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Luogu-4048 [JSOI2010]冷冻波 Codeforces Round #525 (Div. 2) Luogu-2495 [SDOI2011]消耗战 Luogu-3966 [TJOI2013]单词 Luogu-4248 [AHOI2013]差异 Luogu-3878 [TJOI2010]分金币 Luogu-2600 [ZJOI2008]瞭望塔 POJ-1556 The Doors POJ-1066 Treasure Hunt POJ-1269 Intersecting Lines POJ-3130 How I Mathematician Wonder What You Are!
Luogu-4048 [JSOI2010]冷冻波
Codeforces Round #525 (Div. 2)
Luogu-2495 [SDOI2011]消耗战
Luogu-3966 [TJOI2013]单词
Luogu-4248 [AHOI2013]差异
Luogu-3878 [TJOI2010]分金币
Luogu-2600 [ZJOI2008]瞭望塔
POJ-1556 The Doors
POJ-1066 Treasure Hunt
POJ-1269 Intersecting Lines
POJ-3130 How I Mathematician Wonder What You Are!