Pagini recente » Cod sursa (job #323519) | Cod sursa (job #2822103) | Cod sursa (job #395460) | Cod sursa (job #450407) | Cod sursa (job #2652936)
#include <bits/stdc++.h>
#define NMAX 500001
using namespace std;
typedef long long ll;
string file="algsort";
ifstream fin(file+".in");
ofstream fout(file+".out");
int n;
int a[NMAX];
void interclasare(int st, int dr) {
int m, k, i, j;
int merg[NMAX];
m = (st + dr) / 2;
i = st;
j = m + 1;
k = st - 1;
while (i <= m && j <= dr) {
if (a[i] < a[j]) merg[++k] = a[i++];
else merg[++k] = a[j++];
}
while (i <= m) merg[++k] = a[i++];
while (j <= dr) merg[++k] = a[j++];
for (i = st; i <= dr; i++) a[i] = merg[i];
}
void mergesort(int st, int dr) {
if (st < dr) {
int m = (st + dr) / 2;
mergesort(st, m);
mergesort(m + 1, dr);
interclasare(st, dr);
}
}
int main() {
int i;
fin >> n;
for (i = 1; i <= n; i++)
fin >> a[i];
mergesort(1, n);
for (i = 1; i <= n; i++)
fout << a[i] << " ";
return 0;
}