diff --git a/cheatsheet/cpp_reference.typ b/cheatsheet/cpp_reference.typ
deleted file mode 100644
index df43df9..0000000
--- a/cheatsheet/cpp_reference.typ
+++ /dev/null
@@ -1,185 +0,0 @@
-// C Standard Library Cheatsheet Template
-// A clean, two-column layout for quick reference during coding interviews.
-// Created with Typst.
-
-// ================= DOCUMENT SETUP =================
-#set document(title: "C Standard Library Reference", author: "David Gao")
-
-#let base-text-size = 9pt
-
-#set text(font: "Arial", size: base-text-size)
-#show raw: set text(size: base-text-size)
-
-#set page(paper: "a4", margin: (top: 0.75in, bottom: 0.75in, left: 0.5in, right: 0.5in))
-
-// Define colors for styling to make sections stand out.
-#let primary_color = navy
-#let secondary_color = luma(230)
-
-// ================= CUSTOM SHOW RULE (The Cheatsheet Engine) =================
-#let entry(signature, description, code_lang: "cpp") = {
-  grid.cell[
-    #rect(width: 100%, inset: (x: 4pt, y: 3pt), fill: luma(240), radius: 2pt, [#raw(signature, lang: code_lang)])
-  ]
-  grid.cell[
-    #description
-  ]
-}
-
-// This function formats a larger code snippet for algorithms/data structures.
-#let code_snippet(title, code) = {
-  pad(bottom: 4pt, text(weight: "bold", title))
-  rect(
-    width: 100%,
-    inset: 8pt,
-    fill: luma(240),
-    radius: 3pt,
-    code
-  )
-  v(1em)
-}
-
-// ================= HEADER FUNCTION =================
-#let section_header(title) = {
-  block(width: 100%, fill: primary_color, inset: 6pt, radius: 3pt, text(white, weight: "bold", title))
-  v(8pt)
-}
-
-// ================= CHEATSHEET CONTENT =================
-
-// Main Title
-#align(center)[
-  #text(size: 20pt, weight: "bold", "C Standard Library Reference")
-  #line(length: 100%, stroke: 1pt)
-  #v(1em)
-]
-
-#section_header("stdio.h — Standard Input/Output")
-
-#grid(
-  columns: (auto, 1fr),
-  column-gutter: 8pt,
-  row-gutter: 6pt,
-)[
-  #entry(
-    "int printf(const char* format, ...);",
-    [Prints formatted output to `stdout`. Common specifiers: `%d` (int), `%f` (float/double), `%c` (char), `%s` (string), `%p` (pointer).],
-  )
-  #entry(
-    "int sprintf(char* str, const char* format, ...);", 
-    [Prints formatted output to a string `str`.]
-  )
-  #entry(
-    "int scanf(const char* format, ...);", 
-    [Reads formatted input from `stdin`.]
-  )
-  #entry(
-    "int getchar(void);",
-    [Reads the next character from `stdin`.]
-  )
-  #entry(
-    "int putchar(int ch);",
-    [Writes a character `ch` to `stdout`.]
-  )
-]
-
-#v(1.5em) // Vertical space between sections
-
-// --- stdlib.h Section ---
-#section_header("stdlib.h — Memory, Conversions, Utilities")
-
-#grid(
-  columns: (auto, 1fr),
-  column-gutter: 8pt,
-  row-gutter: 6pt,
-)[
-  #entry(
-    "void* malloc(size_t size);",
-    "Allocates `size` bytes of uninitialized memory. Returns a void pointer to the allocated space.",
-  )
-  #entry(
-    "void* calloc(size_t nmemb, size_t size);",
-    "Allocates memory for an array of `nmemb` elements of `size` bytes each and initializes all bits to zero.",
-  )
-  #entry(
-    "void* realloc(void* ptr, size_t size);",
-    "Resizes the memory block pointed to by `ptr` to `size` bytes. The content will be unchanged up to the minimum of the old and new sizes.",
-  )
-  #entry(
-    "void free(void* ptr);",
-    "Deallocates a block of memory previously allocated by `malloc`, `calloc`, or `realloc`.",
-  )
-  #entry("int atoi(const char* str);", "Converts the initial portion of the string `str` to an `int`.")
-  #entry(
-    "long int strtol(const char* str, char** endptr, int base);",
-    "Converts string `str` to a `long int`. `endptr` can be used to see where conversion stopped. `base` is the number base (e.g., 10).",
-  )
-  #entry(
-    "void qsort(void* base, size_t nmemb, size_t size, int (*compar)(const void*, const void*));",
-    "Sorts an array. `compar` is a pointer to a function that compares two elements.",
-  )
-  #entry("int rand(void);", "Returns a pseudo-random integer between 0 and `RAND_MAX`.")
-  #entry("void srand(unsigned int seed);", "Seeds the pseudo-random number generator used by `rand()`.")
-  #entry("void exit(int status);", "Causes normal program termination. `EXIT_SUCCESS` or `EXIT_FAILURE`.")
-]
-
-#v(1.5em)
-
-// --- string.h Section ---
-#section_header("string.h — String Manipulation")
-
-#grid(
-  columns: (auto, 1fr),
-  column-gutter: 8pt,
-  row-gutter: 6pt,
-)[
-  #entry(
-    "size_t strlen(const char* s);",
-    "Calculates the length of string `s`, excluding the terminating null byte (`'\\0'`).",
-  )
-  #entry(
-    "char* strcpy(char* dest, const char* src);",
-    "Copies the string `src` to `dest`. *Unsafe*, does not check buffer size.",
-  )
-  #entry(
-    "char* strncpy(char* dest, const char* src, size_t n);",
-    "Copies up to `n` characters from `src` to `dest`. May not be null-terminated if `src` is too long.",
-  )
-  #entry(
-    "int strcmp(const char* s1, const char* s2);",
-    "Compares two strings. Returns < 0 if s1 < s2, 0 if s1 == s2, > 0 if s1 > s2.",
-  )
-  #entry(
-    "char* strchr(const char* s, int c);",
-    "Returns a pointer to the first occurrence of character `c` in string `s`, or `NULL` if not found.",
-  )
-  #entry(
-    "char* strstr(const char* haystack, const char* needle);",
-    "Finds the first occurrence of the substring `needle` in the string `haystack`.",
-  )
-  #entry(
-    "void* memset(void* s, int c, size_t n);",
-    "Fills the first `n` bytes of the memory area pointed to by `s` with the constant byte `c`.",
-  )
-  #entry(
-    "void* memcpy(void* dest, const void* src, size_t n);",
-    "Copies `n` bytes from memory area `src` to memory area `dest`.",
-  )
-]
-
-#section_header("Common Algorithms & Data Structures")
-
-#code_snippet(
-  "Binary Search (Iterative)",
-  ```cpp
-int binary_search(int arr[], int l, int r, int x) {
-  while (l <= r) {
-    int m = l + (r - l) / 2;
-    if (arr[m] == x) return m; // Check if x is present at mid
-    if (arr[m] < x) l = m + 1; // If x greater, ignore left half
-    else r = m - 1; // If x is smaller, ignore right half
-  }
-  return -1; // if we reach here, then element was not present
-}
-  ```
-)
diff --git a/leetcodecheatsheet/.gitignore b/leetcodecheatsheet/.gitignore
new file mode 100644
index 0000000..f08278d
--- /dev/null
+++ b/leetcodecheatsheet/.gitignore
@@ -0,0 +1 @@
+*.pdf
\ No newline at end of file