Art of Problem Solving

National Internet Math Olympiad: Difference between revisions

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The '''National Internet Math Olympiad (NIMO)''' is a team-based series of online math tests for high school students. It is organized by Evan Chen.
The '''National Internet Math Olympiad (NIMO)''' was a team-based series of online math tests for high school students. It was organized by Evan Chen.


==Contests==
==Contests==
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===Online Math Open===
===Online Math Open===


The '''Online Math Open (OMO)''' is a math Olympiad held in fall and spring. There are 30 questions (each worth 1 point), and each answer is a nonnegative integer less than or equal to <math>2^{31} - 1 = 2147483647</math>. The test lasts for 12 days. The only electronic math tool allowed is a four-function calculator.
The '''Online Math Open (OMO)''' was a math Olympiad held in fall and spring. There are 30 questions (each worth 1 point), and each answer is a nonnegative integer less than or equal to <math>2^{31} - 1 = 2147483647</math>. The test lasts for 12 days. The only electronic math tool allowed is a four-function calculator.


{{Contest Info|name=OMO|region=USA|type=Short Answer|difficulty=1-9.5|breakdown=<u>Problem 1-5</u>: 1-3<br><u>Problem 6-10</u>: 3-4 <br><u>Problem 11-15</u>: 4.5-5.5 <br><u>Problem 16-20</u>: 6 <br><u>Problem 21-25</u>: 7-8 <br><u>Problem 26-30</u>: 8-9.5 }}
{{Contest Info|name=OMO|region=USA|type=Short Answer|difficulty=1-9.5|breakdown=<u>Problem 1-5</u>: 1-3<br><u>Problem 6-10</u>: 3-4 <br><u>Problem 11-15</u>: 4.5-5.5 <br><u>Problem 16-20</u>: 6 <br><u>Problem 21-25</u>: 7-8 <br><u>Problem 26-30</u>: 8-9.5 }}
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===NIMO Summer Contest===
===NIMO Summer Contest===


The '''NIMO Summer Contest''' is another online contest where each question is worth the respective question’s number points. Solvers can not return to a problem when a problem is skipped.
The '''NIMO Summer Contest''' was another online contest where each question was worth the respective question’s number points. Solvers can not return to a problem when a problem was skipped.
Lol


===NIMO Monthly Contest===
===NIMO Monthly Contest===


The '''NIMO Monthly Contest''' has 8 questions that must be solved in 40 minutes. Solvers can submit up to 3 attempts.
The '''NIMO Monthly Contest''' has 8 questions that must be solved in 40 minutes. Solvers can submit up to 3 attempts.


As of 2018, the NIMO Monthly Contest has been discontinued.
As of 2018, the NIMO Monthly Contest has been discontinued.


==Resources==
==Resources==
* [http://internetolympiad.org/ Official Site (with past problems)]
* [http://www.artofproblemsolving.com/Forum/viewforum.php?f=581 AoPS Forum]
* [http://www.artofproblemsolving.com/Forum/viewforum.php?f=581 AoPS Forum]



Latest revision as of 19:39, 29 December 2024

The National Internet Math Olympiad (NIMO) was a team-based series of online math tests for high school students. It was organized by Evan Chen.

Contests

Online Math Open

The Online Math Open (OMO) was a math Olympiad held in fall and spring. There are 30 questions (each worth 1 point), and each answer is a nonnegative integer less than or equal to $2^{31} - 1 = 2147483647$. The test lasts for 12 days. The only electronic math tool allowed is a four-function calculator.

OMO
Region: USA
Type: Short Answer
Difficulty: 1-9.5
Difficulty Breakdown:

Problem 1-5: 1-3
Problem 6-10: 3-4
Problem 11-15: 4.5-5.5
Problem 16-20: 6
Problem 21-25: 7-8
Problem 26-30: 8-9.5

NIMO Summer Contest

The NIMO Summer Contest was another online contest where each question was worth the respective question’s number points. Solvers can not return to a problem when a problem was skipped.

NIMO Monthly Contest

The NIMO Monthly Contest has 8 questions that must be solved in 40 minutes. Solvers can submit up to 3 attempts.

As of 2018, the NIMO Monthly Contest has been discontinued.

Resources