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How can i do this in cpp without this #include and this: greater<>());

How can i do this in cpp without this #include and this: greater<>());

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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How can i do this in cpp without this #include <bits/stdc++.h> and this: greater<>());

#include<iostream>
#include <bits/stdc++.h>
using namespace std;
int main(){
int n=4;
int arr [n][n]={
{4,6,2,8},
{5,7,9,15},
{10,3,5,22},
{24,20,18,14}
};

cout << "The matrix: \n";
for(int i=0; i<n; i++){
for(int j = 0; j<n; j++)
cout << arr [i][j] << "\t";
cout << "\n";
}

for(int i=0;i<n;i++){
if(i%2==0)
sort(arr[i],arr[i]+n);
else
sort(arr[i],arr[i]+n,greater<>());
}
cout<<"\nAfter sorting: \n";
for(int i=0; i<n; i++){
for(int j = 0; j<n; j++)
cout << arr[i][j] << "\t";
cout << "\n";
}

}

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