Editorial
Overall Editorial
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PracticeA - Welcome to AtCoder
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ABC086A - Product
ABC081A - Placing Marbles
ABC081B - Shift only
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ABC087B - Coins
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ABC083B - Some Sums
ABC088B - Card Game for Two
ABC085B - Kagami Mochi
ABC085C - Otoshidama
ABC049C - Daydream
ABC086C - Traveling
PracticeB - Interactive Sorting
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FutureContest2019FinalA - モンスターテイマー
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Practice2A - Disjoint Set Union
Practice2B - Fenwick Tree
Practice2C - Floor Sum
Practice2D - Maxflow
Practice2E - MinCostFlow
Practice2F - Convolution
Practice2G - SCC
Practice2H - Two SAT
Practice2I - Number of Substrings
Practice2J - Segment Tree
Practice2K - Range Affine Range Sum
Practice2L - Lazy Segment Tree
memorytest - Memory Test 2
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ABC259B - Counterclockwise Rotation
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Official
解説 by
m_99
- Official Editorial by en_translator
- Official 解説 by admin
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ユーザ解説 by
Trineutron
ABC244C - Yamanote Line Game
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Official
解説 by
leaf1415
- Official Editorial by en_translator
- Official 解説放送 by editorial_admin
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ユーザ解説 by
rsk0315
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ユーザ解説 by cirno3153
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User Editorial by rui_er
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ユーザ解説 by drken
ABC169B - Multiplication 2
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ユーザ解説 by
hamayanhamayan
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筋肉的解法 by cirno3153
ABC345G - Sugoroku 5
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Official
解説 by
Nyaan
- Official Editorial by en_translator
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ユーザ解説 by
KumaTachiRen
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ユーザ解説 by
potato167
ABC370D - Cross Explosion
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Official
解説 by Nyaan
- Official Editorial by en_translator
- Official 解説放送 by editorial_admin
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ordered set を使わない解法 by toam
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より大きい制約で解く方法 by
hiro1729
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さらにより大きい制約で解く方法 (O(Q log Q) 解法) by toam
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ユーザ解説 by drken
ABC358D - Souvenirs
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Official
解説 by cn449
- Official 解説放送 by editorial_admin
- Official Editorial by en_translator
ABC385D - Santa Claus 2
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Official
解説 by kyopro_friends
- Official Editorial by en_translator
- Official 解説放送 by editorial_admin
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ユーザ解説 by drken
DP_G - Longest Path
DP_J - Sushi
DP_L - Deque
ABC325D - Printing Machine
ABC328E - Modulo MST
AHC040A - Packing Uncertain Rectangles
ABC411F - Contraction
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Official
解説 by
mechanicalpenciI
- Official Editorial by en_translator
- Official 解説放送 by editorial_admin
ABC421E - Yacht
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Official
解説 by kyopro_friends
- Official Editorial by en_translator
- Official 解説放送 by editorial_admin