zjbh89757的专栏

B. Minimum number of stepstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWe have a string of letters 'a' a

A. Alice and Bobtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIt is so boring in the summer holiday, isn

B. Polo the Penguin and Housestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle penguin Polo loves hi

C. Polo the Penguin and XOR operationtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle penguin Polo l

C. Mediantime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA median in an array with the length of n is an e

A. Xenia and Divisorstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputXenia the mathematician has a sequence

A. NP-Hard Problemtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, Pari and Arya did some research about NP-Hard problems and t

B. Remainders Gametime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputToday Pari and Arya are playing a game ca