Function dfs

javascript/0417-pacific-atlantic-water-flow.js:84–102

(row, col, rows, cols, isReachable, heights)

};

const dfs = (row, col, rows, cols, isReachable, heights) => {
    isReachable[row][col] = true;

    for (const [_row, _col] of getNeighbors(row, rows, col, cols)) {
        if (isReachable[_row][_col]) continue;

        const isLower = heights[_row][_col] < heights[row][col];
        if (isLower) continue;

        dfs(
            _row,
            _col,
            rows,
            cols,
            isReachable,
            heights,
        ); /* Space O(ROWS * COLS) */
    }
};

var searchGrid = (
    heights,