{"status": "success", "data": {"description_md": "Let $N$ be the number of ordered triples $(A,B,C)$ of integers satisfying the conditions<br><br>a) $0\\leq A<B<C\\leq99$,<br>b) there exist integers $a$, $b$, and $c$, and prime $p$ where $0\\leq b < a < c < p$,<br>c) $p$ divides $A-a$, $B-b$, and $C-c$, and<br>d) each ordered triple $(A,B,C)$ and each ordered triple $(b,a,c)$ form arithmetic sequences.<br><br>Find $N$.\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\">N</span> be the number of ordered triples <span class=\"katex--inline\">(A,B,C)</span> of integers satisfying the conditions<br/><br/>a) <span class=\"katex--inline\">0\\leq A&lt;B&lt;C\\leq99</span>,<br/>b) there exist integers <span class=\"katex--inline\">a</span>, <span class=\"katex--inline\">b</span>, and <span class=\"katex--inline\">c</span>, and prime <span class=\"katex--inline\">p</span> where <span class=\"katex--inline\">0\\leq b &lt; a &lt; c &lt; p</span>,<br/>c) <span class=\"katex--inline\">p</span> divides <span class=\"katex--inline\">A-a</span>, <span class=\"katex--inline\">B-b</span>, and <span class=\"katex--inline\">C-c</span>, and<br/>d) each ordered triple <span class=\"katex--inline\">(A,B,C)</span> and each ordered triple <span class=\"katex--inline\">(b,a,c)</span> form arithmetic sequences.<br/><br/>Find <span class=\"katex--inline\">N</span>.</p>&#10;<hr/>&#10;<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>&#10;", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 6, "problem_name": "2013 AIME I Problem 15", "can_next": false, "can_prev": true, "nxt": "", "prev": "/problem/13_aime_I_p14"}}