"use strict"; const {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0]; const {useMDXComponents: _provideComponents} = arguments[0]; function _createMdxContent(props) { const _components = { a: "a", code: "code", figure: "figure", h2: "h2", img: "img", li: "li", p: "p", pre: "pre", span: "span", ul: "ul", ..._provideComponents(), ...props.components }; return _jsxs(_Fragment, { children: [_jsx(_components.p, { children: _jsx(_components.a, { href: "https://www.acmicpc.net/problem/2313", children: "문제 링크" }) }), "\n", _jsx(_components.h2, { children: "문제" }), "\n", _jsx(_components.p, { children: "보석 가게에 여러 가지의 보석이 진열되어 있다. 각각의 보석은 정수로 표현되는 가치가 있다. 때로는 저주받은 보석이 있기 때문에 가치가 음수가 될 수도 있다." }), "\n", _jsx(_components.p, { children: "보석들은 총 n개의 줄에 나열되어 있다. 이제 당신은 각각의 줄에서 몇 개의 보석을 구매하려 한다. 이때, 각 줄에서 보석을 구매할 때 연속적인 보석들을 구매해야 한다. 즉, 어느 한 줄에서 1, 2번 보석을 구매할 수도 있고, 2, 3번 보석을 구매할 수도 있지만, 1, 3번 보석을 구매할 수는 없다." }), "\n", _jsx(_components.p, { children: "구매하는 보석의 가치의 총 합이 최대가 되도록 보석을 구매하는 방법을 찾아내는 프로그램을 작성하시오." }), "\n", _jsx(_components.h2, { children: "입력" }), "\n", _jsx(_components.p, { children: "첫째 줄에 정수 n(1 <= n <= 1,000)이 주어진다. 다음 2xn개의 줄에는 n개의 줄에 나열된 보석들에 대한 정보가 주어진다. 먼저 각 줄에 나열된 보석의 개수 L(1 <= L <= 1,000)이 주어지고, 그 다음 줄에 L개의 정수들이 주어진다. 각 정수는 각 보석의 가치를 나타낸다. 보석의 가치는 절댓값이 10,000보다 작거나 같은 정수이다." }), "\n", _jsx(_components.h2, { children: "출력" }), "\n", _jsx(_components.p, { children: "첫째 줄에 보석의 가치의 총 합의 최댓값을 출력한다. 다음 n개의 줄에는, 줄에서 몇 번째 보석부터 몇 번째 보석까지를 구매했는지를 출력한다." }), "\n", _jsx(_components.p, { children: "만약 최대가 되는 경우가 여럿이면, 구매한 보석들의 총 개수가 최소가 되는 방법을 출력한다. 이와 같은 경우도 여럿이라면, 출력한 nx2개의 수들을 하나의 수열로 생각하여, 사전식으로 가장 앞에 오는 경우를 출력한다." }), "\n", _jsx(_components.h2, { children: "풀이" }), "\n", _jsxs(_components.p, { children: ["각 가게는 독립적이므로, 결국 매 수열마다 최대 부분 배열을 한 번씩 구하면 된다. 코드에서는 카데인 알고리즘 형태로 ", _jsx(_components.code, { children: "curSum" }), "을 유지하면서 최대 합 구간을 찾는다."] }), "\n", _jsx(_components.p, { children: "현재 누적합이 0 이하가 되면 새로 시작하는 편이 유리하므로 시작점을 현재 위치로 옮긴다. 최대 합이 갱신되면 구간을 바꾸고, 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BOJ 2313 - 보석 구매하기