From 6baff7b182efbb4fbf7ef35995c37f7a92fb332f Mon Sep 17 00:00:00 2001 From: zinnnn37 Date: Mon, 6 Oct 2025 21:46:32 +0900 Subject: [PATCH] =?UTF-8?q?[20251006]=20BOJ=20/=20G5=20/=20=EB=82=B4?= =?UTF-8?q?=EB=A0=A4=EA=B0=80=EA=B8=B0=20/=20=EA=B9=80=EB=AF=BC=EC=A7=84?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...64\353\240\244\352\260\200\352\270\260.md" | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 "zinnnn37/202510/6 BOJ G5 \353\202\264\353\240\244\352\260\200\352\270\260.md" diff --git "a/zinnnn37/202510/6 BOJ G5 \353\202\264\353\240\244\352\260\200\352\270\260.md" "b/zinnnn37/202510/6 BOJ G5 \353\202\264\353\240\244\352\260\200\352\270\260.md" new file mode 100644 index 00000000..d6de430d --- /dev/null +++ "b/zinnnn37/202510/6 BOJ G5 \353\202\264\353\240\244\352\260\200\352\270\260.md" @@ -0,0 +1,72 @@ +```java +import java.io.*; +import java.util.Arrays; +import java.util.StringTokenizer; + +public class BJ_2096_내려가기 { + + private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + private static StringTokenizer st; + + private static int N, minAns, maxAns; + private static int[][] nums, min, max; + + public static void main(String[] args) throws IOException { + init(); + sol(); + } + + private static void init() throws IOException { + N = Integer.parseInt(br.readLine()); + + minAns = Integer.MAX_VALUE; + maxAns = 0; + + nums = new int[N][3]; + min = new int[N][3]; + max = new int[N][3]; + + for (int i = 0; i < N; i++) { + st = new StringTokenizer(br.readLine()); + for (int j = 0; j < 3; j++) { + nums[i][j] = Integer.parseInt(st.nextToken()); + } + } + + for (int i = 0; i < N; i++) { + Arrays.fill(min[i], Integer.MAX_VALUE); + } + + for (int i = 0; i < 3; i++) { + min[0][i] = nums[0][i]; + max[0][i] = nums[0][i]; + } + + } + + private static void sol() throws IOException { + for (int i = 1; i < N; i++) { + for (int j = 0; j < 3; j++) { + for (int k = j - 1; k <= j + 1; k++) { + if (k < 0 || k == 3) continue; + + min[i][j] = Math.min(min[i][j], nums[i][j] + min[i - 1][k]); + max[i][j] = Math.max(max[i][j], nums[i][j] + max[i - 1][k]); + } + } + } + + for (int i = 0; i < 3; i++) { + minAns = Math.min(minAns, min[N - 1][i]); + maxAns = Math.max(maxAns, max[N - 1][i]); + } + + bw.write(maxAns + " " + minAns); + bw.flush(); + bw.close(); + br.close(); + } + +} +``` \ No newline at end of file