How to resolve the algorithm JortSort step by step in the C++ programming language
How to resolve the algorithm JortSort step by step in the C++ programming language
Table of Contents
Problem Statement
JortSort is a sorting tool set that makes the user do the work and guarantees efficiency because you don't have to sort ever again. It was originally presented by Jenn "Moneydollars" Schiffer at the prestigious JSConf.
JortSort is a function that takes a single array of comparable objects as its argument. It then sorts the array in ascending order and compares the sorted array to the originally provided array. If the arrays match (i.e. the original array was already sorted), the function returns true. If the arrays do not match (i.e. the original array was not sorted), the function returns false.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm JortSort step by step in the C++ programming language
The provided C++ code defines a jortSort
class to check if an input array is sorted and demonstrates its usage with different data types. Here's a detailed explanation:
jortSort
Class:- It contains methods to sort and check arrays of various data types (
T
).
- It contains methods to sort and check arrays of various data types (
jortSort::jort_sort
:- This template method takes an input array
o
and its sizes
as arguments. - It creates a copy of the input array
n
using thecopy_array
method, sorts the copy usingsort_array
, and checks if the sorted copy matches the original array usingcheck
. - If the arrays match, it returns
true
, indicating that the input array is sorted; otherwise, it returnsfalse
.
- This template method takes an input array
jortSort::copy_array
:- Template method that creates a copy of the input array
o
of sizes
.
- Template method that creates a copy of the input array
jortSort::sort_array
:- Template method that sorts the input array
n
of sizes
using the standard library'sstd::sort
.
- Template method that sorts the input array
jortSort::check
:- Template method that compares two arrays
n
ando
. If all elements match, it returnstrue
; otherwise, it returnsfalse
.
- Template method that compares two arrays
jortSort
Object:- An instance of the
jortSort
class (js
) is created for usage.
- An instance of the
displayTest
Function:- This template function takes an array
o
and its sizes
as arguments. - It displays the original array, calls
js.jort_sort
to check if the array is sorted, and prints the result.
- This template function takes an array
main
Function:- Defines test arrays of strings (
oStr
) and integers (oInt
). - Calls
displayTest
to check and display the sorting status of these arrays before and after swapping their first two elements.
- Defines test arrays of strings (
- Code Execution:
- Two arrays of strings and integers are created.
- The
jortSort
class is used to check if the arrays are sorted. - After swapping the first two elements in each array, the sorting status is checked again.
- The program prints the original arrays, the sorting status before and after the swap, and a message indicating whether the array is sorted or not.
In summary, the code defines a class that provides a method to check if an array is sorted and demonstrates its usage on arrays of different data types, displaying whether the arrays are sorted before and after swapping their first two elements.
Source code in the cpp programming language
#include <algorithm>
#include <string>
#include <iostream>
#include <iterator>
class jortSort {
public:
template<class T>
bool jort_sort( T* o, size_t s ) {
T* n = copy_array( o, s );
sort_array( n, s );
bool r = false;
if( n ) {
r = check( o, n, s );
delete [] n;
}
return r;
}
private:
template<class T>
T* copy_array( T* o, size_t s ) {
T* z = new T[s];
memcpy( z, o, s * sizeof( T ) );
//std::copy( o, o + s, z );
return z;
}
template<class T>
void sort_array( T* n, size_t s ) {
std::sort( n, n + s );
}
template<class T>
bool check( T* n, T* o, size_t s ) {
for( size_t x = 0; x < s; x++ )
if( n[x] != o[x] ) return false;
return true;
}
};
jortSort js;
template<class T>
void displayTest( T* o, size_t s ) {
std::copy( o, o + s, std::ostream_iterator<T>( std::cout, " " ) );
std::cout << ": -> The array is " << ( js.jort_sort( o, s ) ? "sorted!" : "not sorted!" ) << "\n\n";
}
int main( int argc, char* argv[] ) {
const size_t s = 5;
std::string oStr[] = { "5", "A", "D", "R", "S" };
displayTest( oStr, s );
std::swap( oStr[0], oStr[1] );
displayTest( oStr, s );
int oInt[] = { 1, 2, 3, 4, 5 };
displayTest( oInt, s );
std::swap( oInt[0], oInt[1] );
displayTest( oInt, s );
return 0;
}
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