{"trustable":false,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003e\n h1 { font-size: 1.2em; }\n\u003c/style\u003e\n","sections":[{"title":"","value":{"format":"HTML","content":"\n\u003cdiv class\u003d\"md\"\u003e\u003cp\u003eHogwarts school of witchcraft and wizardry have given you n tasks. Each task has starting and ending days and amount of magic associated with it. Of course according to unbiased rules of Hogwarts you can only do one task each day.\u003c/p\u003e\n\u003cp\u003eSo what is maximum amount of magic you can earn by doing given tasks?\u003c/p\u003e\n\u003ch1 id\u003d\"input\"\u003eInput\u003c/h1\u003e\n\u003cp\u003eThe first input line contains an integer \u003cspan class\u003d\"math inline\"\u003e$ n $\u003c/span\u003e: the number of tasks.\u003c/p\u003e\n\u003cp\u003eAfter this, there are \u003cspan class\u003d\"math inline\"\u003e$ n $\u003c/span\u003e lines. Each such line has three integers \u003cspan class\u003d\"math inline\"\u003e$ a_i $\u003c/span\u003e, \u003cspan class\u003d\"math inline\"\u003e$ b_i $\u003c/span\u003e, and \u003cspan class\u003d\"math inline\"\u003e$ m_i $\u003c/span\u003e: the starting day of task, the ending day of task, and the magic associated with it.\u003c/p\u003e\n\u003ch1 id\u003d\"output\"\u003eOutput\u003c/h1\u003e\n\u003cp\u003ePrint one integer: maximum amount of magic you can earn.\u003c/p\u003e\n\u003ch1 id\u003d\"constraints\"\u003eConstraints\u003c/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class\u003d\"math inline\"\u003e$ 1 \\le n \\le 2 \\cdot 10^5 $\u003c/span\u003e\u003c/li\u003e\n\u003cli\u003e\u003cspan class\u003d\"math inline\"\u003e$ 1 \\le a_i \\le b_i \\le 10^9 $\u003c/span\u003e\u003c/li\u003e\n\u003cli\u003e\u003cspan class\u003d\"math inline\"\u003e$ 1 \\le m_i \\le 10^9 $\u003c/span\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003ch1 id\u003d\"example\"\u003eExample\u003c/h1\u003e\n\u003ctable class\u003d\"vjudge_sample\"\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\u003e4\n2 4 4\n3 6 6\n6 8 2\n5 7 3\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e7\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003c/div\u003e "}}]}