You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise) in-place. You have to rotate the image in-place, which means you have to modify the input 2D matrix ...

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1. Understand the pattern and create a formula according to it. 2. Create a new 2D temp array and store elements into new array as per formula. 3. Finally set given matrix as temp matrix. 1. Hence j ...

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In the vanilla version of Minecraft Java Edition, players can see their coordinates by pressing 'F3' on their keyboards and opening the debug screen. It shows a lot of other information about the game ...

Changing gamemodes in Minecraft might be considered cheating in some cases, but it can allow players to do a variety of things mid-game. For example: switching into creative mode can allow players to ...