Coding Contest Quiz

What does the following C code print? printf("%d", sizeof(int));

• 2
• 4
• 8
• Compiler Error

What is the output of the following python code?

num_list = [1, 2, 3, 4, 5]

print(num_list[1:-1])

• [2, 3, 4]
• [2, 3, 4, 5]
• [1, 2, 3, 4]
• [1, 2, 3, 4, 5]

What will be the output of the following code? int x = 5; printf("%d", x++);

• 5
• 6
• 4
• Error

Which data structure uses LIFO (Last In, First Out) order?

• Queue
• Stack
• Linked List
• Tree

What is the output of the following code?
char str[] = "Hello, World!";
printf("%s", str);

• Hello, World!

• H

• Compiler Error

• Undefined Behavior

What is the purpose of the malloc() function in C?

• To allocate memory dynamically
• To deallocate memory
• To calculate the size of memory
• To declare a pointer variable

Which sorting algorithm has the best average-case time complexity?

• Bubble Sort
• Selection Sort
• Merge Sort
• Insertion Sort

What is the output of the following code? int x = 10; printf("%d", x << 1);

• 5
• 20
• 2
• 40

In C programming, what does the '->' operator do?

• Accesses elements of an array
• Accesses members of a structure through a pointer
• Performs logical AND operation
• None of the above

What will be the output of the following code? int i = 0; while (i < 5) { printf("%d ", i); i++; }

• 0 1 2 3 4
• 1 2 3 4 5
• 0 1 2 3
• 1 2 3 4