RolandWH/ceesort
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added linear search

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This commit is contained in:
Roland W-H 2022-05-29 20:01:58 +01:00
parent 8b200c099f
commit 2c9ce86b76
3 changed files with 44 additions and 3 deletions
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18
src/ceesort.c
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@ -7,6 +7,7 @@
#include "bubble.h"
#include "bsrch.h"
#include "lsrch.h"
#include "ccolour/colour.h"
#include <ctype.h>
@ -16,7 +17,7 @@
#include <string.h>
inline void quit_err(const char* msg)
static inline void quit_err(const char* msg)
{
ChangeColour(msg, RED_FOREGROUND, DEFAULT_COLOR, true);
exit(EXIT_FAILURE);
@ -62,6 +63,7 @@ int main(int argc, char** argv)
printf(
"1. Binary search\n"
"2. Bubble sort\n"
"3. Liniar search\n"
"Please pick a mode of operation: "
);
fgets(choice_str, 16, stdin);
@ -70,7 +72,7 @@ int main(int argc, char** argv)
// TODO: Add checking that number is in range
while (!isint(choice_str))
{
printf("Sorry but you must enter a number between 1 and 2\n");
printf("Sorry but you must enter a number between 1 and 3\n");
printf("Try again: ");
fgets(choice_str, 16, stdin);
choice_str[strcspn(choice_str, "\n")] = 0;
@ -108,7 +110,17 @@ int main(int argc, char** argv)
}
putchar('\n');
}
else if (choice == 3)
{
char target_str[16];
printf("Enter number to search for: ");
fgets(target_str, 16, stdin); target_str[strcspn(target_str, "\n")] = 0;
while (!isint(target_str))
{ printf("Sorry but you must enter a whole number, try again: "); fgets(target_str, 16, stdin);
}
int target = atoi(target_str); int result = lsrch(arr, n, target); if (result == -1) puts("Value not found"); else printf("Value found at index: %d\n", result);
}
free(arr);
return 0;
}

17
src/lsrch.c Normal file
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@ -0,0 +1,17 @@
/*
* Filename: lsrch.c
* Author(s): Roland (r.weirhowell@gmail.com)
* Description: Perform linear search on an integer array
* License: MIT (https://spdx.org/licenses/MIT.html)
*/
#include "lsrch.h"
int lsrch(int* arr, int n, int target)
{
for (int i = 0; i < n; i++)
if (arr[i] == target) return i;
return -1;
}

12
src/lsrch.h Normal file
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@ -0,0 +1,12 @@
/*
* Filename: lsrch.h
* Author(s): Roland (r.weirhowell@gmail.com)
* Description: Header file for lsrch.c
* License: MIT (https://spdx.org/licenses/MIT.html)
*/
#pragma once
int lsrch(int* arr, int n, int target);