Choose the correct way to declare 2D array.a.int x[3][4] = {0, 1 ,2 ,3 ,4 , 5 , 6 , 7 , 8 , 9 , 10 , 11};b.int x[3] = {0, 1 ,2 ,3 ,4 , 5 , 6 , 7 , 8 , 9 , 10 , 11}c.int x[4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}};d.None of the above
Question
Choose the correct way to declare 2D array.a.int x[3][4] = {0, 1 ,2 ,3 ,4 , 5 , 6 , 7 , 8 , 9 , 10 , 11};b.int x[3] = {0, 1 ,2 ,3 ,4 , 5 , 6 , 7 , 8 , 9 , 10 , 11}c.int x[4] = {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}};d.None of the above
Solution
The correct way to declare a 2D array is option a. int x[3][4] = {0, 1 ,2 ,3 ,4 , 5 , 6 , 7 , 8 , 9 , 10 , 11};
This is because a 2D array is essentially an array of arrays. In this case, we have 3 arrays (the first dimension), each with 4 elements (the second dimension). The elements are initialized in row-major order, meaning the first 4 elements go to the first array, the next 4 go to the second array, and the last 4 go to the third array.
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