{"trustable":true,"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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cp\u003eYou are given two integers $$$a$$$ and $$$b$$$. You can perform a sequence of operations: during the first operation you choose one of these numbers and increase it by $$$1$$$; during the second operation you choose one of these numbers and increase it by $$$2$$$, and so on. You choose the number of these operations yourself.\u003c/p\u003e\u003cp\u003eFor example, if $$$a \u003d 1$$$ and $$$b \u003d 3$$$, you can perform the following sequence of three operations: \u003c/p\u003e\u003col\u003e \u003cli\u003e add $$$1$$$ to $$$a$$$, then $$$a \u003d 2$$$ and $$$b \u003d 3$$$; \u003c/li\u003e\u003cli\u003e add $$$2$$$ to $$$b$$$, then $$$a \u003d 2$$$ and $$$b \u003d 5$$$; \u003c/li\u003e\u003cli\u003e add $$$3$$$ to $$$a$$$, then $$$a \u003d 5$$$ and $$$b \u003d 5$$$. \u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCalculate the minimum number of operations required to make $$$a$$$ and $$$b$$$ equal. \u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003eThe first line contains one integer $$$t$$$ ($$$1 \\le t \\le 100$$$) — the number of test cases.\u003c/p\u003e\u003cp\u003eThe only line of each test case contains two integers $$$a$$$ and $$$b$$$ ($$$1 \\le a, b \\le 10^9$$$).\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003eFor each test case print one integer — the minimum numbers of operations required to make $$$a$$$ and $$$b$$$ equal. \u003c/p\u003e"}},{"title":"Examples","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e3\n1 3\n11 11\n30 20\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e3\n0\n4\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Note","value":{"format":"HTML","content":"\u003cp\u003eFirst test case considered in the statement.\u003c/p\u003e\u003cp\u003eIn the second test case integers $$$a$$$ and $$$b$$$ are already equal, so you don\u0027t need to perform any operations.\u003c/p\u003e\u003cp\u003eIn the third test case you have to apply the first, the second, the third and the fourth operation to $$$b$$$ ($$$b$$$ turns into $$$20 + 1 + 2 + 3 + 4 \u003d 30$$$).\u003c/p\u003e"}}]}