{"trustable":false,"prependHtml":"\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 async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"MD","content":"[题目链接](https://www.baidu.com/s?ie\u003dutf-8\u0026f\u003d8\u0026rsv_bp\u003d0\u0026rsv_idx\u003d1\u0026tn\u003dbaidu\u0026wd\u003d%E4%BD%99%E6%98%9F%E8%BE%B0%E5%92%8C%E9%99%88%E5%86%A0%E4%B8%80%E5%9C%A8%E7%BA%BF%E5%8F%91%E7%89%8C\u0026rsv_pq\u003dd1c0ae5600011d16\u0026rsv_t\u003d7ad1BpvE6L3vgxVx89aJL3wHHjhahodBdT2VOXcK%2BMj48T5YQVllfpqD568\u0026rqlang\u003dcn\u0026rsv_enter\u003d1\u0026rsv_n\u003d2\u0026rsv_sug3\u003d1\u0026rsv_sug2\u003d0\u0026inputT\u003d805\u0026rsv_sug4\u003d805)"}},{"title":"Input","value":{"format":"MD","content":""}},{"title":"Output","value":{"format":"MD","content":""}},{"title":"Sample Input","value":{"format":"MD","content":""}},{"title":"Sample Output","value":{"format":"MD","content":""}}]}