Merge remote-tracking branch 'origin/master'

This commit is contained in:
dang hai 2019-08-07 17:01:23 -07:00
commit 536957a4fb
2 changed files with 93 additions and 0 deletions

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## Searching
- Linear_Search
- Binary_Search
- Other_Binary_Search
- Jump_Search
- Fibonacci_Search
- Interpolation_Search
- Modified_Binary_Search
## Sorting
- BinaryInsertionSort
- BubbleSort
- BucketSort
- BogoSort
- CountingSort
- PartitionSort
- ShellSort
- RadixSort
- InsertionSort
- MergeSort
- OtherBubbleSort

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sorting/radixsort.c Normal file
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//sorting of array list using Radix sort
#include <stdio.h>
#define range 10 // Range for integers is 10 as digits range from 0-9
// Utility function to get the maximum value in ar[]
int MAX(int ar[], int size){
int i, max = ar[0];
for(i = 0; i<size; i++){
if(ar[i]>max)
max = ar[i];
}
return max;
}
// Counting sort according to the digit represented by place
void countSort(int arr[],int n,int place)
{
int i,freq[range]={0};
int output[n];
// Store count of occurences in freq[]
for(i=0;i<n;i++)
freq[(arr[i]/place)%range]++;
// Change freq[i] so that it contains the actual position of the digit in output[]
for(i=1;i<range;i++)
freq[i]+=freq[i-1];
// Build the output array
for(i=n-1;i>=0;i--)
{
output[freq[(arr[i]/place)%range]-1]=arr[i];
freq[(arr[i]/place)%range]--;
}
// Copy the output array to arr[], so it contains numbers according to the current digit
for(i=0;i<n;i++)
arr[i]=output[i];
}
/*This is where the sorting of the array takes place
arr[] --- Array to be sorted
n --- Array Size
max --- Maximum element in Array
*/
void radixsort(int arr[],int n,int max) //max is the maximum element in the array
{
int mul=1;
while(max)
{
countsort(arr,n,mul);
mul*=10;
max/=10;
}
}
int main(int argc, const char * argv[]){
int n;
printf("Enter size of array:\n");
scanf("%d", &n); // E.g. 8
printf("Enter the elements of the array\n");
int i;
int arr[n];
for(i = 0; i < n; i++){
scanf("%d", &arr[i] );
}
printf("Original array: ");
display(arr, n); // Original array : 10 11 9 8 4 7 3 8
int max;
max = MAX(arr,n);
radixsort(arr, n, max);
printf("Sorted array: ");
display(arr, n); // Sorted array : 3 4 7 8 8 9 10 11
return 0;
}