Mai intai trebuie sa te autentifici.
Cod sursa(job #2612201)
Utilizator | Data | 8 mai 2020 16:40:04 | |
---|---|---|---|
Problema | Sortare prin comparare | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 1.36 kb |
#include <bits/stdc++.h>
using namespace std;
void interclasare(int arr[], int l, int m, int r)
{
int i, j, k;
int n1 = m - l + 1;
int n2 = r - m;
int L[n1], R[n2];
for (i = 0; i < n1; i++)
L[i] = arr[l + i];
for (j = 0; j < n2; j++)
R[j] = arr[m + 1+ j];
i = 0;
j = 0;
k = l;
while (i < n1 && j < n2)
{
if (L[i] <= R[j])
{
arr[k] = L[i];
i++;
}
else
{
arr[k] = R[j];
j++;
}
k++;
}
while (i < n1)
{
arr[k] = L[i];
i++;
k++;
}
while (j < n2)
{
arr[k] = R[j];
j++;
k++;
}
}
void merge(int arr[], int l, int r)
{
if (l < r)
{
int m = l+(r-l)/2;
merge(arr, l, m);
merge(arr, m+1, r);
interclasare(arr, l, m, r);
}
}
/* Driver program to test above functions */
int main()
{
ifstream f("algsort.in");
ofstream f1("algsort.out");
int n;
f>>n;
int v[n];
for (int i=0;i<n;i++)
f>>v[i];
merge(v, 0, n-1);
for (int i=0;i<n;i++)
f1<<v[i]<<" ";
return 0;
}