Debug It: Test Your Low-Level Programming Skills!
Think you have what it takes to tackle the most common low-level bugs in programming? Put your skills to the test with our challenging quiz and see if you can debug these tricky scenarios.
Question 1 of 12Debug It: Test Your Low-Level Programming Skills!
Idyllic quiz Debug It: Test Your Low-Level Programming Skills! All 12 questions
- What kind of error does the following code produce? print('hello'Missing parentheses · Arithmetic Error · Logic Error · Syntax Error: Unclosed string literal
- Given this code, what kind of bug is present? int arr[5]; arr[5] = 1;Accessing memory outside the bounds of the array · Division by zero error · Memory leak · Using uninitialized memory
- Why might the following code fail at runtime? int a = 5 / 0;Buffer Overflow · Syntax Error · Null Pointer Dereference · Arithmetic Error: Division by Zero
- Identify the bug in this code (common in C): if(file = fopen('text.txt', 'r'))Off-by-one error · Assignment instead of Comparison · Incorrect conditional syntax · Using bitwise instead of logical operator
- What could cause the following code to use excessive resources? while(true) {}Memory Leak · Uninitialized Variable · Infinite Loop · Double Freeing Memory
- Why might the following code cause an issue? char* ptr = (char*)malloc(10);Using Uninitialized Memory · Off-by-One Error · Not Checking for NULL Return Value · Double Freeing Memory
- Given this function, what is the potential issue? void func(char* s) {s[10] = 'a';}Writing past the allocated memory boundaries · Double Freeing Memory · Memory Leak · Off-by-One Error
- What's the issue with the following C code? int* ptr; printf('%d', *ptr);Accessing Freed Memory · Dereferencing an Invalid Memory Address · Incorrect Format String · Uninitialized Variable
- Identify the bug in this code: int* p = NULL; *p = 10;Accessing Freed Memory · Dereferencing Null Pointer · Buffer Overflow · Integer Overflow
- Why would the following program crash? char str[5] = 'hello';Buffer Overflow · Array Initialization Error · Incorrect Array Declaration · Memory Leak
- What type of error is introduced here? int* p; for(int i = 0; i < 10; i++) p[i] = i;Buffer Overflow · Accessing Invalid Memory · Using Uninitialized Pointer · Double Freeing Memory
- What's the potential issue with this code? FILE* f = fopen('data.txt', 'r');File Descriptor Leak · Improper File Mode Specification · Not Checking File Exists · File Not Checked for NULL