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PKU v. THU (Preliminary Round 2)
Time Limit: 3.0 s
Memory Limit: 512 MB
Hackable ✓
# 6836. A Plus B Problem
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The problem was used in the following contest:
第七届中国大学生程序设计竞赛 桂林站（CCPC 2021 Guilin）
XXII Open Cup named after E.V. Pankratiev, Grand Prix of EDG
This problem is prepared by
heltion
.
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