SunMoonVocano的博客

«One dragon. Two dragon. Three dragon», — the princess was counting. She had trouble falling asleep, and she got bored of counting lambs when she was nine. However, just counting dragons was boring a

There is an equation ax + by + c = 0. Given a,b,c,x1,x2,y1,y2 you must determine, how many integer roots of this equation are satisfy to the following conditions : x1<=x<=x2,   y1<=y<=y2. ...

链接：https://www.nowcoder.com/acm/contest/142/A 来源：牛客网 A ternary string is a sequence of digits, where each digit is either 0, 1, or 2. Chiaki has a ternary string s which can self-reproduce. Every sec...

F. The Neutral Zone time limit per test 5 seconds memory limit per test 16 megabytes input standard input output standard output Notice: unusual memory limit! After the war, destroyed cities...