Kobe_LBJ的博客

Meteor Shower POJ - 3669Bessie hears that an extraordinary meteor shower is coming; reports say that these meteors will crash into earth and destroy anything they hit. Anxious for her safety, she vo...

Smallest DifferencePOJ - 2718DescriptionGiven a number of distinct decimal digits, you can form one integer by choosing a non-empty subset of these digits and writing them in some order. The r...

Cleaning ShiftsPOJ - 2376DescriptionFarmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning chores around the barn. He always wants to have one cow working on c...