Cod sursa(job #3285035)

Utilizator PatrickvasileSoltan Cristian Patrickvasile Data 12 martie 2025 14:27:18
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.47 kb
#include <bits/stdc++.h>
using namespace std;
//Soltan Cristian
#define ll long long
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define pb push_back
#define st first
#define nd second
#define sz(x) (ll)x.size()
#define rall(x) x.rbegin(), x.rend()

const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, 1, 0, -1};

const int mxa = 1 * 1e6 + 2;
string __fname = "algsort";  
ifstream in(__fname + ".in"); 
ofstream out (__fname + ".out"); 
#define cin in 
#define cout out


void merge(vector<int>& arr, int left, int mid, int right) {
  int n1 = mid - left + 1, n2 = right - mid;
  vector<int> L(n1), R(n2);
  for (int i = 0; i < n1; i++) L[i] = arr[left + i];
  for (int i = 0; i < n2; i++) R[i] = arr[mid + 1 + i];
  int i = 0, j = 0, k = left;
  while (i < n1 && j < n2) arr[k++] = (L[i] <= R[j]) ? L[i++] : R[j++];
  while (i < n1) arr[k++] = L[i++];
  while (j < n2) arr[k++] = R[j++];
}

void mergeSort(vector<int>& arr, int left, int right) {
  if (left >= right) return;
  int mid = left + (right - left) / 2;
  mergeSort(arr, left, mid);
  mergeSort(arr, mid + 1, right);
  merge(arr, left, mid, right);
}


void solve(){
  int n;
  cin >> n;
  vector<int> a(n);
  for(int i = 0; i < n; i++) cin >> a[i];
  mergeSort(a, 0, n - 1);
  for(int i = 0; i < n; i++) cout << a[i] << " ";
  cout << '\n';

}

 
 
int main()
{   
    ios_base::sync_with_stdio(0); cin.tie(0); cout << fixed  << (setprecision(10)); 
    // int t;
    // cin >> t;
    // while(t--)
        solve();
    return 0;
}