{"trustable":true,"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":"\u003cdiv class\u003d\"panel_content\"\u003eYou are given an array $fx$.\u003cbr\u003eFor each $i (1\u0026lt;\u003d i \u0026lt;\u003dn)$ , we use a point $(i, fx[i])$ in $XoY$ coordinate plane to described it. \u003cbr\u003eYou are asked to answer $m$ queries, in each query there will be a rectangle and you need to count how many different y-cooordinate (of the points mentioned above) in the queried rectangle.\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"The first line contains an integer $T (1\u0026lt;\u003d T \u0026lt;\u003d5)$ representing the number of test cases.\u003cbr\u003eFor each test case , there are two integers $n,m(1\u0026lt;\u003dn\u0026lt;\u003d100000,1\u0026lt;\u003dm\u0026lt;\u003d100000)$ in the first line.\u003cbr\u003eThen one line contains n integers $fx[i] (0\u0026lt;\u003dfx[i]\u0026lt;\u003d100000)$ \u003cbr\u003eEach of the next m lines contain four integers $x_0,y_0,x_1,y_1(1\u0026lt;\u003dx_0\u0026lt;\u003dx_1\u0026lt;\u003dn,0\u0026lt;\u003dy_0\u0026lt;\u003dy_1\u0026lt;\u003d100000)$ which means matrix\u0027s lower-leftmost cell is $(x0,y0)$ and upper-rightest cell is $(x1,y1)$."}},{"title":"Output","value":{"format":"HTML","content":"For each test case print a single integer in a new line."}},{"title":"Sample","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\u003e1\r\n4 2\r\n1 0 3 1\r\n1 0 4 3\r\n1 0 4 2\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e3\r\n2\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}