{"status": "success", "data": {"description_md": "Let $m$ and $n$ be odd integers greater than $1.$ An $m\\times n$ rectangle is made up of unit squares where the squares in the top row are numbered left to right with the integers $1$ through $n$, those in the second row are numbered left to right with the integers $n + 1$ through $2n$, and so on. Square $200$ is in the top row, and square $2000$ is in the bottom row. Find the number of ordered pairs $(m,n)$ of odd integers greater than $1$ with the property that, in the $m\\times n$ rectangle, the line through the centers of squares $200$ and $2000$ intersects the interior of square $1099.$\n___\nLeading zeroes must be inputted, so if your answer is `34`, then input `034`. Full credit goes to [MAA](https://maa.org/) for authoring these problems. These problems were taken on the [AOPS](https://artofproblemsolving.com/) website.", "description_html": "<p>Let <span class=\"katex--inline\">m</span> and <span class=\"katex--inline\">n</span> be odd integers greater than <span class=\"katex--inline\">1.</span> An <span class=\"katex--inline\">m\\times n</span> rectangle is made up of unit squares where the squares in the top row are numbered left to right with the integers <span class=\"katex--inline\">1</span> through <span class=\"katex--inline\">n</span>, those in the second row are numbered left to right with the integers <span class=\"katex--inline\">n + 1</span> through <span class=\"katex--inline\">2n</span>, and so on. Square <span class=\"katex--inline\">200</span> is in the top row, and square <span class=\"katex--inline\">2000</span> is in the bottom row. Find the number of ordered pairs <span class=\"katex--inline\">(m,n)</span> of odd integers greater than <span class=\"katex--inline\">1</span> with the property that, in the <span class=\"katex--inline\">m\\times n</span> rectangle, the line through the centers of squares <span class=\"katex--inline\">200</span> and <span class=\"katex--inline\">2000</span> intersects the interior of square <span class=\"katex--inline\">1099.</span></p>&#10;<hr><p>Leading zeroes must be inputted, so if your answer is <code>34</code>, then input <code>034</code>. Full credit goes to <a href=\"https://maa.org/\">MAA</a> for authoring these problems. These problems were taken on the <a href=\"https://artofproblemsolving.com/\">AOPS</a> website.</p>", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 5, "problem_name": "2020 AIME II Problem 12", "can_next": true, "can_prev": true, "nxt": "/problem/20_aime_II_p13", "prev": "/problem/20_aime_II_p11"}}