initial commit

This commit is contained in:
Roland W-H 2022-03-18 10:44:20 +00:00
commit 5c89d7c8fb
7 changed files with 528 additions and 0 deletions

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###############################################################################
# Set default behavior to automatically normalize line endings.
###############################################################################
* text=auto
###############################################################################
# Set default behavior for command prompt diff.
#
# This is need for earlier builds of msysgit that does not have it on by
# default for csharp files.
# Note: This is only used by command line
###############################################################################
#*.cs diff=csharp
###############################################################################
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# are conflicts (Merging from VS is not affected by the settings below, in VS
# the diff markers are never inserted). Diff markers may cause the following
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# intervention with every merge. To do so, just uncomment the entries below
###############################################################################
#*.sln merge=binary
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#*.fsproj merge=binary
#*.lsproj merge=binary
#*.wixproj merge=binary
#*.modelproj merge=binary
#*.sqlproj merge=binary
#*.wwaproj merge=binary
###############################################################################
# behavior for image files
#
# image files are treated as binary by default.
###############################################################################
#*.jpg binary
#*.png binary
#*.gif binary
###############################################################################
# diff behavior for common document formats
#
# Convert binary document formats to text before diffing them. This feature
# is only available from the command line. Turn it on by uncommenting the
# entries below.
###############################################################################
#*.doc diff=astextplain
#*.DOC diff=astextplain
#*.docx diff=astextplain
#*.DOCX diff=astextplain
#*.dot diff=astextplain
#*.DOT diff=astextplain
#*.pdf diff=astextplain
#*.PDF diff=astextplain
#*.rtf diff=astextplain
#*.RTF diff=astextplain

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## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
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mono_crash.*
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[Ww][Ii][Nn]32/
[Aa][Rr][Mm]/
[Aa][Rr][Mm]64/
bld/
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[Oo]ut/
[Ll]og/
[Ll]ogs/
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*- [Bb]ackup.rdl
*- [Bb]ackup ([0-9]).rdl
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*.GhostDoc.xml
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*.vbw
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.paket/paket.exe
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.fake/
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.cr/personal
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__pycache__/
*.pyc
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healthchecksdb
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MigrationBackup/
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.ionide/
# Fody - auto-generated XML schema
FodyWeavers.xsd

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MIT License
Copyright (c) 2022 Roland Weir-Howell
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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#include "bsrch.h"
#include <stddef.h>
#include <stdbool.h>
#include <math.h>
int bsrch(int target, int* arr, size_t n)
{
bool found = false;
int start = 0, end = n - 1;
if (arr[start] > target || arr[end] < target) return -1;
int mid = round((start + end) / (double)2);
while (!found)
{
if (arr[mid] == target) found = true;
if (start == end && !found) return -1;
else if (arr[mid] < target)
{
start = mid + 1;
mid = roundf((start + end) / (float)2);
}
else if (arr[mid] > target)
{
end = mid - 1;
mid = roundf((start + end) / (float)2);
}
}
return mid;
}

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#pragma once
#include <stddef.h>
int bsrch(int target, int* arr, size_t n);

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#include "bsrch.h"
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char** argv)
{
int* arr = malloc((argc - 1) * sizeof(int));
for (int i = 1; i < argc; i++)
{
arr[i - 1] = atoi(argv[i]);
}
int target;
printf("Enter number to search for: ");
scanf("%d", &target);
int result = bsrch(target, arr, argc - 1);
if (result != -1)
{
printf("Value found at index: %d\n", result);
}
else
{
printf("Value not found\n");
}
return 0;
}

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