From 49c4599639c9015ea879cc9d8ccf819e09df271d Mon Sep 17 00:00:00 2001 From: Fudgerboy <91767657+Fudgerboy@users.noreply.github.com> Date: Sun, 18 Feb 2024 00:02:53 +0000 Subject: Sat, Feb 17, 2024, 4:02 PM -08:00 --- wk3/lect/bubble.c | 20 ++++++++++++++++++++ wk3/lect/iteration.c | 21 +++++++++++++++++++++ wk3/lect/notes.txt | 12 ++++++++++++ wk3/lect/selection.c | 35 +++++++++++++++++++++++++++++++++++ 4 files changed, 88 insertions(+) create mode 100644 wk3/lect/bubble.c create mode 100644 wk3/lect/iteration.c create mode 100644 wk3/lect/notes.txt create mode 100644 wk3/lect/selection.c (limited to 'wk3/lect') diff --git a/wk3/lect/bubble.c b/wk3/lect/bubble.c new file mode 100644 index 0000000..3d95665 --- /dev/null +++ b/wk3/lect/bubble.c @@ -0,0 +1,20 @@ +#include +#include +#include +#include +#include + +int main(void) { + +} + + +/* + look at each pair of numbers i & i +1 + if they're out of order swap them + repeat until completely sorted + + worst sorting method + O(n^2) + Q(n) +*/ diff --git a/wk3/lect/iteration.c b/wk3/lect/iteration.c new file mode 100644 index 0000000..32a8a9d --- /dev/null +++ b/wk3/lect/iteration.c @@ -0,0 +1,21 @@ +#include +#include +#include +#include +#include + +void draw(int n); + +int main(void) { + int height = get_int("Height: "); + draw(height); +} + +void draw(int n) { + for (int i = 0; i < n; i++) { + for (int j = 0; j < i + 1; j++) { + printf("#"); + } + printf("\n"); + } +} diff --git a/wk3/lect/notes.txt b/wk3/lect/notes.txt new file mode 100644 index 0000000..9336a56 --- /dev/null +++ b/wk3/lect/notes.txt @@ -0,0 +1,12 @@ + +Order + O(n^2): Selection, Bubble + O(n): + O(logn): + O(c): + +Omega + Q(n^2): Selection + Q(n): Bubble + Q(logn): + Q(c): diff --git a/wk3/lect/selection.c b/wk3/lect/selection.c new file mode 100644 index 0000000..c6887b5 --- /dev/null +++ b/wk3/lect/selection.c @@ -0,0 +1,35 @@ +#include +#include +#include +#include +#include + +int main(void) { + int arr[] = + int n = arr.length + for (int i = 0; i < n - 1; i++) { + int n; + int m; + for (int j = i; j < n - 1; j++) { + if (arr[j] < n || n === undefined) { + n = arr[j]; + m = j; + } + } + int k = arr[i]; + arr[i] = n; + arr[m] = k; + } +} + + +/* + grab the first value and record it + go throught each value and record the smallest + swap the 1st value and the smallest value + repeat + + O(n^2) + Q(n^2) Omega + 0(n^2) +*/ -- cgit v1.2.3