{"trustable":true,"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":"HTML","content":"\u003cdiv class\u003d\"panel_content\"\u003e仔细阅读下面的程序,然后回答问题。\u003cbr\u003e#pragma comment(linker, \"/STACK:1024000000,1024000000\")\u003cbr\u003e#include \u0026lt;cstdio\u0026gt;\u003cbr\u003e#include\u0026lt;iostream\u0026gt;\u003cbr\u003e#include \u0026lt;cstring\u0026gt;\u003cbr\u003e#include \u0026lt;cmath\u0026gt;\u003cbr\u003e#include \u0026lt;algorithm\u0026gt;\u003cbr\u003e#include\u0026lt;vector\u0026gt;\u003cbr\u003e\u003cbr\u003econst int MAX\u003d100000*2;\u003cbr\u003econst int INF\u003d1e9;\u003cbr\u003e\u003cbr\u003eint main()\u003cbr\u003e{\u003cbr\u003e\u0026nbsp;\u0026nbsp;int n,m,ans,i;\u003cbr\u003e\u0026nbsp;\u0026nbsp;while(scanf(\"%d%d\",\u0026amp;n,\u0026amp;m)!\u003dEOF)\u003cbr\u003e\u0026nbsp;\u0026nbsp;{\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;ans\u003d0;\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;for(i\u003d1;i\u0026lt;\u003dn;i++)\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;{\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;if(i\u0026amp;1)ans\u003d(ans*2+1)%m;\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;else ans\u003dans*2%m;\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;}\u003cbr\u003e\u0026nbsp;\u0026nbsp;\u0026nbsp;\u0026nbsp;printf(\"%d\\n\",ans);\u003cbr\u003e\u0026nbsp;\u0026nbsp;}\u003cbr\u003e\u0026nbsp;\u0026nbsp;return 0;\u003cbr\u003e}\u003c/div\u003e"}},{"title":"输入","value":{"format":"HTML","content":"多组测试数据,每行包含两个整数n和m。直到文件结束。\u003cbr\u003e\u003cb\u003e[技术规格]\u003c/b\u003e\u003cbr\u003e1≤n, m ≤ 1000000000"}},{"title":"输出","value":{"format":"HTML","content":"对于每个测试用例,输出一个整数,表示上述程序的输出。"}},{"title":"样例","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e1 10\r\n3 100\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e1\r\n5\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e"}}]}