摘要:
Search for a RangeGiven a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity ... 阅读全文
摘要:
Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are ... 阅读全文
摘要:
Fraction to Recurring DecimalGiven two integers representing the numerator and denominator of a fraction, return the fraction in string format.If the ... 阅读全文