{"trustable":true,"prependHtml":"\u003cstyle type\u003d\"text/css\"\u003e\n h1 { font-size: 1.2em; }\n\u003c/style\u003e\n","sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv class\u003d\"md\"\u003e\u003cp\u003eConsidere um sistema monetário composto por \u003cspan class\u003d\"math inline\"\u003e$ n $\u003c/span\u003e moedas. Cada moeda tem um valor inteiro positivo. Sua tarefa é produzir uma quantia de dinheiro \u003cspan class\u003d\"math inline\"\u003e$ x $\u003c/span\u003e usando as moedas disponíveis de forma que o número de moedas seja mínimo.\u003c/p\u003e\n\u003cp\u003ePor exemplo, se as moedas forem \u003cspan class\u003d\"math inline\"\u003e$ \\{1,5,7\\} $\u003c/span\u003e e a quantia desejada for \u003cspan class\u003d\"math inline\"\u003e$ 11 $\u003c/span\u003e, uma solução ótima é \u003cspan class\u003d\"math inline\"\u003e$ 5+5+1 $\u003c/span\u003e que requer \u003cspan class\u003d\"math inline\"\u003e$ 3 $\u003c/span\u003e moedas.\u003c/p\u003e\n\u003ch1 id\u003d\"input\"\u003eEntrada\u003c/h1\u003e\n\u003cp\u003eA primeira linha de entrada contém dois inteiros \u003cspan class\u003d\"math inline\"\u003e$ n $\u003c/span\u003e e \u003cspan class\u003d\"math inline\"\u003e$ x $\u003c/span\u003e: o número de moedas e a quantia desejada de dinheiro.\u003c/p\u003e\n\u003cp\u003eA segunda linha contém \u003cspan class\u003d\"math inline\"\u003e$ n $\u003c/span\u003e inteiros distintos \u003cspan class\u003d\"math inline\"\u003e$ c_1,c_2,\\dots,c_n $\u003c/span\u003e: o valor de cada moeda.\u003c/p\u003e\n\u003ch1 id\u003d\"output\"\u003eSaída\u003c/h1\u003e\n\u003cp\u003eImprima um inteiro: o número mínimo de moedas. Se não for possível produzir a quantia desejada, imprima \u003cspan class\u003d\"math inline\"\u003e$ -1 $\u003c/span\u003e.\u003c/p\u003e\n\u003ch1 id\u003d\"constraints\"\u003eRestrições\u003c/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class\u003d\"math inline\"\u003e$ 1 \\le n \\le 100 $\u003c/span\u003e\u003c/li\u003e\n\u003cli\u003e\u003cspan class\u003d\"math inline\"\u003e$ 1 \\le x \\le 10^6 $\u003c/span\u003e\u003c/li\u003e\n\u003cli\u003e\u003cspan class\u003d\"math inline\"\u003e$ 1 \\le c_i \\le 10^6 $\u003c/span\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003ch1 id\u003d\"example\"\u003eExemplo\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\u003e3 11\n1 5 7\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e3\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003c/div\u003e"}}]}