[摘要] Given two wordsword1andword2, find the minimum number of steps required to convertword1toword2. (each operation is counted as 1 step.)You have the fol[全文]
[摘要] XGG BlogCF527A Playing with PaperCF527B Error Correct SystemCF527C Glass CarvingCF527D Clique ProblemCF527E Data Center DramaCF527A Playing with Paper[全文]
[摘要] Given a 2d grid map of'1's (land) and'0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent [全文]
