Spiral Matrix

 

import java.util.*;
public class ArraysSpiral {
public static void main(String args []){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int m = sc.nextInt();

int matrix[][] = new int[n][m];
for(int i=0; i<n; i++){
for(int j=0; j<m; j++){
matrix[i][j] = sc.nextInt();
}
}

System.out.println("The spiral Order Matrix is:");

int rowStart = 0;
int rowEnd = n-1;

int colStart = 0;
int colEnd = m-1;
//to print spiral matrix
while(rowStart <= rowEnd && colStart <= colEnd){
//1
for(int col=colStart; col<=colEnd; col++){
System.out.print(matrix[rowStart][col] + " ");
}
rowStart++;

//2
for(int row=rowStart; row<=rowEnd; row++){
System.out.print(matrix[row][colEnd] + " ");
}
colEnd--;

//3
for(int col=colEnd; col>=colStart; col--){
System.out.print(matrix[rowEnd][col] + " ");
}
rowEnd--;

//4
for(int row=rowEnd; row>=rowStart; row--){
System.out.print(matrix[row][colStart] + " ");
}
colStart++;

System.out.println();
}
}
}

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