{"blocks": [{"key": "e7d83870", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "96a705be", "text": "Implement a function that, given an m × n integer matrix representing colored blocks (same integers = same color), performs one round of \"Candy-Crush\" elimination:", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "aa0d2445", "text": "A cell is removed (set to 0) if at least two of its four neighbors (up, down, left, right) share the same color as the cell.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "2d9dcd1d", "text": "After removals, all remaining non-zero cells in each column fall down to fill empty spaces; zeros rise to the top.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "af745cd0", "text": "Return the resulting matrix after this single round.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}