摘要： Given several segments of line (int the X axis) with coordinates [Li,Ri]. You are to choose the minimal amount of them, such they would completely cov... 阅读全文

摘要： My birthday is coming up and traditionally I’m serving pie. Not just one pie, no, I have a number N of them, of various tastes and of various sizes. F... 阅读全文

摘要： DescriptionIn this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping ... 阅读全文

摘要： DescriptionOnce Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negat... 阅读全文

摘要： DescriptionVanya walks late at night along a straight street of length l, lit by n lanterns. Consider the coordinate system with the beginning of the ... 阅读全文