later submissions will not be accepted. * Some numbers may be complex to prevent guessing. Please use a calculator. ### You may use * A calculator * Scratch paper ### You may not use * AI tools * Textbooks or reference books * Web search * Help from other people * Sharing solutions, hints, or answers with others * Multiple accounts, impersonation, or any other unfair method If cheating is found, your score may become invalid under the Terms of Service. ### Rated / Unrated This contest will be Rated only if there are 20 or more Rated participants. If there are 19 or fewer Rated participants, the contest will be Unrated.

## Important Notes This contest is **not** in English. This contest is a 30-minute individual competition. Please submit your answer to each problem within the time limit. ### Difficulty Level This contest is approximately the same difficulty level as the Gnit Beginner Open (GBO). While primarily aimed at junior and senior high school students, anyone can participate. The last two problems are quite difficult. ### Answer Guidelines * Please submit your answer according to the format specified in the problem statement. * Gnit uses natural number matching for exact match. Therefore, alternative solutions due to different rounding methods will not be accepted. * While values ​​are sometimes rounded to match significant figures in physics, in this contest, please do not round intermediate or final results unless specifically instructed. * You can submit a maximum of 10 times per problem. Submissions beyond the 11th will not be accepted. * In some cases, the numbers are intentionally made complex to prevent participants from substituting arbitrary values ​​to get the correct answer. The use of a calculator is strongly recommended. ### What you can use * Calculator * Scratch paper ### Prohibited actions The following actions are prohibited: * Use of AI generation tools * Referencing solutions from textbooks, reference books, or web searches * Consulting with others * Sharing solutions, hints, or answers with others * Participating with multiple accounts, impersonation, or other fraudulent methods If fraudulent activity is discovered, your score may be invalidated in accordance with the terms of service. ### About this contest This contest is the Beginner contest of the Gnit Weekly Challenge, held every Wednesday. It consists of 6 questions, and the maximum Difficulty for the Gnit Weekly Challenge Beginner is **5**. We hope you will use it for review or as a warm-up. ### About Rated / Unrated This contest is an Unrated contest. ### Question creator * admin02

## Contest Rules This contest is a 90-minute individual contest. ### Submissions * Submit your answers in the format shown in each problem statement. * Gnit checks answers by exact match with a natural number. Because of this, different answers caused by rounding are not accepted. * In physics, you may often round values based on significant figures. In this contest, do not round intermediate values or final results unless the problem statement tells you to do so. * You can submit an answer up to 10 times for each problem. The 11th and later submissions will not be accepted. * Some numbers may be complex to prevent guessing. Please use a calculator. ### You may use * A calculator * Scratch paper ### You may not use * AI tools * Textbooks or reference books * Web search * Help from other people * Sharing solutions, hints, or answers with others * Multiple accounts, impersonation, or any other unfair method If cheating is found, your score may become invalid under the Terms of Service. ### Rated / Unrated This contest will be Rated only if there are 20 or more Rated participants. If there are 19 or fewer Rated participants, the contest will be Unrated.

## Important Notes This contest is **not** in English. This contest is a 30-minute individual competition. Please submit your answer to each problem within the time limit. ### Difficulty Level This contest is approximately the same difficulty level as the Gnit Beginner Open (GBO). While primarily aimed at middle and high school students, anyone can participate. ### Answer Guidelines * Please submit your answer according to the format specified in the problem statement. * Gnit uses natural number matching for exact match. Therefore, alternative solutions due to different rounding methods will not be accepted. * While physics sometimes rounds values ​​to match significant figures, in this contest, please do not round intermediate or final results unless specifically instructed. * You can submit a maximum of 10 times per problem. Submissions beyond the 11th will not be accepted. * To prevent participants from guessing the correct answer, the numerical values ​​may be intentionally made complex. The use of a calculator is strongly recommended. ### Available Items * Calculator * Scratch paper ### Prohibited Actions The following actions are prohibited: * Use of AI generation tools * Referencing solutions from textbooks, reference books, or web searches * Consulting with others * Sharing solutions, hints, or answers with others * Participating with multiple accounts, impersonation, or other fraudulent methods If fraudulent activity is discovered, scores may be invalidated in accordance with the terms of service. ### About this Contest This contest is the Beginner contest of the Gnit Weekly Challenge, held every Wednesday. It consists of 7 questions, and the maximum Difficulty for the Gnit Weekly Challenge Beginner is **5**. We hope you will use it for review or as a warm-up. ### About Rated / Unrated This contest is an Unrated contest. ### Question Creator * admin02

## Contest Rules This contest is a 90-minute individual contest. ### Submissions * Submit your answers in the format shown in each problem statement. * Gnit checks answers by exact match with a natural number. Because of this, different answers caused by rounding are not accepted. * In physics, you may often round values based on significant figures. In this contest, do not round intermediate values or final results unless the problem statement tells you to do so. * You can submit an answer up to 10 times for each problem. The 11th and later submissions will not be accepted. * Some numbers may be complex to prevent guessing. Please use a calculator. ### You may use * A calculator * Scratch paper ### You may not use * AI tools * Textbooks or reference books * Web search * Help from other people * Sharing solutions, hints, or answers with others * Multiple accounts, impersonation, or any other unfair method If cheating is found, your score may become invalid under the Terms of Service. ### Rated / Unrated This contest will be Rated only if there are 20 or more Rated participants. If there are 19 or fewer Rated participants, the contest will be Unrated.

