[백준] 19637번 IF문 좀 대신 써줘

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();

        StringTokenizer st = new StringTokenizer(br.readLine());
        int N = Integer.parseInt(st.nextToken());
        int M = Integer.parseInt(st.nextToken());

        String[] type = new String[N];
        int[] power = new int[N];

        for (int i = 0; i < N; i++) {
            st = new StringTokenizer(br.readLine());
            type[i] = st.nextToken();
            power[i] = Integer.parseInt(st.nextToken());
        }

        for (int i = 0; i < M; i++) {
            int input = Integer.parseInt(br.readLine());
            int index = binarySearch(power, input);
            sb.append(type[index]).append("\n");
        }

        System.out.print(sb.toString());
    }

    private static int binarySearch(int[] arr, int target) {
        int start = 0;
        int end = arr.length - 1;
        int result = 0;

        while (start <= end) {
            int mid = (start + end) / 2;

            if (arr[mid] < target) {
                result = mid + 1;
                start = mid + 1;
            } else {
                end = mid - 1;
            }
        }

        return result;
    }
}