GBC(java)

https://softeer.ai/practice/info.do?idx=1&eid=584 

Softeer

import java.util.*;
import java.io.*;


public class Main
{
    public static int getCurrentSpeed(int[][] arrays, int targetSpeed){
        int sum = 0;
        for(int[] array: arrays){
            sum += array[0];
            if (sum >= targetSpeed){
                return array[1];
            }
        }
        return 0;
    }
    public static void main(String args[]) throws IOException
    {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(in.readLine());

        int n = Integer.parseInt(st.nextToken());
        int m = Integer.parseInt(st.nextToken());
        int[][] limitArray = new int[n][2];
        int[][] testArray = new int[m][2];

        for(int i=0; i<n; i++){
            st = new StringTokenizer(in.readLine());
            limitArray[i][0] = Integer.parseInt(st.nextToken());
            limitArray[i][1] = Integer.parseInt(st.nextToken());
        }

        for(int i=0; i<m; i++){
            st = new StringTokenizer(in.readLine());
            testArray[i][0] = Integer.parseInt(st.nextToken());
            testArray[i][1] = Integer.parseInt(st.nextToken());
        }

        int result = 0;

        for(int i=0; i<101; i++){
            int limitSpeed = getCurrentSpeed(limitArray, i);
            int testSpeed = getCurrentSpeed(testArray, i);
            int diff = testSpeed - limitSpeed;
            if (result < diff){
                result = diff;
            }
            
        }
        System.out.println(result);
    }
    
}