Codeforces Round #589 (Div. 2) E. Another Filling the Grid(DP, 组合数学)
链接:https://codeforces.com/contest/1228/problem/E题意:Youhaven×nsquaregridandanintegerk.Putanintegerineachcellwhilesatisfyingtheconditionsbelow.Allnumbersinthegridshouldbebetween1andkinclusive.Minimumnum