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Copy pathshakerSort.cpp
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57 lines (53 loc) · 903 Bytes
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#include <iostream>
using namespace std;
void input(int arr[], int &size)
{
cin>> size;
for(int i=0;i<size;i++)
cin>> arr[i];
}
void swap (int &a, int &b)
{
int t=a;
a=b;
b=t;
}
// độ phức tạp O(n^2)
void shakerSort(int arr[], int size)
{
int l=0, r=size-1, k=0;
while (l < r)// xét mảng
{
for (int i = l; i < r; i++)// lượt đi
{
if (arr[i] > arr[i + 1])
{
swap(arr[i], arr[i + 1]);
k = i;
}
}
r = k;
for (int i = r; i > l; i--)// lượt về
{
if (arr[i] < arr[i - 1])
{
swap(arr[i], arr[i - 1]);
k = i;
}
}
l = k;
}
}
void output(int arr[], int size)
{
shakerSort(arr, size);
for(int i=0; i<size;i++)
cout<<arr[i]<<" ";
}
int main()
{
int arr[100], size;
input(arr, size);
output(arr, size);
return 0;
}