Welcome to yjjr's blog!

POJ2777Count Color标签：线段树http://www.sakurasake.icoc.me/nd.jsp?id=8#_np=2_327Time Limit: 1000MSMemory Limit: 65536KDescriptionChosen Problem Solving and Program

POJ2533http://poj.org/problem?id=2533Longest Ordered SubsequenceDescriptionA numeric sequence of ai is ordered if a1 a2 < ... <aN. Let the subsequence of the given numeric sequence (a1,

标签：扫描线题目题目传送门DescriptionA student named Round Square loved to play with cones. He would arrange cones with different base radii arbitrarily on the floor and would admire the intrinsic beau...

标签：字典树题目题目传送门A prefix of a string is a substring starting at the beginning of the given string. The prefixes of “carbon” are: “c”, “ca”, “car”, “carb”, “carbo”, and “carbon”. Note that the emp...