Uploaded July 2025 | Updated September 2026, 2 weeks ago

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Solving AtCoder problems about algorithms and data structures. AtCoder Beginner Contest 413 atcoder.jp/contests/abc413/tasks

also streaming on twitch.tv/errichto

0:00 start
9:32 A
12:37 B
20:48 C
40:20 D
50:50 E
1:08:37 F
2:44:25 G