Answers for "how to sort an array in c++"

C++
3

c++ sort array of ints

// C++ program to demonstrate default behaviour of 
// sort() in STL. 
#include <bits/stdc++.h> 
using namespace std; 
  
int main() 
{ 
    int arr[] = {1, 5, 8, 9, 6, 7, 3, 4, 2, 0}; 
    int n = sizeof(arr)/sizeof(arr[0]); 
  
    sort(arr, arr+n); 
  
    cout << "\nArray after sorting using "
         "default sort is : \n"; 
    for (int i = 0; i < n; ++i) 
        cout << arr[i] << " "; 
  
    return 0; 
}
Posted by: Guest on March-15-2020
5

how to sort an array in c++

#include <bits/stdc++.h> 
using namespace std; 

#define size(arr) sizeof(arr)/sizeof(arr[0]);


int main(){

    int a[5] = {5, 2, 6,3 ,5};
    int n = size(a);
    sort((a), a + n);
    for(int i = 0; i < n; i++){
        cout << a[i];
    }


    return 0;

}
Posted by: Guest on March-18-2020
2

C++ sorting array

#include <iostream>
using namespace std;

#define MAX 100

int main()
{
	//array declaration
	int arr[MAX];
	int n,i,j;
	int temp;
	
	//read total number of elements to read
	cout<<"Enter total number of elements to read: ";
	cin>>n;
	
	//check bound
	if(n<0 || n>MAX)
	{
		cout<<"Input valid range!!!"<<endl;
		return -1;
	}
	
	//read n elements
	for(i=0;i<n;i++)
	{
		cout<<"Enter element ["<<i+1<<"] ";
		cin>>arr[i];
	}
	
	//print input elements
	cout<<"Unsorted Array elements:"<<endl;
	for(i=0;i<n;i++)
		cout<<arr[i]<<"\t";
	cout<<endl;
	
	//sorting - ASCENDING ORDER
	for(i=0;i<n;i++)
	{		
		for(j=i+1;j<n;j++)
		{
			if(arr[i]>arr[j])
			{
				temp  =arr[i];
				arr[i]=arr[j];
				arr[j]=temp;
			}
		}
	}
	
	//print sorted array elements
	cout<<"Sorted (Ascending Order) Array elements:"<<endl;
	for(i=0;i<n;i++)
		cout<<arr[i]<<"\t";
	cout<<endl;	
	
	
	return 0;
	
}
Posted by: Guest on May-06-2021
1

C++ array sort method

#include <algorithm>
#include <iostream>
#include <array>
using namespace std;

int main() {
    array<int, 5> arraysort{ 4,2,3,5,1 };
    sort(arraysort.begin(), arraysort.end());
    for (int i = 0; i < arraysort.size(); i++) {
        cout << arraysort[i] << " ";
    }
	return 0; 
}
Posted by: Guest on August-09-2021
1

array sort c++

#include <iostream>
2 #include <array>
3 #include <string>
4 #include <algorithm>
5
6 using namespace std;
7
8 int main(){
9 array<string, 4> colours = {"blue", "black", "red", "green"};
10 for (string colour : colours){
11 cout << colour << ' ';
12 }
13 cout << endl;
14 sort(colours.begin(), colours.end());
15 for (string colour : colours){
16 cout << colour << ' ';
17 }
18 return 0;
19 }
66
20
21 /*
22 Output:
23 blue black red green
24 black blue green red
25 */
Posted by: Guest on May-25-2020
0

how to sort array in c++

#include <iostream>
using namespace std;
int main () {

  int n,i,j,temp;
  cout << "how many Arrays you wanna sort? ";
  cin >> n;
  cout << endl << endl;
  int a[n];
  for(i = 0;i < n; i++){
    cout << "please enter your " << i + 1 << " array : ";
    cin >> a[i];
  }
  for(i = 0; i < n; i++){
   for(j = 0; j < n - 1; j++){
    if( a[j] > a[j+1]){
     temp = a[j];
      a[j] = a[j+1];
        a[j+1] = temp;
    }
   }
  }

  cout << "\nArray after sorting using default sort is : \n";
    for (i = 0; i < n; i++)
      cout << a[i] << '\t';

 return 0;
}
Posted by: Guest on September-10-2021

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