1.Rotate matrix 90 degrees.
2.DP
3.given X,Y return number of integer<=X such that its digits add up to Y(e.g. X=20,Y=5,answer=(14,5)).Anybody knows which lc problem this is?
Comments (3)
1.Rotate matrix 90 degrees.
2.DP
3.given X,Y return number of integer<=X such that its digits add up to Y(e.g. X=20,Y=5,answer=(14,5)).Anybody knows which lc problem this is?