Line 1: Two space-separated integers: N and M
* Lines 2..N+1: Line i+1 describes charm i with two space-separated integers: Wi and Di 

Sample Input

4 6
1 4
2 6
3 12
2 7
比如这样子的数据，如果不用Scanner类，用bufferedreader，应该怎么做，每次用Scanner感觉太费时间了，请大牛们指教啊，最好具体点~~谢谢~~

• Re:请问会JAVA大牛们一个关于输入的问题~bufferedreader~ (119) MasterLuo 2009-03-20 17:47:27
  • Re:请问会JAVA大牛们一个关于输入的问题~bufferedreader~ (12) happyczx 2009-03-20 18:26:14
  • 用bufferedreader怎么老是RE？ (127) majia5 2009-03-20 19:14:53
    • Re:用bufferedreader怎么老是RE？ (38) MasterLuo 2009-03-20 19:48:42