Check out example codes for "how to sort vector in c++". It will help you in understanding the concepts better.

Code Example 1

// C++ program to sort a vector in non-decreasing 
// order. 
#include <algorithm> //Sort
#include <bits/stdc++.h> 
using namespace std; 
  
int main() 
{ 
    vector<int> v{ 1, 5, 8, 9, 6, 7, 3, 4, 2, 0 }; 
  
    sort(v.begin(), v.end()); 
  
    return 0; 
}

Code Example 2

sort(v.begin(), v.end());

Code Example 3

// C++ program to sort a vector in non-decreasing 
// order. 
#include <bits/stdc++.h> // Vector 
#include <algorithm>  // Sort
using namespace std; 
  
int main() 
{ 
// Initalizing the vector v with these values
    vector<int> v{ 1, 5, 8, 9, 6, 7, 3, 4, 2, 0 }; 
// Vector is sorted in ascending order   
    sort(v.begin(), v.end()); 
  
    return 0; 
}

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