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Problem A. Age Sort
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BJTU Summer Training 2017 Lecture 2 Practice - Essential Data Structure and Practical STL
A - Age Sort
B - Open Credit System
C - Calculator Conundrum
D - Demanding Dilemma
E - I Can Guess the Data Structure!
F - Easy Problem from Rujia Liu?
G - K Smallest Sums
H - Broken Keyboard (a.k.a. Beiju Text)
I - Almost Union-Find
J - New Year Permutation
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