# 标题 奖励 解出人数
1260
Pairs of integers
9.9
1259
Library
8.9 x 2
1258
Statistical trouble
9.9
1257
Chemical reactions
9.9
1256 Cable master 5.7 x 9
1255
Brackets sequence
4.3 x 17
1254
Team them up!
8.7 x 2
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