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  • OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 35

    思考题 for 2020 DuiLian 二十年飞花不尽 一几度落月无穷 九州同乐 Of twenty years, the flower never withers In one eternity, the moon forever remains Enjoy it together It's 2020 soon. It's time for the biggest holiday - The Yuandan and the Chinese Ne……
    XGN 2019-12-31
  • OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 34

    思考题 about cheating Lottery Cheating Let's have some lottery! In this lottery system, a number string S and an array of integers A is predetermined. It is known that |A|=|S| and let's define A_0=0. Each user chooses a number string T(|T|=|S|). Th……
    XGN 2019-12-10
  • OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 33

    思考题 Times A shadow pokemon! Recently the famous game Pokemon SwordString was released. XGN, one of the biggest fan of Pokemon, decided to have a try. In each battle, your Pokemon can be seen as a string A and the enemy can be seen as a string B.……
    XGN 2019-12-09
  • OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 32

    思考题 in one sentence Yet Another Easy Problem Find any positive integer pair a,b so that (a+b)+(a+b)\mod k=n where k,n are given or -1 -1 if not found. Examples Input K=100 N=268 Output 200 34 Explain 200+34+(200+34)mod 100=234+34=268 Input K=100……
    XGN 2019-12-04