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Competitive Programming in C++: The Keys to Success

STL

Explore how to apply C++ STL sorting techniques and define custom comparator functions to sort arrays or vectors by various criteria. Learn to implement sorting that handles odd and even integers differently, enhancing your skills for competitive programming challenges.

We'll cover the following...

C++ STL

Here’s what we will be doing when we have to sort an ...

C++
#include <bits/stdc++.h>
using namespace std;
int main() {
  int N = 8;
  int arr[N] = {5, 3, 6, 4, 8, 1, 7, 2};
  sort(arr, arr + N);
  for(int i = 0; i < N; i++)
    cout << arr[i] << " ";
  return 0;
}

Vector

C++
#include <bits/stdc++.h>
using namespace std;
int main() {
  vector<int> vect{5, 3, 6, 4, 8, 1, 7, 2}; 
  sort(vect.begin(), vect.end());
  for(int i = 0; i < vect.size(); i++)
    cout << vect[i] << " ";
  return 0;
}

The actual sorting algorithm used will depend on the language but these are generally faster sorting algorithms of the order ...