ByteDance Interview Questions and Answers

Debounce is a programming technique to limit the rate at which a function is executed, improving performance and efficiency.

• Debounce delays the execution of a function until after a specified wait time has elapsed since the last time it was invoked.

• Commonly used in scenarios like search input fields to prevent excessive API calls while the user is typing.

• Example: A search input that triggers an API call only after...read more

Search for a target value in a 2D matrix and return true if found, false otherwise.

• Start from the top right corner or bottom left corner for efficient search

• Use binary search in each row or column to narrow down the search space

• Handle edge cases like empty matrix or target not found

Reverse nodes in k-group is a problem where we need to reverse every k nodes in a linked list.

• Break the linked list into groups of k nodes

• Reverse each group of k nodes

• Connect the reversed groups back together

Logistic regression model evaluation involves assessing its performance using metrics like accuracy, precision, recall, and F1 score.

• Evaluate model performance using metrics like accuracy, precision, recall, and F1 score.

• Use confusion matrix to calculate true positives, true negatives, false positives, and false negatives.

• Calculate accuracy as (TP + TN) / (TP + TN + FP + FN).

• Calculate precision as TP / (TP + FP).

• C...read more

Yes, content moderation refers to the process of reviewing and monitoring user-generated content to ensure it meets certain guidelines and standards.

• Content moderation involves reviewing and monitoring user-generated content

• It aims to ensure the content meets specific guidelines and standards

• Moderators may remove or flag inappropriate or harmful content

• Examples include reviewing comments on social media platforms,...read more

Yes, TikTok should re-enter the Indian Markets.

• TikTok has a huge user base in India and its absence has created a void in the market.

• The ban on TikTok has also affected the livelihoods of many content creators and businesses.

• TikTok can take measures to address the concerns raised by the Indian government and ensure compliance with regulations.

• TikTok can also use this opportunity to improve its brand image and show...read more

General policies in content moderation aim to ensure that user-generated content is appropriate, legal, and safe.

• Content must not violate community guidelines or terms of service

• Content must not be illegal or infringe on intellectual property rights

• Content must not be harmful or offensive to individuals or groups

• Moderators must be trained to identify and remove inappropriate content

• Appeals process should be in pla...read more