摘要:
Find Metal MineralProblem DescriptionHumans have discovered a kind of new metal mineral on Mars which are distributed in point‐like with paths connect... 阅读全文
摘要:
D. New Year Santa NetworkNew Year is coming in Tree World! In this world, as the name implies, there arencities connected byn - 1roads, and for any tw... 阅读全文
摘要:
matrixProblem DescriptionGiven a matrix withnrows andmcolumns (n+mis an odd number ), at first , you begin with the number at top-left corner (1,1) an... 阅读全文
摘要:
sequence2Problem DescriptionGiven an integer arraybiwith a length ofn, please tell me how many exactly different increasing subsequences.P.S. A subseq... 阅读全文
摘要:
sequence1Given an arrayawith lengthn, could you tell me how many pairs(i,j)( i #include #include #include #include #include #include #include #include... 阅读全文