[SWEA] 원 안의 점

 

 

[문제]

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AYcllbDqUVgDFASR

SW Expert Academy

 

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int T = Integer.parseInt(br.readLine());
		for(int tc=1;tc<=T;tc++) {
			int n = Integer.parseInt(br.readLine());
			int result = 0;
			for(int i=-n;i<=n;i++) {
				for(int j=-n;j<=n;j++) {
					if(i*i+j*j <= n*n) result++;
				}
			}
			System.out.println("#"+tc+" "+result);
		}
	}
}