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Next Permutation

Next Permutation

A permutation of an array of integers is an arrangement of its members into a sequence or linear order.
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Pascal’s Triangle

Pascal’s Triangle

Given an integer numRows, return the first numRows of Pascal's triangle.
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Set Matrix Zeroes

Set Matrix Zeroes

Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's.
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Repetitions

Repetitions

You are given a DNA sequence: a string consisting of characters A, C, G, and T. Your task is to find the longest repetition in the…
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Missing Number

Missing Number

You are given all numbers between 1,2,…,n1,2,…,n except one. Your task is to find the missing number.
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