10 Questions
What is the correct way to initialize a 2D array in C++ to store roll number and marks obtained by 4 students side by side?
int arr[4][2];
In a 2D array, what does 'r' represent?
Number of rows in the matrix
What does the following C++ code initialize? int arr = { { 1234, 56 }, { 1256, 43 }, { 1434, 32 }, { 1312, 96 } };
It is an invalid initialization for an array
What is the correct syntax to access an element at the third row and second column in a C++ 2D array 'arr'?
arr[2][1]
What does 'c' represent in the declaration 'datatype array_name[r][c];' for a 2D array?
Number of columns in the matrix
What is the correct way to initialize a 2D array in C++ to store roll number and marks obtained by 4 students side by side?
int arr[4][2] = {{101, 85}, {102, 90}, {103, 78}, {104, 92}};
In a C++ 2D array declaration 'datatype array_name[r][c];', what does 'r' represent?
Number of rows in the matrix
What does the following C++ code initialize?
A 2D array with elements {{1234,56},{1256,43},{1434,32},{1312,96}}
In C++, what is the correct syntax to access an element at the third row and second column in a 2D array 'arr'?
arr[2][1]
What does 'c' represent in the declaration 'datatype array_name[r][c];' for a C++ 2D array?
Number of columns in the matrix
This quiz explores the concept of two-dimensional arrays, also called matrices, which have rows and columns. It covers the basic syntax and usage of 2D arrays in programming.
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