• Bio

    This person is lazy and didn't write anything.
  • 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.
  • Stat

  • Rating

Problem Tags

2006
1
2007
1
2017
1
BJOI
1
FJOI
1
O2优化
1
最大流
1
DP
1
线段树
1
树形 DP
1
雅礼集训
1