| Title | Action | ||||
|---|---|---|---|---|---|
| 1 | Size of intWhat is the typical size of an `int` on a 64-bit system in C?... | easy | ○ Not Started | Variables | Solve |
| 2 | printf Format SpecifierWhich format specifier is used to print a `float` value in C?... | easy | ○ Not Started | Printing | Solve |
| 5 | String TerminatorWhat character terminates a string in C?... | easy | ○ Not Started | Strings | Solve |
| 6 | Float Format SpecifierWhich `printf` format specifier prints a `double` or `float` value?... | easy | ○ Not Started | Printing | Solve |
| 7 | Size of charWhat is the size of a `char` in C, as guaranteed by the standard?... | easy | ○ Not Started | Variables | Solve |
| 8 | Access the First Array ElementGiven `int arr[5];`, how do you access the FIRST element?... | easy | ○ Not Started | Arrays | Solve |
| 9 | Start a Block CommentWhich syntax begins a multi-line (block) comment in C?... | easy | ○ Not Started | Variables | Solve |
| 10 | Logical AND OperatorWhich operator represents logical AND in C?... | easy | ○ Not Started | Conditionals | Solve |
| 11 | Addition OutputWhat does this program print?... | easy | ○ Not Started | Printing | Solve |
| 12 | Modulo ResultWhat does this program print?... | easy | ○ Not Started | Variables | Solve |
| 13 | Integer DivisionWhat does this program print?... | easy | ○ Not Started | Variables | Solve |
| 14 | Header for printfWhich header must you `#include` to use `printf`?... | easy | ○ Not Started | Printing | Solve |
| 15 | Which Value Is FalseIn a C condition (like an `if`), which integer value is treated as false?... | easy | ○ Not Started | Conditionals | Solve |
| 16 | What sizeof ReturnsWhat does the `sizeof` operator return?... | easy | ○ Not Started | Variables | Solve |
| 17 | Loop Iteration CountHow many times does the body of `for (int i = 0; i < 0; i++)` execute?... | easy | ○ Not Started | Loops | Solve |
| 18 | Character LiteralHow is the character literal for the letter A written in C?... | easy | ○ Not Started | Strings | Solve |
| 26 | Constant Declaration KeywordWhich keyword makes a variable's value unchangeable after initialization in C?... | easy | ○ Not Started | Variables | Solve |
| 27 | Character Format SpecifierWhich `printf` format specifier prints a single `char`?... | easy | ○ Not Started | Printing | Solve |
| 28 | Bitwise AND OperatorWhat does the single `&` operator do when placed between two integers, as in `a ... | easy | ○ Not Started | Operators | Solve |
| 29 | Loop That Always Runs OnceWhich loop in C is guaranteed to execute its body at least once because it check... | easy | ○ Not Started | Loops | Solve |
| 30 | Declaring a Fixed-Size ArrayWhich statement correctly declares an array of 5 integers in C?... | easy | ○ Not Started | Arrays | Solve |
| 31 | Header for String FunctionsWhich header must you include to use `strlen`, `strcpy`, and `strcmp`?... | easy | ○ Not Started | Strings | Solve |
| 32 | Value of a True ComparisonWhat value does the expression `5 > 3` produce in C?... | easy | ○ Not Started | Conditionals | Solve |
| 33 | Address-of OperatorWhich operator returns the memory address of a variable `x`?... | easy | ○ Not Started | Pointers | Solve |
| 34 | Meaning of void Return TypeWhat does declaring a function with the return type `void` mean?... | easy | ○ Not Started | Functions | Solve |
| 35 | Keyword to Define a StructureWhich keyword defines a structure type in C?... | easy | ○ Not Started | Structs | Solve |
| 36 | Minimum of an unsigned intWhat is the smallest value that can be stored in an `unsigned int`?... | easy | ○ Not Started | Variables | Solve |
| 37 | Escape Sequence for a New LineWhich escape sequence moves output to a new line?... | easy | ○ Not Started | Printing | Solve |
| 38 | Equality vs AssignmentWhich operator tests whether two values are equal in C?... | easy | ○ Not Started | Operators | Solve |
| 3 | Pointer OutputWhat is the output of this code?... | medium | ○ Not Started | Variables | Solve |
| 4 | Array and SizeofWhat is the output of this code? (Assume int is 4 bytes)... | medium | ○ Not Started | Arrays | Solve |
| 19 | Post-Increment OutputWhat does this program print?... | medium | ○ Not Started | Variables | Solve |
| 20 | Pointer Dereference OutputWhat does this program print?... | medium | ○ Not Started | Pointers | Solve |
| 21 | Array Element OutputWhat does this program print?... | medium | ○ Not Started | Arrays | Solve |
| 22 | String Length OutputWhat does this program print?... | medium | ○ Not Started | Strings | Solve |
| 23 | Operator PrecedenceWhat does this program print?... | medium | ○ Not Started | Variables | Solve |
| 24 | Ternary Operator OutputWhat does this program print?... | medium | ○ Not Started | Conditionals | Solve |
| 39 | While Loop Final ValueWhat does this code print?... | medium | ○ Not Started | Loops | Solve |
| 40 | Summing Array ElementsWhat does this code print?... | medium | ○ Not Started | Arrays | Solve |
| 41 | Modifying a Value Through a PointerWhat does this code print?... | medium | ○ Not Started | Pointers | Solve |
| 42 | Indexing Into a StringWhat does this code print?... | medium | ○ Not Started | Strings | Solve |
| 43 | Calling a Function in an ExpressionWhat does this code print?... | medium | ○ Not Started | Functions | Solve |
| 44 | Compound Assignment ResultWhat does this code print?... | medium | ○ Not Started | Operators | Solve |
| 45 | Switch Statement Fall-ThroughWhat does this code print?... | medium | ○ Not Started | Conditionals | Solve |
| 46 | Accessing Struct MembersWhat does this code print?... | medium | ○ Not Started | Structs | Solve |
| 47 | Character ArithmeticWhat does this code print?... | medium | ○ Not Started | Variables | Solve |
| 48 | Zero-Padded WidthWhat does this code print?... | medium | ○ Not Started | Printing | Solve |
| 25 | Pointer Arithmetic OutputWhat does this program print?... | hard | ○ Not Started | Pointers | Solve |
| 49 | Dereferencing a Pointer to a PointerWhat does this code print?... | hard | ○ Not Started | Pointers | Solve |
| 50 | Short-Circuit Side EffectWhat does this code print?... | hard | ○ Not Started | Operators | Solve |