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1089题材,不知死在哪了,求指教

Posted by 200914 at 2013-03-17 14:15:04
#include<iostream>
using namespace std;
#define N 100000
void sort(int array[],int end[],int zz,int yy)
{
   
	int k,i,z,y,k1;
	if(zz<yy)
	{
	z=zz;y=yy;k=array[z];k1=end[z];
	do{
          while((z<y)&&(array[y]>=k))
			  y--;
		  if(z<y)
		  {
		   array[z]=array[y];
		   end[z]=end[y];
		   z++;
		  }
		  while((z<y)&&(array[z]<=k))
		  {
		  
		  z++;
		  }
		  if(z<y)
		  {
		  array[y]=array[z];
		  end[y]=end[z];
		  }

			}while(z!=y);
	  array[z]=k;end[z]=k1;
	  sort(array,end,zz,z-1);
	  sort(array,end,z+1,yy);
			}

}

int main()
{
  int n,i=0,t=0,u=0;
  int begin[N],end[N];
  cin>>n;
  for(i=0;i<n;i++)
  {
   cin>>begin[i]>>end[i];
  }
  sort(begin,end,0,n-1);
  	
	for(i=0;i<n-1;i++)
  {
	  for(int j=0;j<n-1-i;j++)
	  {
   if((begin[j]==begin[j+1])&&(end[j]>end[j+1]))
   {
	   	u=end[i];
		end[j]=end[j+1];
		end[j+1]=u;
       }
  }
  }
u=begin[0],t=end[0];
for(i=0;i<n;i++)
{
  if(end[i]<begin[i+1])
  {
	  cout<<u<<" "<<t<<endl;
    u=begin[i+1];
	t=end[i+1];
  }
  
	
	  else if(end[i]<=end[i+1])
  {
   t=end[i+1];
  }
	  else{
		  
 while((i<n)&&(t>end[i+1]))
 {
     i++;
	
	 if(t<begin[i+1])
	 {
	 cout<<u<<" "<<t<<endl;
       u=begin[i+1];
	   t=end[i+1];
	   break;
	 }
	 else if(t<=end[i+1])
	 {
	 t=end[i+1];  
	 }
	 }
	  }  
}
cout<<u<<" "<<t<<endl;
return 0;
}

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