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Conference Session Scheduling Beginner-Intermediate Worksheet: Focus on common variations practice Conference Session Scheduling BEGINNER INTERMEDIATE

Level up your Conference Session Scheduling skills! You're at Worksheet 4 of 10 (33% through this series). This step-up challenge worksheet features 20 beginner-intermediate-level problems with a focus on common variations practice. Topics covered: conference session scheduling for competitive exams, how to solve conference session scheduling, conference session scheduling tricks.

📝 Worksheet 4 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner Intermediate level

What you'll learn in this worksheet:
Your progress through Conference Session Scheduling
Worksheet 4 of 10 (33% complete)

Question 1

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Brown can only speak at 11:00-12:00 - Data Science and Blockchain cannot be in the same time slot - Prof. Jones and Prof. Wilson must speak in consecutive time slots - Robotics must be in Hall A Which speaker presents the Blockchain session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Brown at 11:00-12:00
- Robotics in Hall A
2. Apply consecutive constraint: Prof. Jones and Prof. Wilson in consecutive slots
3. Apply conflict constraint: Data Science and Blockchain not together

4. Final Schedule:
9:00-10:00:
- Hall A: Robotics by Prof. Jones
- Hall B: Cybersecurity by Dr. Taylor
- Hall C: Blockchain by Dr. Lee
10:00-11:00:
- Hall A: Machine Learning by Prof. Wilson
- Hall B: Cloud Computing by Dr. Chen
- Hall C: (empty)
11:00-12:00:
- Hall A: Data Science by Prof. Brown
- Hall B: (empty)
- Hall C: (empty)

Answer: Dr. Lee presents Blockchain

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 2

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Dr. Taylor can only speak at 11:00-12:00 - Cybersecurity and Machine Learning cannot be in the same time slot - Dr. Lee and Prof. Garcia must speak in consecutive time slots - Machine Learning must be in Hall C Which speaker presents the Data Science session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Dr. Taylor at 11:00-12:00
- Machine Learning in Hall C
2. Apply consecutive constraint: Dr. Lee and Prof. Garcia in consecutive slots
3. Apply conflict constraint: Cybersecurity and Machine Learning not together

4. Final Schedule:
9:00-10:00:
- Hall A: Data Science by Prof. Jones
- Hall B: Robotics by Prof. Brown
- Hall C: Machine Learning by Prof. Wilson
10:00-11:00:
- Hall A: IoT by Dr. Lee
- Hall B: AI Ethics by Prof. Garcia
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: Cybersecurity by Dr. Taylor

Answer: Prof. Jones presents Data Science

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 3

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Dr. Taylor can only speak at 11:00-12:00 - Robotics and AI Ethics cannot be in the same time slot - Dr. Lee and Dr. Taylor must speak in consecutive time slots - IoT must be in Hall A Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Dr. Taylor at 11:00-12:00
- IoT in Hall A
2. Apply consecutive constraint: Dr. Lee and Dr. Taylor in consecutive slots
3. Apply conflict constraint: Robotics and AI Ethics not together

4. Final Schedule:
9:00-10:00:
- Hall A: IoT by Prof. Wilson
- Hall B: Machine Learning by Dr. Lee
- Hall C: Cybersecurity by Dr. Smith
10:00-11:00:
- Hall A: AI Ethics by Prof. Jones
- Hall B: Blockchain by Dr. Chen
- Hall C: (empty)
11:00-12:00:
- Hall A: Robotics by Dr. Taylor
- Hall B: (empty)
- Hall C: (empty)

Answer: Dr. Smith presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 4

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Jones can only speak at 10:00-11:00 - AI Ethics and Blockchain cannot be in the same time slot - Dr. Chen and Prof. Brown must speak in consecutive time slots - IoT must be in Hall C Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Jones at 10:00-11:00
- IoT in Hall C
2. Apply consecutive constraint: Dr. Chen and Prof. Brown in consecutive slots
3. Apply conflict constraint: AI Ethics and Blockchain not together

