[20250203] BOJ / 골드4 / 로또 / 권혁준

Author: oncsr

khj20006/202502/03 BOJ G4 로또.md

@@ -0,0 +1,43 @@
+```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
+	
+
+	public static void main(String[] args) throws Exception {
+
+		long[][] dp = new long[11][2001];
+		for(int i=1;i<=2000;i++) dp[1][i] = i;
+		for(int i=2;i<=10;i++) {
+			for(int j=1;j<=2000;j++) dp[i][j] = dp[i][j-1] + dp[i-1][j/2];
+		}
+		
+		nextLine();
+		int T = nextInt();
+		
+		while(T-- > 0) {
+			nextLine();
+			int n = nextInt(), m = nextInt();
+			bw.write(dp[n][m]+"\n");
+		}
+		
+		bwEnd();
+	}
+
+}
+
+```