Use `printf()` from `stdio.h`
Include the header: `#include `
Print text: `printf("Hello, World!n");`
Print an integer: `printf("%dn", x);`
Print a float: `printf("%fn", y);`
Print a character: `printf("%cn", ch);`
Print a...
Install a C compiler
Choose a text editor or IDE
Create a file with a .c extension
Include required header files
Define the main function
Write program statements inside...
Use a character array terminated by the null character `''`
Example: `char str = "Hello";`
Example: `char str = {'H', 'e', 'l', 'l', 'o', ''};`
Use a...
Use `scanf()` for formatted input
Use `getchar()` to read a single character
Use `fgets()` to read a string or line
Use `gets()` is unsafe and should be...
Use `scanf()` for formatted input
Use `getchar()` to read a single character
Use `fgets()` to read a line of text
Use `gets()` only if required by legacy...
Install a C compiler and code editor
Learn basic syntax and program structure
Understand variables, data types, and operators
Practice input and output
Study control statements like if,...
Set up a C compiler and code editor
Learn basic syntax, variables, data types, and operators
Practice input and output using `printf` and `scanf`
Study control flow...
Include the required header:
`#include `
Sort an array in ascending order:
`std::sort(arr, arr + n);`
Sort an array in descending order:
`std::sort(arr, arr + n, std::greater());`
Sort a `std::vector`...
Use `scanf("%s", str);`
Use `fgets(str, sizeof(str), stdin);`
Declare the string as `char str;`
For a single word input, use `scanf("%99s", str);`
For full-line input with spaces, use `fgets(str,...
Use `#include ` for assembly-related headers when available
Use `extern` to declare assembly symbols in C
Match C and assembly symbol names exactly
Use `asm("symbol_name")` to alias...
Save the file with a `.c` extension
Open the terminal
Navigate to the folder containing the file
Compile the file with `gcc filename.c -o outputname`
Run the compiled...
Use `scanf()` for formatted input
Use `getchar()` for reading a single character
Use `fgets()` for reading a line of text
Use `gets()` is unsafe and should not...
Install a C compiler
Choose a code editor or IDE
Learn basic syntax
Understand variables and data types
Learn operators
Use input and output functions
Write conditional statements
Use loops
Learn functions
Work...