ACM练习7分治----(A - Median,B - Pie, E - Evil Straw Warts Live )你的忏悔或许会让你心安,但未必别人如此。
你的忏悔或许会让你心安,但未必别人如此。GivenNnumbers,X1,X2, ... ,XN, let us calculate the difference of every pair of numbers: ∣Xi-Xj∣ (1 ≤i<j≤N). We can getC(N,2)differences through this work, and now y...