{"trustable":false,"prependHtml":"\u003cstyle type\u003d\u0027text/css\u0027\u003e\n .input, .output {\n border: 1px solid #888888;\n }\n .output {\n margin-bottom: 1em;\n position: relative;\n top: -1px;\n }\n .output pre, .input pre {\n background-color: #EFEFEF;\n line-height: 1.25em;\n margin: 0;\n padding: 0.25em;\n }\n \u003c/style\u003e\n \u003clink rel\u003d\"stylesheet\" href\u003d\"//codeforces.org/s/96598/css/problem-statement.css\" type\u003d\"text/css\" /\u003e\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"MD","content":"总所周知,X_X是一个无聊的人。\nX_X总是会想到一些无聊的游戏,还非要你玩\n这天他又来了……\n“你有一个长度为N的序列{Ai},每轮你可以选择一个位置x,使得Ax和Ax+1合并为一个数(Ax * Ax+1)%1000003,并得到(Ax - Ax+1)^2分。\n你需要操作N-1轮使得所有数合并在一起,现在问你你能得到的最高分是多少?”"}},{"title":"Input","value":{"format":"MD","content":"第一行包含一个整数N(1 \u003c\u003d N \u003c\u003d 300), 表示序列长度\n第二行包含N个整数a1,a2,…,an(1 \u003c\u003d ai \u003c\u003d 1e6);"}},{"title":"Output","value":{"format":"MD","content":"输出一个整数表示答案"}},{"title":"Example","value":{"format":"MD","content":"\u003cdiv class\u003d\"sample-test\"\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e3\n1 2 3\n\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003e26\n\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}