4. Final Schedule:
9:00-10:00:
- Hall A: Robotics by Prof. Brown
- Hall B: Machine Learning by Dr. Taylor
- Hall C: IoT by Dr. Chen
10:00-11:00:
- Hall A: AI Ethics by Prof. Wilson
- Hall B: Blockchain by Dr. Smith
- Hall C: Cybersecurity by Prof. Jones
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Jones presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 5

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Dr. Lee can only speak at 11:00-12:00 - Machine Learning and IoT cannot be in the same time slot - Prof. Wilson and Prof. Garcia must speak in consecutive time slots - Cybersecurity must be in Hall A Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Dr. Lee at 11:00-12:00
- Cybersecurity in Hall A
2. Apply consecutive constraint: Prof. Wilson and Prof. Garcia in consecutive slots
3. Apply conflict constraint: Machine Learning and IoT not together

4. Final Schedule:
9:00-10:00:
- Hall A: Cybersecurity by Prof. Garcia
- Hall B: IoT by Prof. Jones
- Hall C: Blockchain by Dr. Chen
10:00-11:00:
- Hall A: AI Ethics by Prof. Brown
- Hall B: Machine Learning by Prof. Wilson
- Hall C: (empty)
11:00-12:00:
- Hall A: Robotics by Dr. Lee
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Garcia presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 6

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Garcia can only speak at 9:00-10:00 - Machine Learning and Robotics cannot be in the same time slot - Dr. Lee and Prof. Garcia must speak in consecutive time slots - AI Ethics must be in Hall C Which speaker presents the Cloud Computing session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Garcia at 9:00-10:00
- AI Ethics in Hall C
2. Apply consecutive constraint: Dr. Lee and Prof. Garcia in consecutive slots
3. Apply conflict constraint: Machine Learning and Robotics not together

4. Final Schedule:
9:00-10:00:
- Hall A: Robotics by Dr. Taylor
- Hall B: IoT by Prof. Wilson
- Hall C: AI Ethics by Prof. Garcia
10:00-11:00:
- Hall A: Cybersecurity by Dr. Chen
- Hall B: Machine Learning by Dr. Lee
- Hall C: Cloud Computing by Prof. Jones
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Jones presents Cloud Computing

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 7

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Brown can only speak at 9:00-10:00 - Data Science and Blockchain cannot be in the same time slot - Prof. Jones and Dr. Smith must speak in consecutive time slots - Cybersecurity must be in Hall B Which speaker presents the Blockchain session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Brown at 9:00-10:00
- Cybersecurity in Hall B
2. Apply consecutive constraint: Prof. Jones and Dr. Smith in consecutive slots
3. Apply conflict constraint: Data Science and Blockchain not together

4. Final Schedule:
9:00-10:00:
- Hall A: IoT by Prof. Jones
- Hall B: Machine Learning by Prof. Brown
- Hall C: Robotics by Prof. Wilson
10:00-11:00:
- Hall A: Data Science by Prof. Garcia
- Hall B: Cybersecurity by Dr. Lee
- Hall C: Blockchain by Dr. Smith
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Dr. Smith presents Blockchain

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 8

A conference needs to schedule 5 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Jones can only speak at 9:00-10:00 - AI Ethics and Machine Learning cannot be in the same time slot - Prof. Wilson and Dr. Smith must speak in consecutive time slots - AI Ethics must be in Hall C Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Jones at 9:00-10:00
- AI Ethics in Hall C
2. Apply consecutive constraint: Prof. Wilson and Dr. Smith in consecutive slots
3. Apply conflict constraint: AI Ethics and Machine Learning not together

