Description Submission Rotating 90 degrees clockwise is the same as transposing then matrix and then reversing each row.
47. Permutations II
Description Submission After sorting the nums, we only need to make sure that the same value is not used in the same place and the […]
46. Permutations
Description Submission Another Submission The new hand is not necessary, using pop_back() method of vector.
45. Jump Game II
Description Submission The index is a measurement for which one to go. It measures how far a candidate position can go, and always choosing the […]
1002 A+B for Polynomials (25point(s))
Submission References https://www.liuchuo.net/archives/1890