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9710
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7
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AtCoder Beginner Contest 439
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Jan. 3, 2026
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104
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AtCoder Race Ranking 2025. Algorithm
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Dec. 30, 2025
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194
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AtCoder Race Ranking 2025. Heuristic
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Dec. 30, 2025
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620
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5
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AtCoder Grand Contest 076
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Dec. 28, 2025
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10926
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7
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AtCoder Beginner Contest 438
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Dec. 27, 2025
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243
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7
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Xmas Contest 2025
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Dec. 24, 2025
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763
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5
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AtCoder Grand Contest 075
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Dec. 21, 2025
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11021
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7
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UNIQUE VISION Programming Contest 2025 Christmas …(AtCoder Beginner Contest 437)
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Dec. 20, 2025
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805
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1
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ALGO ARTIS Programming Contest 2025 December（…AtCoder Heuristic Contest 058）
heuristic
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Dec. 14, 2025
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11366
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7
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AtCoder Beginner Contest 436
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Dec. 13, 2025
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20
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5
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第二回 AtCoder Japan Open -決勝-（オープンコンテスト）
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Dec. 13, 2025
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24
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5
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第二回 AtCoder Japan Open -決勝-
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Dec. 13, 2025
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10933
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7
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AtCoder Beginner Contest 435
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Dec. 6, 2025
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1062
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5
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AtCoder Regular Contest 211 (Div. 2)
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Nov. 30, 2025
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9235
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7
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Ｓｋｙ Inc, Programming Contest 2025 …(AtCoder Beginner Contest 434)
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Nov. 29, 2025
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701
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1
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AtCoder Heuristic Contest 057
heuristic
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Nov. 29, 2025
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11096
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7
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AtCoder Beginner Contest 433
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Nov. 22, 2025
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1107
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2
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heuristic
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Nov. 17, 2025
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1299
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6
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AtCoder Regular Contest 210
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Nov. 16, 2025
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9720
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7
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OMRON Corporation Programming Contest 2025 #2 …(AtCoder Beginner Contest 432)
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Nov. 15, 2025
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859
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5
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AtCoder Regular Contest 209 (Div. 1)
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Nov. 9, 2025
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9595
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7
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TOYOTA SYSTEMS Programming Contest 2025…（AtCoder Beginner Contest 431)
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Nov. 8, 2025
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191
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15
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東京科学大学プログラミングコンテスト2025 (Div. 2)
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Nov. 8, 2025
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53
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13
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東京科学大学プログラミングコンテスト2025 (Div. 1)
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Nov. 8, 2025
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406
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24
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FPS 24: 24 Problems on Formal Power Series
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Nov. 3, 2025
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8895
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7
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AtCoder Beginner Contest 430
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Nov. 1, 2025
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484
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5
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AtCoder Grand Contest 074
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Oct. 26, 2025
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10405
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7
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Oct. 25, 2025
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852
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1
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heuristic
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Oct. 19, 2025
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10786
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7
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AtCoder Beginner Contest 428
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Oct. 18, 2025
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1412
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5
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AtCoder Regular Contest 208 (Div. 2)
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Oct. 12, 2025
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10191
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7
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Panasonic Programming Contest 2025…（AtCoder Beginner Contest 427）
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Oct. 11, 2025
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990
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5
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AtCoder Regular Contest 207 (Div.1)
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Oct. 5, 2025
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11397
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7
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AtCoder Beginner Contest 426
|
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Oct. 4, 2025
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1197
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2
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ALGO ARTIS Programming Contest 2025 Summer（…AtCoder Heuristic Contest 054）
heuristic
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Sept. 29, 2025
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603
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4
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AtCoder Grand Contest 073
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Sept. 28, 2025
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9445
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7
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UNIQUE VISION Programming Contest 2025 Autumn …(AtCoder Beginner Contest 425)
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Sept. 27, 2025
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1509
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5
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AtCoder Regular Contest 206 (Div. 2)
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Sept. 21, 2025
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9097
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7
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AtCoder Beginner Contest 424
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Sept. 20, 2025
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9352
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7
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AtCoder Beginner Contest 423
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Sept. 14, 2025
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1069
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1
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12th Asprova Programming Contest（…AtCoder Heuristic Contest 053）
heuristic
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Sept. 13, 2025
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97
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7
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日本最強プログラマー学生選手権～Advance～
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Sept. 7, 2025
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6694
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7
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AtCoder Beginner Contest 422
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Sept. 7, 2025
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2829
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5
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AtCoder Regular Contest 205 (Div. 2)
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Sept. 6, 2025
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11788
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7
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AtCoder Beginner Contest 421
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Aug. 30, 2025
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10828
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7
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AtCoder Beginner Contest 420
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Aug. 24, 2025
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49
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6
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第六回日本最強プログラマー学生選手権 -決勝-
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Aug. 24, 2025
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819
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1
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AtCoder Heuristic Contest 052
heuristic
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Aug. 23, 2025
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815
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4
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AtCoder Regular Contest 204 (Div. 1)
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Aug. 17, 2025
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11996
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7
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AtCoder Beginner Contest 419
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Aug. 16, 2025
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