This contest is designed for night owls, taking place from late at night through the early morning (Japan Standard Time). Incorporating feedback from the creator, this contest features a collection of highly challenging problems. We strongly recommend solving past problems beforehand. ___ Creator (TAC0S): https://x.com/i_am_phyne/status/2086366002238153075 Gnit: https://gnit.me/users/79fc3cdb-c70d-4028-b726-b9c70887821a ___ As expected, there are many problems and a long time limit. Let's all have a great time. (The rules are identical to those of GEO.) In principle, viewing anything other than the contest page—such as looking up past Gnit problems—is prohibited. Good luck solving the problems. You've got plenty of time. Organizer's thoughts 　It's oooooooover! Organizer's thoughts 2 　I want to go home. Organizer's thoughts 3 　Finally finished the problems after 4 hours...

## Important Notes This contest is **not** in English. This contest is a 90-minute individual competition. Please submit your answer to each problem within the time limit. The problems are not necessarily arranged in order of ease. Skip problems you don't know the answer to. This contest is part of the Gnit Weekly Challenge Advanced, but it is a highly biased contest that only features extremely difficult problems. ### Difficulty Level This contest is approximately the same difficulty level as the **later** Gnit Elite Open (GEO). ### Answer Guidelines * Please submit your answer according to the format specified in the problem statement. * Gnit uses natural number matching for exact match. Therefore, alternative solutions due to different rounding methods will not be accepted. * While values ​​are sometimes rounded to match significant figures in physics, in this contest, do not round intermediate or final results unless specifically instructed. * You can submit a maximum of 10 times per problem. Submissions beyond the 11th will not be accepted. * To prevent players from guessing the correct answer by substituting arbitrary values, the numbers may be intentionally made complex. Using a calculator is strongly recommended. ### Available Items * Calculator * Scratch paper ### Prohibited Actions The following actions are prohibited: * Use of AI generation tools * Referencing solutions from textbooks, reference books, or web searches * Consulting with others * Sharing solutions, hints, or answers with others * Participating with multiple accounts, impersonation, or other fraudulent methods If fraudulent activity is discovered, scores may be invalidated in accordance with the terms of service. ### About This Contest This contest is the Advanced contest of the Gnit Weekly Challenge, held every Wednesday. It consists of 7 questions, with a maximum difficulty of **10** and a minimum difficulty of **6**. We hope you will use it for review or as a warm-up. ### About Rated/Unrated Contests This contest is an Unrated contest. ### Problem Creator * admin02 ### Caution Please check the constraints repeatedly.

## Important Notes This contest is not English-language. This contest is a 60-minute individual competition. Please submit your answers to each problem within the time limit. The questions aren't necessarily arranged in order of difficulty. Skip any questions you don't know the answer to. ### Difficulty Level This contest is approximately the same difficulty level as the Gnit Elite Open (GEO). ### Answer Guidelines * Please submit your answers according to the format specified in the problem statement. * Gnit uses natural number matching for exact matches. Therefore, alternative solutions due to different rounding methods will not be accepted. * While values ​​are sometimes rounded to match significant figures in physics, in this contest, please do not round intermediate or final results unless specifically instructed. * You can submit a maximum of 10 times per problem. Submissions beyond the 11th will not be accepted. * To prevent users from substituting arbitrary values ​​to get the correct answer, the numbers may be intentionally made complex. The use of a calculator is strongly recommended. ### Available Items * Calculator * Scratch paper ### Prohibited Actions The following actions are prohibited: * Use of AI generation tools * Referencing solutions from textbooks, reference books, or web searches * Consulting with others * Sharing solutions, hints, or answers with others * Participating with multiple accounts, impersonation, or other fraudulent methods If fraudulent activity is discovered, scores may be invalidated in accordance with the terms of service. ### About this Contest This contest is the Advanced contest of the Gnit Weekly Challenge, held every Wednesday. It consists of 4 questions, with a maximum difficulty of **10** and a minimum difficulty of **6**. We hope you will use it for review or as a warm-up. ### About Rated / Unrated This contest is an Unrated contest. ### Problem Creator * admin02

## Contest Rules This contest is a 90-minute individual contest. ### Submissions * Submit your answers in the format shown in each problem statement. * Gnit checks answers by exact match with a natural number. Because of this, different answers caused by rounding are not accepted. * In physics, you may often round values based on significant figures. In this contest, do not round intermediate values or final results unless the problem statement tells you to do so. * You can submit an answer up to 10 times for each problem. The 11th and later submissions will not be accepted. * Some numbers may be complex to prevent guessing. Please use a calculator. ### You may use * A calculator * Scratch paper ### You may not use * AI tools * Textbooks or reference books * Web search * Help from other people * Sharing solutions, hints, or answers with others * Multiple accounts, impersonation, or any other unfair method If cheating is found, your score may become invalid under the Terms of Service. ### Rated / Unrated This contest will be Rated only if there are 20 or more Rated participants. If there are 19 or fewer Rated participants, the contest will be Unrated.