[Java] 纯文本查看 复制代码 import java.util.Scanner;
/**
*
* @author AnCheng
*
*/
public class 回形取数 {
private static Scanner sc;
public static void main(String[] args) {
sc = new Scanner(System.in);
String[] str1 = sc.nextLine().split(" ");
int x = Integer.parseInt(str1[0]);
int y = Integer.parseInt(str1[1]);
String[][] arr = new String[x][y];
for (int i = 0; i < x; i++) {
String[] str = sc.nextLine().trim().split(" ");
arr[i] =str;
}
spiralOrderPrint(arr);
}
public static void spiralOrderPrint(String[][] matrix) {
int tR = 0;
int tC = 0;
int dR = matrix.length - 1;
int dC = matrix[0].length - 1;
while (tR <= dR && tC <= dC) {
printEdge(matrix, tR++, tC++, dR--, dC--);
}
}
public static void printEdge(String[][] m, int tR, int tC, int dR, int dC) {
if (tR == dR) {
for (int i = tC; i <= dC; i++) {
System.out.print(m[tR][i] + " ");
}
} else if (tC == dC) {
for (int i = tR; i <= dR; i++) {
System.out.print(m[i][tC] + " ");
}
} else {
int curC = tC;
int curR = tR;
while (curR != dR) {
System.out.print(m[curR][tC] + " ");
curR++;
}
while (curC != dC) {
System.out.print(m[dR][curC] + " ");
curC++;
}
while (curR != tR) {
System.out.print(m[curR][dC] + " ");
curR--;
}
while (curC != tC) {
System.out.print(m[tR][curC] + " ");
curC--;
}
}
}
}
|