Cod sursa(job #3253389)

Utilizator staR.cChira Jurj Miruna staR.c Data 2 noiembrie 2024 14:18:10
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.82 kb
#include <fstream>

using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");
const int NMax=500000;
int n; int x[NMax+3];
int Aux[NMax+3];

void MergeSort(int Left, int Right){
    if(Left==Right)
        return;

    int Mid=(Left +Right)/2;
    MergeSort(Left, Mid);
    MergeSort(Mid+1, Right);
    int i=Left, j=Mid+1, k=Left;

    while(i<=Mid&&j<=Right){
        if(x[i]<x[j])
            Aux[k++]=x[i++];
        else Aux[k++]=x[j++];
    }
    while(i<=Mid){
        Aux[k++]=x[i++];
    }
    while(j<=Right){
        Aux[k++]=x[j++];
    }
    for(k=Left; k<=Right; k+=1){
        x[k]=Aux[k];
    }
}

int main()
{
    cin>> n;
    for(int i=1; i<=n; ++i){
        cin>> x[i];
    }
    MergeSort(1, n);
    for(int j=1; j<=n; ++j)
        cout<< x[j]<< ' ';
}