摘要:
Problem Statement Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijecti 阅读全文
摘要:
Problem Statement Given two strings s and t, determine if they are isomorphic. Given two strings s and t, determine if they are isomorphic. Two string 阅读全文
摘要:
Problem Statement Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijecti 阅读全文
摘要:
Problem Statement In a 1 million by 1 million grid, the coordinates of each grid square are (x, y) with 0 <= x, y < 10^6. In a 1 million by 1 million 阅读全文