BCG X utilizes CodeSignal for their initial coding assessments. The assessment generally consists of 4 coding problems, which may include: Array Manipulation: Tasks involving transformations of arrays, such as summing adjacent elements. String Pattern Matching: Identifying substrings that match a given pattern, considering specific character conditions. Two-Dimensional Array Traversal: Navigating and manipulating 2D arrays, often related to game field simulations. Data Processing: Implementing functions to process and analyze datasets, such as calculating averages or filtering data. The assessment is designed to evaluate your problem-solving skills and coding proficiency. Candidates are expected to write clean, efficient code. A strong performance in this stage is crucial for progressing to the next rounds.