{"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":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\u0027$\u0027,\u0027$\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\u0027\u003e\u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027\u003esetTimeout(function(){MathJax.Hub.Queue([\u0027Typeset\u0027, MathJax.Hub, \u0027left_view\u0027]);}, 2000);\u003c/script\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n小明今天上了 很高大上的 c语言程序编程课,但是小明向来上课不听课,老师下课的时候布置了一道程序题,描述如下:\n\n给你一个等差数列,一共有n个数,首项为2,公差为2,现在你可以从第一个数开始,使这个数列划分成若干个相邻的长度为m的区间,然后输出每个区间的平均值,如果最后的数不够m个,则以实际数量求平均值。编程输出该平均值序列。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"输入数据有多组,每组占一行,包含两个正整数n(n\u003c\u003d100)和m,n和m的含义如上所述。 \n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"对于每组输入数据,输出一个平均值序列,每组输出占一行。 \n\u003cbr\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e3 2\n4 2\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e3 6\n3 7\u003c/pre\u003e"}}]}