Merge pull request #90 from AlgorithmWithGod/khj20006

[20250212] BOJ / G5 / 카드게임 / 권혁준

Author: ShinHeeEul

khj20006/202502/12 BOJ G5 카드게임.md

@@ -0,0 +1,76 @@
+```java
+
+import java.util.*;
+import java.io.*;
+
+class Main {
+	
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st;
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+	static long nextLong() {return Long.parseLong(st.nextToken());}
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	static int[][] dp;
+	static int[] A, B;
+	static int N;
+	static final int INF = (int)1e9 + 1;
+	
+	public static void main(String[] args) throws Exception {
+		
+		ready();
+		solve();
+	
+		bwEnd();
+	}
+	
+	static void ready() throws Exception{
+
+		N = Integer.parseInt(br.readLine());
+		A = new int[N+1];
+		B = new int[N+1];
+		dp = new int[N+2][N+2];
+		for(int i=0;i<N+2;i++) Arrays.fill(dp[i], INF);
+		
+		nextLine();
+		for(int i=1;i<=N;i++) A[i] = nextInt();
+		nextLine();
+		for(int i=1;i<=N;i++) B[i] = nextInt();
+		
+	}
+	
+	static void solve() throws Exception{
+		
+		dp[0][0] = 0;
+		for(int i=1;i<=N+1;i++) for(int j=1;j<=N+1;j++) {
+			if(dp[i-1][j] != INF) {
+				if(dp[i][j] == INF) dp[i][j] = dp[i-1][j];
+				else dp[i][j] = Math.max(dp[i][j], dp[i-1][j]);
+			}
+			if(dp[i-1][j-1] != INF) {
+				if(dp[i][j] == INF) dp[i][j] = dp[i-1][j-1];
+				else dp[i][j] = Math.max(dp[i][j], dp[i-1][j-1]);
+			}
+			if(i<=N && j>1 && A[i] > B[j-1] && dp[i][j-1] != INF) {
+				if(dp[i][j] == INF) dp[i][j] = dp[i][j-1] + B[j-1];
+				else dp[i][j] = Math.max(dp[i][j], dp[i][j-1] + B[j-1]);
+			}
+		}
+		int ans = 0;
+		for(int i=1;i<=N+1;i++) {
+			if(dp[i][N+1] != INF) ans = Math.max(ans, dp[i][N+1]);
+			if(dp[N+1][i] != INF) ans = Math.max(ans, dp[N+1][i]);
+		}
+		bw.write(ans+"\n");
+		
+			
+	}
+	
+}
+
+```