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E. Tree Folding time limit per test2 seconds memory limit per test512 megabytes inputstandard input outputstandard output Vanya wants to minimize a tree. He can perform the following operation mul

Problem E. What a Ridiculous Election Description In country Light Tower, a presidential election is going on. There are two candidates, Mr. X1 and Mr. X2, and both of them are not like good persons

D. Police Stations time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Inzane finally found Zane with a lot of money to spare, so they togethe

Saving Tang MonkTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2550 Accepted Submission(s): 897Problem Description 《Journey to the West》(a