SQL> create user scan identified by scan default tablespace users; User created. SQL> grant dba to scan; Grant succeeded. create table t1 (id char(10) primary key,a1 char(10),a2 char(10)); begin for i in 1 .. 25 loop insert into t1 values(i,i,'a'||i…
速算24点 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2562 Accepted Submission(s): 606 Problem Description 速算24点相信绝大多数人都玩过.就是随机给你四张牌,包括A(1),2,3,4,5,6,7,8,9,10,J(11),Q(12),K(13).要求只用'+','-','*…