[ 牛客网暑期ACM多校训练营(第二场) ] B Discount

[ICM Technex 2018 and Codeforces Round #463][Codeforces 932E] Team Work

[2016-2017 ACM-ICPC, South Pacific Regional Contest (SPPC 16)]J Just Terraffic

【Codeforces 659G】Fence Divercity

【BZOJ2298】【HAOI2011】problem a

【Codeforces 8VC Venture Cup 2016 - Elimination Round】F Group Projects

【BZOJ4197】寿司晚宴

【BZOJ1003】物流运输