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$2 \bigoplus 10= 8$ =====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''