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DFS问题。 Problem Description === Op tech briefing, 2002/11/02 06:42 CST === "The item is locked in a Klein safe…

数论 Problem Description Computer simulations often require random numbers. One way to generate pseudo-random num…

Problem Description Once there was a special graph. This graph had n vertices and some edges. Each edge was either whi…

Problem Description We all know that Bin-Laden is a notorious terrorist, and he has disappeared for a long time. But r…

Problem Description Most bicycle speedometers work by using a Hall Effect sensor fastened to the front fork of the bic…

该来的总是会来的，写一道最头痛的网络流问题。 Problem Description Loneknight hates attending class very much. Ever…

Problem Description Reverse Polish notation (RPN) is a method for representing expressions in which the operator symbo…

Problem Description Given an integer N(0 ≤ N ≤ 10000), your task is to calculate N! Input One N in one line, pr…

Here is a famous story in Chinese history. "That was about 2300 years ago. General Tian Ji was a high official in the …

Problem Description 《Shui Hu Zhuan》，also 《Water Margin》was written by Shi Nai'an -- an writer of Yuan and Ming dy…