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1104 Sum of Number Segments (20 分) 1104 Sum of Number Segments (20 分) 1104 Sum of Number Segments (20 分) Given a sequence of positive numbers, a segme 阅读全文
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1100 Mars Numbers (20 分) 1100 Mars Numbers (20 分) 1100 Mars Numbers (20 分) People on Mars count their numbers with base 13: Zero on Earth is called "t 阅读全文
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1096 Consecutive Factors (20 分) 1096 Consecutive Factors (20 分) 1096 Consecutive Factors (20 分) Among all the factors of a positive integer N, there m 阅读全文
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1112 Stucked Keyboard (20 分) 1112 Stucked Keyboard (20 分) 1112 Stucked Keyboard (20 分) On a broken keyboard, some of the keys are always stucked. So w 阅读全文
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1116 Come on! Let's C (20 分) 1116 Come on! Let's C (20 分) 1116 Come on! Let's C (20 分) "Let's C" is a popular and fun programming contest hosted by th 阅读全文
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1120 Friend Numbers (20 分) 1120 Friend Numbers (20 分) 1120 Friend Numbers (20 分) Two integers are called "friend numbers" if they share the same sum o 阅读全文
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1124 Raffle for Weibo Followers (20 分) 1124 Raffle for Weibo Followers (20 分) 1124 Raffle for Weibo Followers (20 分) John got a full mark on PAT. He w 阅读全文
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1128 N Queens Puzzle (20 分) 1128 N Queens Puzzle (20 分) 1128 N Queens Puzzle (20 分) The "eight queens puzzle" is the problem of placing eight chess qu 阅读全文
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1132 Cut Integer (20 分) 1132 Cut Integer (20 分) 1132 Cut Integer (20 分) Cutting an integer means to cut a K digits lone integer Z into two integers of 阅读全文
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1136 A Delayed Palindrome (20 分) 1136 A Delayed Palindrome (20 分) 1136 A Delayed Palindrome (20 分) Consider a positive integer N written in standard n 阅读全文