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B-number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description A wqb-number, or B-number for short, is 阅读全文
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1026: [SCOI2009]windy数 Description windy定义了一种windy数。不含前导零且相邻两个数字之差至少为2的正整数被称为windy数。 windy想知道,在A和B之间,包括A和B,总共有多少个windy数? windy定义了一种windy数。不含前导零且相邻两个数字 阅读全文
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Bomb Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) Problem Description The counter-terrorists found a time bomb in 阅读全文
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E. Weakness and Poorness time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a 阅读全文