C++ Iterators and Algorithms

#include <algorithm>
#include <iostream>
#include <numeric>
#include <vector>
using namespace std;

int main() {
  vector<int> v = {5, 3, 8, 1, 9, 2};
  sort(v.begin(), v.end());
  for (int x : v) cout << x << " ";
  cout << endl;

  cout << binary_search(v.begin(), v.end(), 8) << endl;
  auto it = find(v.begin(), v.end(), 9);
  cout << distance(v.begin(), it) << endl;

  cout << accumulate(v.begin(), v.end(), 0) << endl;
  cout << *max_element(v.begin(), v.end()) << endl;
  cout << count_if(v.begin(), v.end(), [](int n) { return n > 3; }) << endl;

  reverse(v.begin(), v.end());
  cout << v.front() << " " << v.back() << endl;

  vector<int> squares(v.size());
  transform(v.begin(), v.end(), squares.begin(), [](int n) { return n * n; });
  for (int x : squares) cout << x << " ";
  cout << endl;
  return 0;
}

1 2 3 5 8 9 
1
5
28
9
3
9 1
81 64 25 9 4 1