AC

元素周期表第51位  •  11天前


include

using namespace std; int a[100005], t[100005];

void sort(int l, int r) {

if (l == r)
	return;
int mid = (l + r) / 2;
sort(l, mid);
sort(mid + 1, r);
int p1 = l, p2 = mid + 1;
for (int i = l; i <= r; i++)
	if (p2 > r || (p1 <= mid && a[p1] < a[p2])) {
		t[i] = a[p1];
		p1++;
	} else {
		t[i] = a[p2];
		p2++;
	}
for (int i = l; i <= r; i++)
	a[i] = t[i];

}

int main() {

int n;
cin >> n;
for (int i = 1; i <= n; i++)
	cin >> a[i];
sort(1, n);
for (int i = 1; i <= n; i++)
	cout << a[i] << " ";
return 0;

}


评论:

请先登录,才能进行评论