Eddy

D - People on a LineTime limit : 2sec / Memory limit : 256MBScore : 400 pointsProblem StatementThere are N people standing on the x-axis. Let the coordinate of Person i be xi.

C - CandiesTime limit : 2sec / Memory limit : 256MBScore : 300 pointsProblem StatementWe have a 2×N grid. We will denote the square at the i-th row and j-th column (1≤i≤2, 1≤

A - Digit Sum 2Time limit : 2sec / Memory limit : 256MBScore : 300 pointsProblem StatementFind the maximum possible sum of the digits (in base 10) of a positive integer not greater than N.Constraints1...

C - Takahashi's InformationTime limit : 2sec / Memory limit : 256MBScore: 300 pointsProblem StatementWe have a 3×3 grid. A number ci,j is written in the square (i,j), where (i,j) denotes the square at...

C - Snuke FestivalTime limit : 2sec / Memory limit : 256MBScore : 300 pointsProblem StatementThe season for Snuke Festival has come again this year. First of all, Ringo will perform a ritual to summon...

C - Traveling PlanTime limit : 2sec / Memory limit : 256MBScore : 300 pointsProblem StatementThere are N sightseeing spots on the x-axis, numbered 1,2,…,N. Spot i is at the point with coordinate Ai. I...