Program to shift array elements on left side by one position - Array - C Programming

TL;DR

Learn how to shift elements of an array towards the left (clockwise direction) using a simple algorithm.

Transcript

hello friends let us now deal with the other side of the rotation so now this side we are going to have left hand side and this left hand side indicates that there is a clockwise movement with respect to cyclic values suppose if i say that i have an input array in this fashion say 12 9 4 and 8. the output array has to be shifting towards left hand ... Read More

Key Insights

• 🗨️ Shifting elements towards the left in a clockwise direction involves copying the first element to a temporary variable.
• 🗨️ The remaining elements are then shifted one position to the left.
• 🧘 The last step involves fixing the temporary variable at the last position.
• 🎭 The algorithm can be embedded in a for loop to perform multiple shifts.
• 🎮 The number of shifts can be controlled by the loop conditions.
• 💦 The algorithm works effectively for shifting elements in a clockwise direction.
• 👨‍💻 The code provided demonstrates the step-by-step process of shifting elements.

Questions & Answers

Q: How can we shift elements of an array towards the left in a clockwise direction?

To shift elements of an array left in a clockwise direction, we need to copy the first element to a temporary variable, shift the remaining elements by one position, and finally fix the temporary variable at the last position.

Q: What happens when we shift elements of an array multiple times?

If we want to shift elements multiple times, we can embed the shifting process in a for loop that executes the desired number of shifts.

Q: Can we shift elements of an array towards the left in a counter-clockwise direction?

No, the provided algorithm specifically shifts elements in a clockwise direction. To shift elements in a counter-clockwise direction, a different approach or algorithm is required.

Q: Are there any limitations to the algorithm of shifting elements in a clockwise direction?

The algorithm works correctly for shifting elements to the left in a clockwise direction. However, it is crucial to ensure that the element being replaced by the first shifted element falls within the range of valid array indices.

Summary & Key Takeaways

• The video demonstrates how to shift elements of an array towards the left in a clockwise direction.

• It explains the process using a step-by-step algorithm involving copying elements, shifting, and fixing them in the array.

• It provides a code example and encourages embedding the process in a for loop for multiple shifts.