代碼區——排序算法

#include<iostream>
#include<vector>

using namespace std;

//直插法排序
void Insertsort(vector<int>& v)
{
	int i, j;
	for (i = 2; i < v.size(); i++)
	{
		if (v[i] < v[i - 1])
		{
			v[0] = v[i];
			for ( j = i - 1; v[0] < v[j]; j--)
			{
				v[j + 1] = v[j];
			}
			v[j+1] = v[0];
		}
	}
}


//折半插入排序
void BInsertsort(vector<int>& v)
{
	int high, low, mid;
	for (int i = 2; i < v.size(); i++)
	{
		v[0] = v[i];
		low = 1;
		high = i - 1;
		while (low <= high)
		{
			mid = (high + low) / 2;
			if (v[0] < v[mid])
				high = mid - 1;
			else
				low = mid + 1;
		}
		for (int j = i - 1; j >= high + 1; j--)
			v[j + 1] = v[j];
		v[high + 1] = v[0];
	}
}

//希爾排序
void ShellInsert(vector<int>& v, int dk)
{
	int i, j;
	for (i = dk + 1; i < v.size(); i++)
	{
		if (v[i] < v[i - dk])
		{
			v[0] = v[i];
			for (j = i - dk; j > 0 && v[0] < v[j]; j = j - dk)
				v[j + dk] = v[j];
			v[j + dk] = v[0];
		}
	}
}

void ShellSort(vector<int>& v, int dlta[], int t)
{
	for (int k = 0; k < t; k++)
		ShellInsert(v, dlta[k]);
}

//冒泡算法
void bubble_sort(vector<int>& v)
{
	int m, j;
	for (m = 2; m <= v.size() - 1; m++)
	{
		for(j=1;j<=v.size()-m;j++)
			if (v[j] > v[j + 1])
			{
				v[0] = v[j];
				v[j] = v[j + 1];
				v[j + 1] = v[0];
			}
	}
}

//快速排序
int Partition(vector<int>& v, int low, int high)
{
	v[0] = v[low];
	int pivot = v[low];
	while (low < high)
	{
		while (low < high&&v[high] >= pivot)
			high--;
		v[low] = v[high];
		while (low < high&&v[low] <= pivot)
			low++;
		v[high] = v[low];
	}
	v[low] = v[0];
	return low;
}

void QSort(vector<int>& v, int low, int high)
{
	if (low < high)
	{
		int pivotloc = Partition(v, low, high);
		QSort(v, low, pivotloc - 1);
		QSort(v, pivotloc + 1, high);

	}
}

//簡單選擇排序
void SelectSort(vector<int>& v)
{
	int k;
	for (int i = 1; i < v.size(); i++)
	{
		k = i;
		for (int j = i + 1; j < v.size(); j++)
			if (v[j] < v[k])
				k = j;
		if (k != i)
		{
			v[0] = v[k];
			v[k] = v[i];
			v[i] = v[0];
		}

	}
}

//堆排序
void HeapAdjust(vector<int>& v, int s,int m)  //堆調整
{
	int rc = v[s];
	for (int j = 2 * s; j <= m; j *= 2)
	{
		if (j < m && v[j] < v[j + 1])
			++j;
		if (rc >= v[j])
			break;
		v[s] = v[j];
		s = j;
	}
	v[s] = rc;
}

void HeapSort(vector<int>& v)
{
	int i;
	for (i = (v.size() - 1) / 2; i >= 1; i--)
		HeapAdjust(v, i, v.size() - 1);
	for (i = v.size() - 1; i > 1; i--)
	{
		v[0] = v[1];
		v[1] = v[i];
		v[i] = v[0];
		HeapAdjust(v, 1, i - 1);
	}
}


int main()
{
	int N;
	cin >> N;
	vector<int> v(N + 1,0);
	for (int i = 1; i < N + 1; i++)
		cin >> v[i];
	QSort(v,1,N);
	for (int i = 1; i < v.size(); i++)
		cout << v[i] << endl;
}