[java] 백준/2775

java

import java.io.BufferedReader;
import java.io.InputStreamReader;
 
public class Backjun2775 {
 
    public static void main(String[] args) throws Exception{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();
        int count = Integer.parseInt(br.readLine());
 
            int arr[][] = new int [15][15];
            for(int q=0;q<15;q++) {
                arr[q][0] =1;
                arr[0][q] =q+1;
            }
            for(int j=1;j<15;j++) {
                for(int z=1;z<15;z++) {
                    arr[j][z] =arr[j-1][z]+arr[j][z-1];
                }
            }
            for(int i=0;i<count;i++) {
                int h = Integer.parseInt(br.readLine());
                int n = Integer.parseInt(br.readLine())-1;
                 sb.append(arr[h][n]+"\n");
            }
            System.out.print(sb);
    }
 
}