{"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":"","value":{"format":"PLAIN","content":" 给你两个整数n和k,每一次操作你可以选择让n减1,或者当k能整除n时,使n\u003dn/k。请问将n变为0所需要的最小次数。"}},{"title":"Input","value":{"format":"PLAIN","content":" 第一行一个整数t(1\u003c\u003dt\u003c\u003d100),表示数据组数。\n 每组数据两个整数n和k,(1\u003c\u003dn\u003c\u003d1e18, 2\u003c\u003dk\u003c\u003d1e18)意义如上。"}},{"title":"Output","value":{"format":"PLAIN","content":"每组数据输出一个整数表示答案。"}},{"title":"Example","value":{"format":"PLAIN","content":"Input\n2\n1 2\n59 3\n\nOutput\n1\n8"}}]}