{"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\nDeft_t and wood3s\u0027s students have a test.\n\u003cbr\u003e\n there are n(n\u0026lt;\u003d50)ACMer,everyone will test for m(m\u0026lt;\u003d5) problems,calculate each ACMer\u0027s average score and average score in each problems,output the number of ACMer whose score in each problem is greater or equal to the average score.\n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":" There are multiple test cases,each test case contains integer n and m,(n is the number of ACMer and m is the number of problems)then there are n lines ,each line has m integer indicates the score of each problem.\n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"For each test case,output 3 lines,\u003cbr\u003eThe first line contains n numbers to show the average score of n ACMer ,The result is two decimal places;\u003cbr\u003eThe second line contains m numbers to show the average score of the m problems ,The result is two decimal places;\u003cbr\u003eThe third line is a integer to show the number of ACMer in the class with greater or equal to the average in all problems.\n\u003cbr\u003eeach test case followed by a blank line.。 \n\u003cbr\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2 2\n5 10\n10 20\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e7.50 15.00\n7.50 15.00\n1\u003c/pre\u003e"}}]}