• Bio

    *...

    *heya.

    *you've been busy huh?

    *do you think even a worst person can change?

    *well i got you answer.

    *anyways, here we go.

  • Accepted Problems

  • Recent Activities

    This person is lazy and didn't join any contests or homework.
  • Recent Solutions

    This person is lazy and didn't write any solutions.

Problem Tags

客观题
1