Compressing 2-D Grids with Sparse Matrices
int rows = 11;
int cols = 11;
int[][] grid = new int[rows][cols];
grid[1][2] = 1;
grid[2][3] = 2;
// display the original grid
for (int[] row : grid) {
for (int v : row) System.out.print(v + " ");
System.out.println();
}
// count non-zero entries
int nonZero = 0;
for (int i = 0; i < rows; i++)
for (int j = 0; j < c ...
Posted on Thu, 20 Aug 2026 16:28:38 +0000 by ONiX