4. Final Schedule:
9:00-10:00:
- Hall A: Cybersecurity by Dr. Taylor
- Hall B: Machine Learning by Prof. Brown
- Hall C: Robotics by Prof. Jones
10:00-11:00:
- Hall A: Blockchain by Dr. Smith
- Hall B: (empty)
- Hall C: AI Ethics by Prof. Wilson
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Dr. Taylor presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 9

A conference needs to schedule 5 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Wilson can only speak at 9:00-10:00 - Blockchain and AI Ethics cannot be in the same time slot - Prof. Jones and Dr. Taylor must speak in consecutive time slots - Cloud Computing must be in Hall B Which speaker presents the Cloud Computing session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Wilson at 9:00-10:00
- Cloud Computing in Hall B
2. Apply consecutive constraint: Prof. Jones and Dr. Taylor in consecutive slots
3. Apply conflict constraint: Blockchain and AI Ethics not together

4. Final Schedule:
9:00-10:00:
- Hall A: Cybersecurity by Dr. Taylor
- Hall B: Blockchain by Prof. Wilson
- Hall C: AI Ethics by Dr. Smith
10:00-11:00:
- Hall A: Data Science by Dr. Lee
- Hall B: Cloud Computing by Prof. Jones
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Jones presents Cloud Computing

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 10

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Brown can only speak at 11:00-12:00 - Cloud Computing and Blockchain cannot be in the same time slot - Prof. Jones and Prof. Brown must speak in consecutive time slots - Robotics must be in Hall B Which speaker presents the Robotics session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Brown at 11:00-12:00
- Robotics in Hall B
2. Apply consecutive constraint: Prof. Jones and Prof. Brown in consecutive slots
3. Apply conflict constraint: Cloud Computing and Blockchain not together

4. Final Schedule:
9:00-10:00:
- Hall A: Cloud Computing by Prof. Jones
- Hall B: Robotics by Prof. Garcia
- Hall C: Blockchain by Dr. Taylor
10:00-11:00:
- Hall A: AI Ethics by Dr. Lee
- Hall B: IoT by Dr. Chen
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: Cybersecurity by Prof. Brown
- Hall C: (empty)

Answer: Prof. Garcia presents Robotics

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 11

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Dr. Lee can only speak at 11:00-12:00 - Robotics and Cybersecurity cannot be in the same time slot - Prof. Wilson and Dr. Chen must speak in consecutive time slots - Cybersecurity must be in Hall A Which speaker presents the Robotics session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Dr. Lee at 11:00-12:00
- Cybersecurity in Hall A
2. Apply consecutive constraint: Prof. Wilson and Dr. Chen in consecutive slots
3. Apply conflict constraint: Robotics and Cybersecurity not together

4. Final Schedule:
9:00-10:00:
- Hall A: Cybersecurity by Prof. Jones
- Hall B: AI Ethics by Dr. Smith
- Hall C: Machine Learning by Prof. Wilson
10:00-11:00:
- Hall A: Robotics by Prof. Brown
- Hall B: Cloud Computing by Dr. Chen
- Hall C: (empty)
11:00-12:00:
- Hall A: Blockchain by Dr. Lee
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Brown presents Robotics

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 12

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Dr. Taylor can only speak at 11:00-12:00 - AI Ethics and IoT cannot be in the same time slot - Prof. Jones and Prof. Wilson must speak in consecutive time slots - IoT must be in Hall C Which speaker presents the Blockchain session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Dr. Taylor at 11:00-12:00
- IoT in Hall C
2. Apply consecutive constraint: Prof. Jones and Prof. Wilson in consecutive slots
3. Apply conflict constraint: AI Ethics and IoT not together

4. Final Schedule:
9:00-10:00:
- Hall A: AI Ethics by Prof. Garcia
- Hall B: Blockchain by Dr. Smith
- Hall C: IoT by Prof. Wilson
10:00-11:00:
- Hall A: Machine Learning by Dr. Chen
- Hall B: Cybersecurity by Prof. Jones
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: Cloud Computing by Dr. Taylor

