$2 \bigoplus 10= 8$

=====图论=====

[[mst|最小生成树]]

[[toposort|拓扑排序]]

[[tarjan|Tarjan算法]]

[[circuit|回路问题]]

[[dualgraph|对偶图]]

[[diameterandweight|树的直径和重心]]

[[lca|LCA问题]]

[[treechain|树链剖分]]

[[treediff|树上差分]]

=====个人训练=====

[[codeforces645div2|Codeforces645 Div2]] ''prob:4/5/6'' ''rank:523''

2020.7.17 [[tyxaisingprogrammingcontest2020|AIsing Programming Contest 2020]] ''prob:4/5/6'' ''rank:933''

2020.7.21 [[codeforces658div2|Codeforces Round #658]] ''prob:5/5/6'' ''rank:114''

2020.7.24 [[topcodersrm788div2|Topcoder SRM 788 DIV2]] ''prob:3/3/3''

2020.7.25 [[m-solutionsprogrammingcontest2020|M-SOLUTIONS Programming Contest 2020]] ''prob:5/5/6'' ''rank:282''

2020.7.30 [[codeforces660div2|Codeforces Round #660]] ''prob:4/4/5'' ''rank:261''

2020.8.2 [[abc174|Atcoder Beginner Contest 174]] ''prob:6/6/6'' ''rank:281''

2020.8.29 [[abc177|Atcoder Beginner Contest 177]] ''prob:5/6/6'' ''rank:638''