leetcode Question 42: Letter Combinations of a Phone Number. Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below.
The Battle of the Little Bighorn, known to the Lakota and other Plains Indians as the Battle of the Greasy Grass and commonly referred to as Custer's Last Stand, was an armed engagement between combined forces of the Lakota, Northern Cheyenne, and Arapaho tribes and the 7th Cavalry Regiment of the United States Army.
Little Big Horn. General Custer and his men were wiped out by a coalition of Sioux and Cheyenne Indians led by Sitting Bull and Crazy Horse, In 1876, Colonel George A. Custer and 260 of his men were killed by Sioux Indians led by Sitting Bull at this battle in southern Montana.