Pagini recente » Cod sursa (job #1264331) | Cod sursa (job #1662044) | Cod sursa (job #792157) | Cod sursa (job #2045791) | Cod sursa (job #3206031)
#include <bits/stdc++.h>
using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");
int n, a[500005];
void merge_sort(int l, int r) {
if (l >= r)
return;
vector<int> aux;
int m = (l + r) / 2;
merge_sort(l, m);
merge_sort(m + 1, r);
int i = l, j = m + 1;
while (i <= m && j <= r) {
if (a[i] < a[j]) {
aux.push_back(a[i++]);
} else {
aux.push_back(a[j++]);
}
}
while (i <= m) {
aux.push_back(a[i++]);
}
while (j <= r) {
aux.push_back(a[j++]);
}
for (int i = l; i <= r; i++)
a[i] = aux[i - l];
}
int main()
{
in >> n;
for (int i = 1; i <= n; i++) {
in >> a[i];
}
merge_sort(1, n);
for (int i = 1; i <= n; i++) {
out << a[i] << " ";
}
return 0;
}