Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Use C language please and Thankyou.

[画像:### Educational Content on Arrays: Function for Column Maximums **Task Description:** Write a function `column_maxes` described as follows: - **Parameters:** 1. An N by N 2D array of integers (where N is given in the second parameter). 2. An integer value for N that specifies the size of the array. - **Functionality:** - Dynamically allocate a 1D array with N integers. - Populate this 1D array with the maximum values from the corresponding columns of the 2D array: - Entry 0 in the 1D array will store the maximum of column 0 from the 2D array. - Entry 1 in the 1D array will store the maximum of column 1 from the 2D array. - And so on... - Return the 1D array. **Notes:** - You may write helper functions if you like. **Example:** Below is a 4x4 matrix of integers followed by the corresponding contents of the array you would allocate and populate: ``` Matrix: 12 102 9 -12 8 -99 44 -3 16 12 12 0 13 18 -3 -8 ``` **Array of Column Maximums:** ``` [16, 102, 44, 0] ``` This representation highlights how the function takes a matrix input and outputs an array containing the maximum value from each column.]
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Transcribed Image Text:### Educational Content on Arrays: Function for Column Maximums **Task Description:** Write a function `column_maxes` described as follows: - **Parameters:** 1. An N by N 2D array of integers (where N is given in the second parameter). 2. An integer value for N that specifies the size of the array. - **Functionality:** - Dynamically allocate a 1D array with N integers. - Populate this 1D array with the maximum values from the corresponding columns of the 2D array: - Entry 0 in the 1D array will store the maximum of column 0 from the 2D array. - Entry 1 in the 1D array will store the maximum of column 1 from the 2D array. - And so on... - Return the 1D array. **Notes:** - You may write helper functions if you like. **Example:** Below is a 4x4 matrix of integers followed by the corresponding contents of the array you would allocate and populate: ``` Matrix: 12 102 9 -12 8 -99 44 -3 16 12 12 0 13 18 -3 -8 ``` **Array of Column Maximums:** ``` [16, 102, 44, 0] ``` This representation highlights how the function takes a matrix input and outputs an array containing the maximum value from each column.
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