{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"omni-math","formal_name":"Omni-MATH","introduction":"Omni-MATH evaluates mathematical reasoning on Olympiad-level problems. Its official dataset contains 4,428 problems accompanied by domain and difficulty information.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://huggingface.co/datasets/KbsdJames/Omni-MATH","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"1c5902c2-a6f9-5f85-a5fa-cba0dc1fc3f5","task_key":"test--1c5902c2-a6f9-5f85-a5fa-cba0dc1fc3f5","task_revision_id":"1","upstream_id":"","short_description":"Let $A$ be a $n\\times n$ matrix such that $A_{ij} = i+j$. Find the rank of $A$.","config":"","split":"test","body":"{\"problem\":\"Let $A$ be a $n\\\\times n$ matrix such that $A_{ij} = i+j$. Find the rank of $A$.\\n\\n[hide=\\\"Remark\\\"]Not asked in the contest: $A$ is diagonalisable since real symetric matrix it is not difficult to find its eigenvalues.[/hide]\"}","display_format":"math","language":"","answer_status":"published","assets":[],"source_url":"https://huggingface.co/datasets/KbsdJames/Omni-MATH","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}