{"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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cstyle type\u003d\u0027text/css\u0027\u003e .input, .output {border: 1px solid #888888;} .output {margin-bottom:1em;position:relative;top:-1px;} .output pre,.input pre {background-color:#EFEFEF;line-height:1.25em;margin:0;padding:0.25em;} .title {background-color:#FFFFFF;border-bottom: 1px solid #888888;font-family:arial;font-weight:bold;padding:0.25em;} \u003c/style\u003e \u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027]], displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027]]}\n });\n \u003c/script\u003e\n \u003cscript type\u003d\"text/javascript\" async\n src\u003d\"https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\"\u003e\n \u003c/script\u003e\n\u003cp\u003elgc:这新生最近有点飘,要不要让他们爆几次零,儒闻人言否。我都看不下去了,现在跟我一起打倒lgc吧,lgc有n个分身。每个分身有能力值a[i]。然后现在有m个学弟学妹,每个人也有能力值p[i],每个人还一个耐力值s[i],表示这个人一天能消灭多少个分身。现在你必须按顺序一个接一个的消灭他,不能改变顺序,然后问你最少多少天,能消灭lgc学长的分身。一天只能派出一个人,请慎重选择\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e第一行包含一个整数t(1≤t≤10^5)-测试用例数。接下来是测试用例。\n\n\u003cdiv\u003e\n\n每个测试用例的第一行包含一个整数n(1≤n≤2⋅10^5)-lgc分身的数量。\n\u003cdiv\u003e\n第二行包含n个整数a1,a2,…,an(1≤ai≤10^9),其中ai是第i个分身的能力值。\n\n第三行包含一个整数m(1≤m≤2⋅10^5)-您所在团队中的人数。\n\n接下来是m行,每行描述一个学弟学妹。每行包含两个整数pi和si(1≤pi≤10^9,1≤si≤n)-第i个学弟学妹的力量和耐力。\n\u003cdiv\u003e\n保证所有测试用例的n+m之和不超过2*10^5。\n\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e对于每个测试用例,打印一个整数-打败所有lgc所需的最少天数(如果不可能,则打印-1)。\u003c/p\u003e"}},{"title":"Example","value":{"format":"HTML","content":"\u003cdiv class\u003d\"sample-test\"\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003e2\n6\n2 3 11 14 1 8\n2\n3 2\n100 1\n5\n3 5 100 2 3\n2\n30 5\n90 1\n\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003e5\n-1\n\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}