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[51nod1789] 跑得比谁都快

From 7.8 To 7.14

[题解] [CF891C] Envy

[题解] [ZJOI2014] 力

[题解] [JSOI2010] 旅行

[题解] [JSOI2010] 找零钱的洁癖

[题解] [JSOI2013] 游戏中的学问

[JSOI2015] 子集选取

[JSOI2015] salesman

[题解] [JSOI2013] 强连通图

[题解] [HAOI2007] 修筑绿化带

[题解] [AGC005F] Many Easy Problems

[题解] [ZJOI2017] 仙人掌

[题解] [CQOI2011] 放棋子

[题解] [AGC013D] Piling Up

[题解] [清华集训 2017] 榕树之心

[题解] [CF938E] Max History

[题解] [Codechef] CNTL

[题解] [CF500F] New Year Shopping

[题解] [CF886E] Maximum Element