摘要:
1069 The Black Hole of Numbers (20 分) 1069 The Black Hole of Numbers (20 分) 1069 The Black Hole of Numbers (20 分) For any 4-digit integer except the o 阅读全文
摘要:
1058 A+B in Hogwarts (20 分) 1058 A+B in Hogwarts (20 分) 1058 A+B in Hogwarts (20 分) If you are a fan of Harry Potter, you would know the world of magi 阅读全文
摘要:
1054 The Dominant Color (20 分) 1054 The Dominant Color (20 分) 1054 The Dominant Color (20 分) Behind the scenes in the computer's memory, color is alwa 阅读全文
摘要:
5016. 删除最外层的括号 显示英文描述 我的提交返回竞赛 5016. 删除最外层的括号 显示英文描述 我的提交返回竞赛 我的提交返回竞赛 用户通过次数446 用户尝试次数469 通过次数456 提交次数577 题目难度Easy 有效括号字符串为空 ("")、"(" + A + ")" 或 A + 阅读全文
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
摘要:
1041 Be Unique (20 分) 1041 Be Unique (20 分) 1041 Be Unique (20 分) Being unique is so important to people on Mars that even their lottery is designed i 阅读全文
摘要:
1035 Password (20 分) 1035 Password (20 分) 1035 Password (20 分) To prepare for PAT, the judge sometimes has to generate random passwords for the users. 阅读全文
摘要:
1031 Hello World for U (20 分) 1031 Hello World for U (20 分) 1031 Hello World for U (20 分) Given any string of N (≥) characters, you are asked to form 阅读全文
摘要:
1027 Colors in Mars (20 分) 1027 Colors in Mars (20 分) 1027 Colors in Mars (20 分) People in Mars represent the colors in their computers in a similar w 阅读全文