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Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2)C Codeforces Round #516 (Div. 2, by Moscow Team Olympiad) B &^作用 CodeFores Round53(div.2) D.Berland Fair HDOJ 2094(拓扑排序) HDOJ 3342(拓扑排序) HDOJ 2647(拓扑排序) hihocode#1174(拓扑排序判环模板) POJ 2251 POJ 1321
Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2)C
Codeforces Round #516 (Div. 2, by Moscow Team Olympiad) B
&^作用
CodeFores Round53(div.2) D.Berland Fair
HDOJ 2094(拓扑排序)
HDOJ 3342(拓扑排序)
HDOJ 2647(拓扑排序)
hihocode#1174(拓扑排序判环模板)
POJ 2251
POJ 1321