勇哥哥的ACM探险

Just the Facts The expression N!, read as ``N factorial," denotes the product of the firstN positive integers, whereN is nonnegative. So, for example,NN!011

Uniform Generator Computer simulations often require random numbers. One way to generatepseudo-random numbers is via a function of the formwhere `` " is the modulus operator.S

Light,more lightThe ProblemThere is man named "mabu" for switching on-off light in our University.He switches on-off the lights in a corridor. Every bulb has its own toggle switch. That is, if it

Pseudo-Random Numbers Computers normally cannot generate really random numbers, but frequentlyare used to generate sequences of pseudo-random numbers. These are generatedby some algorithm,

Problem BCode RefactoringTime Limit: 2 seconds"Harry, my dream is a code waiting to bebroken. Break the code, solve the crime."Agent CooperSeveral algorithms in modern crypto

Multiplying by Rotation Warning: Not all numbers in this problem are decimal numbers!Multiplication of natural numbers in general is a cumbersome operation. In somecases however the

Jugs In the movie ``Die Hard 3", Bruce Willis and Samuel L. Jackson were confrontedwith the followingpuzzle. They were given a 3-gallon jug and a 5-gallon jug and were asked tofill the 5-g