入门模拟 1042 Shuffling Machine (20 分) 1046 Shortest Distance (20 分) 1065 A+B and C (64bit) (20 分) 1002 A+B for Polynomials (25 分) 1009 Product of Polynomials (25 分) 查找元素 1011 World Cup Betting (20 分) 1006 Sign In and Sign Out (25 分) 1036 Boys vs Girls (25 分) 进制转换 1019 General Palindromic Number (20 分) 1027 Colors in Mars (20 分) 1058 A+B in Hogwarts (20 分)