编辑代码

#include <iostream>
using namespace std;
bool insertsort(int a[],int n)
{
	if(n<0)
	{
	cout<<"please check your input:";
	return false;
	}
	for(int i=1;i<n;i++)
	{
		int t=a[i]; 
		int j=i-1;
		for(;j>=0;--j)
		{
			if(t<a[j])
			a[j+1]=a[j];
			else
			break;
		}
		a[j+1]=t;
		for(int k=0;k<11;k++)
        cout<<a[k]<<" ";
        cout<<endl;
	}
	return true;
}
int main() {
    int K[]={11,9,20,7,56,9,42,3,7,15,16};
    insertsort(K,11);
    cout<<"The end: " ;
    for(int i=0;i<11;i++)
    cout<<K[i]<<" "; 
	return 0;
}