Cocoa:
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CF938D Buy a Ticket CF 999 div3 ZR8.31 Atcoder abc 139 CF1207B Square Filling CF1207A There Are Two Types Of Burgers CF1206B Make Product Equal One CF1206C Almost Equal CF1204C Anna, Svyatoslav and Maps CF1204B Mislove Has Lost an Array P4127 [AHOI2009]同类分布
CF938D Buy a Ticket
CF 999 div3
ZR8.31
Atcoder abc 139
CF1207B Square Filling
CF1207A There Are Two Types Of Burgers
CF1206B Make Product Equal One
CF1206C Almost Equal
CF1204C Anna, Svyatoslav and Maps
CF1204B Mislove Has Lost an Array
P4127 [AHOI2009]同类分布