Answer: Dr. Smith presents Blockchain

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 13

A conference needs to schedule 5 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Brown can only speak at 9:00-10:00 - Data Science and Cybersecurity cannot be in the same time slot - Prof. Brown and Dr. Lee must speak in consecutive time slots - Data Science must be in Hall C Which speaker presents the Machine Learning session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Brown at 9:00-10:00
- Data Science in Hall C
2. Apply consecutive constraint: Prof. Brown and Dr. Lee in consecutive slots
3. Apply conflict constraint: Data Science and Cybersecurity not together

4. Final Schedule:
9:00-10:00:
- Hall A: Blockchain by Prof. Garcia
- Hall B: Cybersecurity by Dr. Lee
- Hall C: IoT by Prof. Brown
10:00-11:00:
- Hall A: Machine Learning by Dr. Smith
- Hall B: (empty)
- Hall C: Data Science by Prof. Wilson
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Dr. Smith presents Machine Learning

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 14

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Garcia can only speak at 10:00-11:00 - Cybersecurity and AI Ethics cannot be in the same time slot - Prof. Wilson and Dr. Chen must speak in consecutive time slots - Cloud Computing must be in Hall B Which speaker presents the Cloud Computing session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Garcia at 10:00-11:00
- Cloud Computing in Hall B
2. Apply consecutive constraint: Prof. Wilson and Dr. Chen in consecutive slots
3. Apply conflict constraint: Cybersecurity and AI Ethics not together

4. Final Schedule:
9:00-10:00:
- Hall A: Robotics by Dr. Chen
- Hall B: Cloud Computing by Prof. Wilson
- Hall C: Cybersecurity by Prof. Brown
10:00-11:00:
- Hall A: AI Ethics by Prof. Jones
- Hall B: Data Science by Prof. Garcia
- Hall C: IoT by Dr. Lee
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Wilson presents Cloud Computing

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 15

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Brown can only speak at 11:00-12:00 - Machine Learning and IoT cannot be in the same time slot - Prof. Brown and Dr. Smith must speak in consecutive time slots - Machine Learning must be in Hall C Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Brown at 11:00-12:00
- Machine Learning in Hall C
2. Apply consecutive constraint: Prof. Brown and Dr. Smith in consecutive slots
3. Apply conflict constraint: Machine Learning and IoT not together

4. Final Schedule:
9:00-10:00:
- Hall A: Cybersecurity by Dr. Smith
- Hall B: Data Science by Dr. Taylor
- Hall C: Machine Learning by Prof. Wilson
10:00-11:00:
- Hall A: Robotics by Prof. Jones
- Hall B: Cloud Computing by Dr. Chen
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: IoT by Prof. Brown

Answer: Dr. Smith presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 16

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Garcia can only speak at 11:00-12:00 - AI Ethics and Blockchain cannot be in the same time slot - Prof. Garcia and Dr. Chen must speak in consecutive time slots - Machine Learning must be in Hall B Which speaker presents the Machine Learning session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Garcia at 11:00-12:00
- Machine Learning in Hall B
2. Apply consecutive constraint: Prof. Garcia and Dr. Chen in consecutive slots
3. Apply conflict constraint: AI Ethics and Blockchain not together

4. Final Schedule:
9:00-10:00:
- Hall A: Blockchain by Dr. Taylor
- Hall B: Machine Learning by Prof. Brown
- Hall C: AI Ethics by Prof. Jones
10:00-11:00:
- Hall A: Cloud Computing by Dr. Chen
- Hall B: Robotics by Dr. Lee
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: Data Science by Prof. Garcia
- Hall C: (empty)

Answer: Prof. Brown presents Machine Learning

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 17

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Jones can only speak at 11:00-12:00 - Machine Learning and IoT cannot be in the same time slot - Prof. Brown and Prof. Garcia must speak in consecutive time slots - Data Science must be in Hall B Which speaker presents the Data Science session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Jones at 11:00-12:00
- Data Science in Hall B
2. Apply consecutive constraint: Prof. Brown and Prof. Garcia in consecutive slots
3. Apply conflict constraint: Machine Learning and IoT not together

