C++

題目

Given a string s, return true if the s can be palindrome after deleting at most one character from it.

題目

Write a function that reverses a string. The input string is given as an array of characters s.

… Read More »LeetCode: 74-Search a 2D Matrix 解題紀錄

題目

There is an integer array nums sorted in non-decreasing order (not necessarily with distinct values).

題目

You are given an m x n binary matrix mat of 1‘s (representing soldiers) and 0‘s (representing civilians). The soldiers are positioned in front of the civilians. That is, all the 1‘s will appear to the left of all the 0‘s in each row.

題目

Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, then return its index. Otherwise, return -1.

題目

A company is planning to interview 2n people. Given the array costs where costs[i] = [aCosti, bCosti], the cost of flying the ith person to city a is aCosti, and the cost of flying the ith person to city b is bCosti.

題目

You are given an array people where people[i] is the weight of the ith person, and an infinite number of boats where each boat can carry a maximum weight of limit. Each boat carries at most two people at the same time, provided the sum of the weight of those people is at most limit.

題目

There is a broken calculator that has the integer startValue on its display initially. In one operation, you can: