[백준] 15953번 : 상금 헌터 - Java(자바)

https://www.acmicpc.net/problem/15953

import java.util.*;
public class Main {
    public static void main(String args[]) {
        Scanner s=new Scanner(System.in);
        int n=s.nextInt();
        for(int i=0;i<n;i++){
            int a=s.nextInt();
            int b=s.nextInt();
            int na=0;
            int nb=0;
            
            if(a==0) na=0;
            else if(a==1) na=5000000;
            else if(a<=3) na=3000000;
            else if(a<=6) na=2000000;
            else if(a<=10) na=500000;
            else if(a<=15) na=300000;
            else if(a<=21) na=100000;
            
            if(b==0) nb=0;
            else if(b==1) nb=5120000;
            else if(b<=3) nb=2560000;
            else if(b<=7) nb=1280000;
            else if(b<=15) nb=640000;
            else if(b<=31) nb=320000;
            
            System.out.println(na+nb);
        }
    }
}