From f1526cbeeb5b6cc99e46601bc71130d7dcacb24d Mon Sep 17 00:00:00 2001 From: Jinyeong Seol Date: Tue, 18 Nov 2025 23:54:59 +0900 Subject: [PATCH] =?UTF-8?q?[20251118]=20BOJ=20/=20G4=20/=20=EC=84=9C?= =?UTF-8?q?=EC=9A=B8=EC=97=90=EC=84=9C=20=EA=B2=BD=EC=82=B0=EA=B9=8C?= =?UTF-8?q?=EC=A7=80=20/=20=EC=84=A4=EC=A7=84=EC=98=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...60\352\271\214\354\247\200.md\342\200\216" | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 "Seol-JY/202511/18 BOJ G4 \354\204\234\354\232\270\354\227\220\354\204\234 \352\262\275\354\202\260\352\271\214\354\247\200.md\342\200\216" diff --git "a/Seol-JY/202511/18 BOJ G4 \354\204\234\354\232\270\354\227\220\354\204\234 \352\262\275\354\202\260\352\271\214\354\247\200.md\342\200\216" "b/Seol-JY/202511/18 BOJ G4 \354\204\234\354\232\270\354\227\220\354\204\234 \352\262\275\354\202\260\352\271\214\354\247\200.md\342\200\216" new file mode 100644 index 00000000..861dbf33 --- /dev/null +++ "b/Seol-JY/202511/18 BOJ G4 \354\204\234\354\232\270\354\227\220\354\204\234 \352\262\275\354\202\260\352\271\214\354\247\200.md\342\200\216" @@ -0,0 +1,59 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + StringTokenizer st = new StringTokenizer(br.readLine()); + + int N = Integer.parseInt(st.nextToken()); + int K = Integer.parseInt(st.nextToken()); + + int[][] segments = new int[N][4]; + for (int i = 0; i < N; i++) { + st = new StringTokenizer(br.readLine()); + for (int j = 0; j < 4; j++) { + segments[i][j] = Integer.parseInt(st.nextToken()); + } + } + + int[] dp = new int[K + 1]; + Arrays.fill(dp, -1); + dp[0] = 0; + + for (int i = 0; i < N; i++) { + int walkTime = segments[i][0]; + int walkMoney = segments[i][1]; + int bikeTime = segments[i][2]; + int bikeMoney = segments[i][3]; + + int[] newDp = new int[K + 1]; + Arrays.fill(newDp, -1); + + for (int t = 0; t <= K; t++) { + if (dp[t] == -1) continue; + + if (t + walkTime <= K) { + newDp[t + walkTime] = Math.max(newDp[t + walkTime], dp[t] + walkMoney); + } + + if (t + bikeTime <= K) { + newDp[t + bikeTime] = Math.max(newDp[t + bikeTime], dp[t] + bikeMoney); + } + } + + dp = newDp; + } + + int answer = 0; + for (int t = 0; t <= K; t++) { + if (dp[t] != -1) { + answer = Math.max(answer, dp[t]); + } + } + + System.out.println(answer); + } +} +```