From b13331c502eee7de6db3e716859567ee1dcde9c8 Mon Sep 17 00:00:00 2001 From: JHLEE325 <82587652+JHLEE325@users.noreply.github.com> Date: Fri, 14 Nov 2025 08:58:45 +0900 Subject: [PATCH] =?UTF-8?q?[20251114]=20BOJ=20/=20G4=20/=20=EC=88=98=20?= =?UTF-8?q?=EB=AC=B6=EA=B8=B0=20/=20=EC=9D=B4=EC=A4=80=ED=9D=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ... \354\210\230 \353\254\266\352\270\260.md" | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 "JHLEE325/202511/14 BOJ G4 \354\210\230 \353\254\266\352\270\260.md" diff --git "a/JHLEE325/202511/14 BOJ G4 \354\210\230 \353\254\266\352\270\260.md" "b/JHLEE325/202511/14 BOJ G4 \354\210\230 \353\254\266\352\270\260.md" new file mode 100644 index 00000000..216e7059 --- /dev/null +++ "b/JHLEE325/202511/14 BOJ G4 \354\210\230 \353\254\266\352\270\260.md" @@ -0,0 +1,48 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + public static void main(String[] args) throws Exception { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + int N = Integer.parseInt(br.readLine()); + + List plus = new ArrayList<>(); + List minus = new ArrayList<>(); + int ones = 0; + int zeros = 0; + + for (int i = 0; i < N; i++) { + int x = Integer.parseInt(br.readLine()); + if (x > 1) plus.add(x); + else if (x == 1) ones++; + else if (x == 0) zeros++; + else minus.add(x); + } + + int sum = ones; + + Collections.sort(plus, Collections.reverseOrder()); + for (int i = 0; i < plus.size(); i += 2) { + if (i + 1 < plus.size()) + sum += plus.get(i) * plus.get(i + 1); + else sum += plus.get(i); + } + + Collections.sort(minus); + for (int i = 0; i < minus.size(); i += 2) { + if (i + 1 < minus.size()) + sum += minus.get(i) * minus.get(i + 1); + else { + if (zeros > 0) { + zeros--; + } else { + sum += minus.get(i); + } + } + } + + System.out.println(sum); + } +} +```