DAY 4 - Arrays & String Assessment _14 June 24

How do you declare a one-dimensional array of integers with 10 elements in C?

• int array[10];

• int array(10);

• int array{10};

• int array;

is the index of the last element in a one-dimensional array with 5 elements?

• 4
  
  

• 5

• 0

• 1

How do you access the element at the second row and third column of a two-dimensional array arr?

• arr[2][3]
  
  

• arr[1][2]
  
  

• arr[3][2]
  
  

• arr[2, 3]

What will be the output of the following C code snippet?

• 1

• 2

• 3

• Compilation error

What is the correct syntax to initialize a two-dimensional array in C?

• int arr[2][3] = {{1, 2, 3}, {4, 5, 6}};

• int arr[2, 3] = {1, 2, 3, 4, 5, 6};

• int arr{2, 3} = {1, 2, 3, 4, 5, 6};

• int arr[2][3] = {1, 2, 3, 4, 5, 6};

How do you declare a string in C?

• char str[10];

• string str;
  
  

• char str;

• str[10] = char;

What is the correct way to initialize a string with the value "Hello"?

• char str[] = "Hello";
  
  

• char str[] = {'H', 'e', 'l', 'l', 'o'};

• char str[5] = "Hello";

• char str[5] = {'H', 'e', 'l', 'l', 'o'};

Which library function is used to find the length of a string in C?

• strlen()

• strcpy()

• strcat()

• strcmp()

What will be the output of the following C code snippet?

• ello

• Hello
  
  

• H

• Compilation error

What is the output of the following C code snippet?

• W

• l

• o

• r