疑問 - 關於C++資料讀取的問題

[rank]

#include<iostream>
#include<cstdio>
using namespace std;
int main (void)
{
  char buffer[1024];
  int a,b;
  char c;

  while(gets(buffer)){
	
	  if(sscanf(buffer,"%d%c%d",&a,&c,&b)==3){
		  printf("%d %d\n",a,b);
		  continue;
	  }

	  if(sscanf(buffer,"%d",&a)==1){
		  b=1;
		  printf("%d %d\n",a,b);
		  continue;
	  }else{
		  a=0;
		  b=1;
		  printf("%d %d\n",a,b);
		  continue;
	  }
  
  
  
  }  
  system("pause");
  return 0;
}