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AtCoder Regular Contest 107
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Contest Duration:
2020-10-31 21:00:00+0900
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2020-10-31 22:40:00+0900
(local time) (100 minutes)
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Official
解説放送
by
admin
A - Simple Math
Official
Editorial
by
yosupo
B - Quadruple
Official
Editorial
by
sigma425
C - Shuffle Permutation
Official
Editorial
by
yosupo
D - Number of Multisets
Official
Editorial
by
yosupo
E - Mex Mat
Official
Editorial
by
yosupo
F - Sum of Abs
Official
Editorial
by
maroonrk
User Editorial
by
maspy
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