import java.io.*; class GFG { // Function print matrix in spiral form static void spiralPrint(int m, int n, int a[][]) { int i, k = 0, l = 0; /* k - starting row index m - ending row index l - starting column index n - ending column index i - iterator */ while (k < m && l < n) { // Print the first row from the remaining rows for (i = l; i < n; ++i) { System.out.print(a[k][i] + " "); } k++; // Print the last column from the remaining // columns for (i = k; i < m; ++i) { System.out.print(a[i][n - 1] + " "); } n--; // Print the last row from the remaining rows */ if (k < m) { for (i = n - 1; i >= l; --i) { System.out.print(a[m - 1][i] + " "); } m--; } // Print the first column from the remaining // columns */ if (l < n) { for (i = m - 1; i >= k; --i) { System.out.print(a[i][l] + " "); } l++; } } } public static void main(String[] args) { int R = 3; int C = 6; int a[][] = { { 1, 2, 3, 4, 5, 6 }, { 7, 8, 9, 10, 11, 12 }, { 13, 14, 15, 16, 17, 18 } }; // Function Call spiralPrint(R, C, a); } }