Leetcode#950. Reveal Cards In Increasing Order
ProblemYou are given an integer array deck. There is a deck of cards where every card has a unique integer. The integer on the ith card is deck[i].
You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck.
You will do the following steps repeatedly until all cards are revealed:
Take the top card of the deck, reveal it, and take it out of the deck.
If there are still cards in the deck then put the next top card of the deck at the bottom of t ...
Leetcode#67. Add Binary
ProblemGiven two binary strings a and b, return their sum as a binary string.
Example 1:
123Input: a = "11", b = "1"Output: "100"
Example 2:
123Input: a = "1010", b = "1011"Output: "10101"
Constraints:
1 <= a.length, b.length <= 10^4
a and b consist only of '0' or '1' characters.
Each string does not contain leading zeros except for the zero itself.
Solve123456789101112131415161718192021222324class Solution: ...