{"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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"cold玩真人cs","value":{"format":"MD","content":"cold最近迷上了射击游戏。在游戏中cold是一名狙击手。对于cold来说他有一个射击范围。在这个范围内的敌人它可以一发毙命。而在这个范围之外的敌人他需要两发。例如cold的射击范围是[30,90],他每一次射击都能消灭一个在这个距离范围内的敌人。而不在这个距离之中的敌人,例如位置在95那么他则需要两发子弹。\n\n现在cold倍困在山顶,有n个敌人围住了他,cold的枪里有m发子弹,并且cold知道每个敌人离他的距离。"}},{"title":"Input","value":{"format":"MD","content":"第一行四个整数n,m,s,f。分别表示n个敌人,m发子弹,cold能对[s,f]范围内的敌人一发毙命。$$$1≤n≤1,000,000; 1≤m≤1,000,000,000; 1≤s≤f≤1,000,000,000$$$\n\n第二行n个整数,表示每个敌人距cold的距离。"}},{"title":"Output","value":{"format":"MD","content":"若cold能杀死全部的敌人则输出lzdak!否则输出cold能杀死敌人的数量。"}},{"title":"Example","value":{"format":"MD","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 10 1 10\n2 9\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\u003elzdak!\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}