{"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":"问题描述","value":{"format":"HTML","content":"你现在有0..10^6这些数字供选择,让你组成一个大小恰好为n的整数集合,这个集合里面的数字各不不相同,且要求它们的异或和为x.\u003c/br\u003e\n如整数集合为{2,3,4,5},则它们的异或和的表达式就为2^3^4^5."}},{"title":"Input","value":{"format":"HTML","content":"第一行两个数字n和x.\u003c/br\u003e\n1\u003c\u003dn\u003c\u003d10^5\u003c/br\u003e\n0\u003c\u003dx\u003c\u003d10^5"}},{"title":"Output","value":{"format":"HTML","content":"如果没有这样的集合就只输出一行“NO”.\u003c/br\u003e\n否则,第一行输出\"YES\";\u003c/br\u003e\n第二行,输出n个不同的整数ai(0\u003c\u003dai\u003c\u003d10^6).\n"}},{"title":"Example","value":{"format":"HTML","content":"\u003cstyle type\u003d\u0027text/css\u0027\u003e .input, .output {border: 1px solid #888888;} .output {margin-bottom:1em;position:relative;top:-1px;} .output pre,.input pre {background-color:#EFEFEF;line-height:1.25em;margin:0;padding:0.25em;} .title {background-color:#FFFFFF;border-bottom: 1px solid #888888;font-family:arial;font-weight:bold;padding:0.25em;} \u003c/style\u003e\u003cdiv class\u003d\"sample-tests\"\u003e\n \u003cdiv class\u003d\"section-title\"/div\u003e\n \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\u003e5 5\u003cbr\u003e\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\u003eYES\u003cbr\u003e1 2 4 5 7\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e3 6\u003cbr\u003e\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\u003eYES\u003cbr\u003e1 2 5\u003c/pre\u003e\n \u003c/div\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}},{"title":"Note","value":{"format":"HTML","content":"\u003cdiv class\u003d\"note\"\u003e\n \u003cdiv class\u003d\"section-title\"Note/div\u003e\n \u003cp\u003e第一个样例 \u003cimg align\u003d\"middle\" class\u003d\"tex-formula\" src\u003d\"CDN_BASE_URL/698cbee3d39b4c5fce3c052711aa1581?v\u003d1505879631\" style\u003d\"max-width: 100.0%;max-height: 100.0%;\" SRC\u003d\"CDN_BASE_URL/698cbee3d39b4c5fce3c052711aa1581?v\u003d1505879631\"\u003e.\u003c/p\u003e\n \u003cp\u003e第二个样例\u003cimg align\u003d\"middle\" class\u003d\"tex-formula\" src\u003d\"CDN_BASE_URL/7731eec5c936f91c55d164a1bb5a67dc?v\u003d1505879631\" style\u003d\"max-width: 100.0%;max-height: 100.0%;\" SRC\u003d\"CDN_BASE_URL/7731eec5c936f91c55d164a1bb5a67dc?v\u003d1505879631\"\u003e.\u003c/p\u003e\n\u003c/div\u003e"}}]}