SWEA_1954) 달팽이 숫자
SWEA
# D2
1954) 달팽이 숫자 (19.10.04)
문제 링크 (SW Expert Academy)
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import java.io.*;
public class Solution {
public static int cnt = 1;
public static void go(int[][] arr, int n, int i ) {
for(int q=i;q<n-i-1;q++) {
arr[i][q] = cnt++;
}
for(int p=i;p<n-i;p++) {
int q = n-i-1;
arr[p][q] = cnt++;
}
for(int q=n-i-2;q>=i;q--) {
int p = n-i-1;
arr[p][q] = cnt++;
}
for(int p=n-i-2;p>i;p--) {
int q = i;
arr[p][q] = cnt++;
}
}
public static void main(String args[]) throws IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int t = Integer.parseInt(br.readLine());
for(int i=1;i<=t;i++) {
int n = Integer.parseInt(br.readLine());
int[][] arr = new int[n][n];
for(int k=0;k<=n/2;k++) {
go(arr, n, k);
}
bw.write("#" + i + "\n");
for(int k=0;k<n;k++) {
for(int e=0;e<n;e++) {
bw.write(arr[k][e]+" ");
}
bw.write("\n");
}
cnt = 1;
}
bw.flush();
bw.close();
}
}
| cs |
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