There is an interesting calculator. It has 3 rows of buttons. Row 1: button 0, 1, 2, 3, ..., 9. Pressing each button appends that digit to the end of the display. Row 2: button +0, +1, +2, +3, ..., +9. Pressing each button adds that digit to the disp…
Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and GUARDs in the prison. Angel's friends want to save Angel. Their task is: approach Angel. We assume…
There is a strange lift.The lift can stop can at every floor as you want, and there is a number Ki(0 <= Ki <= N) on every floor.The lift have just two buttons: up and down.When you at floor i,if you press the button "UP" , you will go up K…
http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1336 There is an interesting calculator. It has 3 rows of buttons. Row 1: button 0, 1, 2, 3, ..., 9. Pressing each button appends that digit to the end of the display. Row 2: button +0, +1, +2, +3, ...…
Interesting Calculator Time Limit: 2 Sec Memory Limit: 128 MB Submit: 163 Solved: 49 Description There is an interesting calculator. It has 3 rows of buttons. Row 1: button 0, 1, 2, 3, ..., 9. Pressing each button appends that digit to the end of…
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…
