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Problem ID
Title
Source/Category
Solved
Submit
1520
Carpets
NOIP2011
11
35
1521
选择客栈
NOIP2011
5
10
1522
Mayan游戏
NOIP2011
0
0
1523
多项式系数
NOIP2011
9
28
1524
聪明的质监员
NOIP2011
0
0
1525
观光公交
NOIP2011
0
0
1526
Digital inversion
NOIP2011
15
21
1527
统计单词数
NOIP2011
17
62
1528
瑞士轮
NOIP2011
0
0
1529
表达式的值
NOIP2011
0
0