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1.考虑文法 $E E+E$ $E E E$ $E id$ 2.最右推导 不难看出,这个文法是而二义的,所以有多个最右推导 3.移进归约 用一个栈存文法符号,用输入缓存区保存要分析的输入串,用$标记栈底 include include include include include using na 阅读全文
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An Easy Physics Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 3845 Accepted Submission( 阅读全文
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1118 - Incredible Molecules PDF (English) Statistics Forum Time Limit: 0.5 second(s) Memory Limit: 32 MB PDF (English) Statistics Forum Time Limit: 0. 阅读全文
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1203 - Guarding Bananas PDF (English) Statistics Forum Time Limit: 3 second(s) Memory Limit: 32 MB Once there was a lazy monkey in a forest. But he lo 阅读全文
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Ultimate Weapon Time Limit: 2000MS Memory Limit: 131072K Total Submissions: 2430 Accepted: 1173 Description In year 2008 of the Cosmic Calendar, the A 阅读全文
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Pyramids Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3451 Accepted: 1123 Special Judge Description Recently in Farland, a country in As 阅读全文