摘要:
1050 String Subtraction (20 分) 1050 String Subtraction (20 分) 1050 String Subtraction (20 分) Given two strings S1 and S2, S=S1−S2 is defin 阅读全文
摘要:
1046 Shortest Distance (20 分) 1046 Shortest Distance (20 分) 1046 Shortest Distance (20 分) The task is really simple: given N exits on a highway which 阅读全文