leetcode中求最大共线的点的数量，题目leetcode上有-Given n points on a 2D plane, find the maximum number of points that lie on the same straight line.

Package consists of 3 files. First, to calculate number of deletions required in a string so that no two consecutive characters are same, where string consists of only 2 characers with repetition. Second to detect if a string contains all english alp