JAVA
java
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import java.util.Scanner;
public class Program {
private static void printMatrix(int[][] matrix) {
int n = matrix.length;
int m = matrix[0].length;
System.out.println("{");
for (int i=0; i < n; i++) {
System.out.print("\t\t{");
for (int j=0; j < m; j++) {
System.out.print(matrix[i][j]);
if (j != m-1)
System.out.print(", ");
}
System.out.print("}");
if (i != n-1)
System.out.println(",");
}
System.out.println("\n}");
}
private static void fillSnakeMatrix(int[][] matrix) {
int n = matrix.length;
int col = 0, el = 1;
boolean forward = true;
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OUTPUT
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