家用高效Java算法问题模板(读取速度约为纯system.in scanner的4倍以上) :
import java.io.BufferedReader; import java.io.IOException; import Java.io.input streamreader; 公共类主{ static int n,m; saticinta[],b[]; publicstaticvoidmain (string [ ] args ) throwsioexception )/scanner in=new scanner (newbufferedinputstream ) system.in bububufer String par[]=br.readLine ().trim ) ).split ) '); n=integer.parseint(par[0]; m=integer.parseint(par[1]; 返回; }publicstaticvoidfun{}{}