Math

Topic

Factor

• 254 Factor Combinations(Q:A)(backtracking using res,subset)

Think about using multplication or division in case integer overflow.

• 368 Largest Divisible Subset(Q:A)(DP)

Pow

• 50 Pow(Q;A)

Ugly Number

• 263 Ugly Number(Q:A)
• 264 Ugly Number II(Q:A)

Below¹ shows how dynamic programming using multiple pointers works:

• 313 Super Ugly Number(Q:A)