4. Final Schedule:
9:00-10:00:
- Hall A: Machine Learning by Dr. Taylor
- Hall B: Data Science by Dr. Chen
- Hall C: Robotics by Dr. Smith
10:00-11:00:
- Hall A: Cloud Computing by Prof. Garcia
- Hall B: IoT by Prof. Brown
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: Cybersecurity by Prof. Jones
- Hall C: (empty)

Answer: Dr. Chen presents Data Science

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 18

A conference needs to schedule 5 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Wilson can only speak at 9:00-10:00 - Blockchain and Cloud Computing cannot be in the same time slot - Prof. Brown and Prof. Garcia must speak in consecutive time slots - Cloud Computing must be in Hall C Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Wilson at 9:00-10:00
- Cloud Computing in Hall C
2. Apply consecutive constraint: Prof. Brown and Prof. Garcia in consecutive slots
3. Apply conflict constraint: Blockchain and Cloud Computing not together

4. Final Schedule:
9:00-10:00:
- Hall A: Blockchain by Prof. Garcia
- Hall B: IoT by Prof. Brown
- Hall C: Cybersecurity by Prof. Wilson
10:00-11:00:
- Hall A: Robotics by Dr. Lee
- Hall B: (empty)
- Hall C: Cloud Computing by Dr. Smith
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Prof. Wilson presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 19

A conference needs to schedule 5 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Garcia can only speak at 11:00-12:00 - Blockchain and Cybersecurity cannot be in the same time slot - Dr. Lee and Prof. Brown must speak in consecutive time slots - Blockchain must be in Hall C Which speaker presents the Blockchain session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Garcia at 11:00-12:00
- Blockchain in Hall C
2. Apply consecutive constraint: Dr. Lee and Prof. Brown in consecutive slots
3. Apply conflict constraint: Blockchain and Cybersecurity not together

4. Final Schedule:
9:00-10:00:
- Hall A: Machine Learning by Dr. Lee
- Hall B: Cybersecurity by Dr. Taylor
- Hall C: Blockchain by Dr. Smith
10:00-11:00:
- Hall A: AI Ethics by Prof. Brown
- Hall B: (empty)
- Hall C: (empty)
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: Data Science by Prof. Garcia

Answer: Dr. Smith presents Blockchain

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.

Question 20

A conference needs to schedule 6 sessions across 3 time slots and 3 rooms. Each room can hold one session per slot. The constraints are: - Prof. Brown can only speak at 10:00-11:00 - Cybersecurity and Machine Learning cannot be in the same time slot - Prof. Garcia and Dr. Taylor must speak in consecutive time slots - Data Science must be in Hall C Which speaker presents the Cybersecurity session?
Step-by-step solution:

Scheduling Grid Analysis:
1. Fix direct constraints:
- Prof. Brown at 10:00-11:00
- Data Science in Hall C
2. Apply consecutive constraint: Prof. Garcia and Dr. Taylor in consecutive slots
3. Apply conflict constraint: Cybersecurity and Machine Learning not together

4. Final Schedule:
9:00-10:00:
- Hall A: Robotics by Prof. Garcia
- Hall B: Cybersecurity by Dr. Lee
- Hall C: Data Science by Dr. Taylor
10:00-11:00:
- Hall A: IoT by Dr. Smith
- Hall B: AI Ethics by Prof. Jones
- Hall C: Machine Learning by Prof. Brown
11:00-12:00:
- Hall A: (empty)
- Hall B: (empty)
- Hall C: (empty)

Answer: Dr. Lee presents Cybersecurity

Key Strategy: Use a grid to solve the assignment problem and satisfy all constraints sequentially.
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