diff --git "a/lkhyun/202506/03 BOJ G4 \355\214\260\353\246\260\353\223\234\353\241\254?.md" "b/lkhyun/202506/03 BOJ G4 \355\214\260\353\246\260\353\223\234\353\241\254?.md" new file mode 100644 index 00000000..399e7e95 --- /dev/null +++ "b/lkhyun/202506/03 BOJ G4 \355\214\260\353\246\260\353\223\234\353\241\254?.md" @@ -0,0 +1,49 @@ +```java +import java.util.*; +import java.io.*; +public class Main { + static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + static StringTokenizer st; + static int[][] dp; + static int N,M; + static int[] arr; + public static void main(String[] args) throws IOException { + N = Integer.parseInt(br.readLine()); + arr = new int[N+1]; + + st = new StringTokenizer(br.readLine()); + for (int i = 1; i <= N; i++) { + arr[i] = Integer.parseInt(st.nextToken()); + } + + dp = new int[N+1][N+1]; + for (int i = 1; i <= N; i++) { + dp[i][i] = 1; + } + for (int i = 1; i < N; i++) { + if(arr[i] == arr[i+1]){ + dp[i][i+1] = 1; + } + } + for (int i = 2; i < N; i++) { + for (int j = 1; j+i <= N; j++) { + if(arr[j] == arr[j+i]){ + dp[j][j+i] = dp[j+1][j+i-1]; + }else{ + dp[j][j+i] = 0; + } + } + } + M = Integer.parseInt(br.readLine()); + for (int i = 0; i < M; i++) { + st = new StringTokenizer(br.readLine()); + int S = Integer.parseInt(st.nextToken()); + int E = Integer.parseInt(st.nextToken()); + bw.write(dp[S][E] + "\n"); + } + bw.close(); + } +} + +```