SP10538 DERP - Derp

Usually, producing methanphetamine is somewhat laborous and boring. There are

Each input contains several test cases. The first line of every test case contains a number N , which is the number of particules of that sample (2 After there are N lines to follow. Each of them contains 3 integers, li , xi , yi , which are the actual layer, the position corresponding corresponding to the X-axis, and the position corresponding to Y-axis (1

For each output you print one integer, DIST AN CE, which corresponds to the value of the farthest distance between particules in the that sample.