String:Trie

# ID Name Difficulty Solver
1 abc353_e E. Yet Another Sigma Problem 1217 5052
2 abc377_g G. Edit to Match 1782 1690
3 agc047_b B. First Second 1871 1526
4 abc268_g G. Random Student ID 2311 855
5 arc087_c E. Prefix-free Game 2431 1016
6 abc254_h Ex. Multiply or Divide by 2 2499 992
7 codefestival_2016_qualB_e E. Lexicographical disorder 2576 417
8 joisc2010_dna dna. DNAの合成 (DNA Synthesizer) null 302
9 tenka1_2016_final_c C. たんごたくさん null 265
10 utpc2014_e E. 宝くじ null 149