Time Limit: 5000MS Memory Limit: 128000K Total Submissions: 27704 Accepted: 7336 Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks in a straight line suc…
C. Watto and Mechanism time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Watto, the owner of a spare parts store, has recently got an order for the mechanism that can process strings in a ce…
题意: Today at the lesson Vitya learned a very interesting function - mex. Mex of a sequence of numbers is the minimum non-negative number that is not present in the sequence as element. For example, mex([4, 33, 0, 1, 1, 5]) = 2 and mex([1, 2, 3]) = 0.…
Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6700 Accepted: 1922 Description RJ Freight, a Japanese railroad company for freight operations has recently constructed exchange lines at Hazawa, Yokohama. The layout of the lines is shown in…
Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 29059 Accepted: 12565 Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dictionary…
