Topic: Matrix-manipulation-question / Level: Intermediate

• 231. Search for a specific element in a matrix and return its coordinates.
• 232. Find the row with the maximum sum and return the sum.
• 233. Find the column with the minimum sum and return the sum.
• 234. Count the number of occurrences of a specific element in a matrix.
• 235. Find the indices of all occurrences of a specific element in a matrix.
• 236. Check if a matrix contains duplicate rows.
• 237. Check if a matrix contains duplicate columns.
• 238. Find the largest and smallest elements in a matrix.
• 239. Check if a matrix is symmetric about the main diagonal.
• 240. Check if a matrix is orthogonal.
• 241. Rotate a matrix 90 degrees clockwise in place.
• 242. Rotate a matrix 90 degrees counter-clockwise in place.
• 243. Reflect a matrix horizontally and vertically.
• 244. Flatten a matrix into a one-dimensional array and return it.
• 245. Reshape a matrix into a new dimension (with dimension compatibility checks).
• 246. Remove all rows from a matrix that contain all zeros.
• 247. Remove all columns from a matrix that contain all zeros.
• 248. Swap two rows in a matrix and return the modified matrix.
• 249. Swap two columns in a matrix and return the modified matrix.
• 250. Reverse the elements of each row in a matrix.
• 251. Fill a matrix in a spiral order using a specific integer.
• 252. Fill a matrix in a zigzag pattern with integers from 1 to n^2.
• 253. Fill a matrix with the multiplication table of integers up to n.
• 254. Fill a square matrix with concentric rings of increasing integers.
• 255. Create a matrix that represents a chessboard pattern.
• 256. Fill a matrix with a random distribution of integers.
• 257. Create a matrix that represents Pascal's Triangle.
• 258. Fill a matrix with random integers, ensuring no duplicates.
• 259. Create a triangular matrix filled with numbers in ascending order.
• 260. Fill a matrix with random integers and sort each row in ascending order.

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