平行空间

Cow BowlingDescriptionThe cows don’t use actual bowling balls when they go bowling. They each take a number (in the range 0..99), though, and line up in a standard bowling-pin-like triangle like this:

1004. 成绩排名 (20)

1003. 我要通过！(20)

1002. 写出这个数 (20)

1001. 害死人不偿命的(3n+1)猜想 (15)

1001. A+B Format (20)