帮忙看看，样例过了 交上去全是TLE

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StreamTokenizer;
import java.util.Arrays;

public class Main {

	static int N = (int) 1e6 + 10;

	static int n, m;

	static int target;

	static int binary(int num[], int target) {

		int l = 0;
		int r = num.length - 1;
		int mid = l + (r - l) / 2;

		while (r >= l) {
			mid = l + (r - l) / 2;

			if (num[mid] == target && num[mid - 1] != target) {
				return mid;
			}
			else if (num[mid] < target) {
				l = mid + 1;
			}
			else if (num[mid] > target) {
				r = mid - 1;
			}
		}

		return -1;
	}

	public static void main(String[] args) throws IOException {

		StreamTokenizer st = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));

		PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));

		st.nextToken();
		n = (int) st.nval;

		st.nextToken();
		m = (int) st.nval;

		int num[] = new int[n + 1];

		for (int i = 1; i <= n; i++) {
			st.nextToken();
			num[i] = (int) st.nval;
		}

		for (int i = 1; i <= m; i++) {
			st.nextToken();
			target = (int) st.nval;

			pw.print(binary(num, target) + " ");

		}
		pw.flush();

	}

}