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Problem ID
Title
Source/Category
Solved
Submit
1208
比例简化
NOIP2014
普及t2
52
91
1734
珠心算测验
NOIP2014
普及t1
35
116
1736
螺旋矩阵
NOIP2014
普及t3
24
108
1737
子矩阵
NOIP2014
普及t4
21
79