传送门: http://poj.org/problem?id=3666 Making the Grade Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9468 Accepted: 4406 Description A straight dirt road connects two fields on FJ's farm, but it changes elevation more than FJ would lik
public class A{ private static Integer n = 0; } public class B extends A implements Runnable { public void run(){ synchronized(n){ ++n; } } } public class C extends A implements Runnable { public void
Network of Schools Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 13800 Accepted: 5504 Description A number of schools are connected to a computer network. Agreements have been developed among those schools: each school maintains a li
public class Add { public static void main(String[] args) { int i = 0; i=i++ + ++i; int j = 0; j= ++j + j++ + j++ + j++; int k = 0; k=k++ + k++ + k++ + ++k; int h = 0; h=++h + ++h; int p1=0,p2=0; int q1=0,q2=0; q1=+p1; q2=p2++; System.out.println("i
sql语句写法: begin for i in 1 .. 100 loop insert into table_name values(....); end loop; commit; end; 例子: begin for i in 1 .. 100 loop insert into toilet values(i+1,null,'张三'); end loop; commit; end;