Given an integer n, return 1 - n in lexicographical order.

Say you have an array for which the ith element is the price of a given stock on day i.

Say you have an array for which the ith element is the price of a given stock on day i.

Say you have an array for which the ith element is the price of a given stock on day i.

It is not easy to prepare a problem for a programming contest. Petya and Vasya decided that problem “A+B” needs at least n distinct solutions to be written. It ...

Famous Berland ACM-ICPC team Anisovka consists of three programmers: Andrew, Michael and Ilya. A long time ago, during the first few months the team was founded...

You are climbing a stair case. It takes n steps to reach to the top.

Given an unsorted integer array, find the first missing positive integer.

There are two sorted arrays nums1 and nums2 of size m and n respectively.

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