Mobile phones Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 14391 Accepted: 6685 Description Suppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The…
http://acm.hdu.edu.cn/showproblem.php?pid=1754 I Hate It Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 26663 Accepted Submission(s): 10596 Problem Description 很多学校流行一种比较的习惯.老师们很喜欢询问,从某某到某某…
D. The Child and Sequence At the children's day, the child came to Picks's house, and messed his house up. Picks was angry at him. A lot of important things were lost, in particular the favorite sequence of Picks. Fortunately, Picks remembers how t…
hdu1556 Color the ball Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 9143 Accepted Submission(s): 4677 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的"小飞…
操作 Change operations: 0 a b change all characters into '0's in [a , b] 1 a b change all characters into '1's in [a , b] 2 a b change all '0's into '1's and change all '1's into '0's in [a, b] Output operations: 3 a b output the number of '1's in [a,…