ID Problem Show tags Hide tags AC / Tried Difficulty
2015 P50B   Choosing Symbol Pairs 0 / 0 (None)
2016 P50D   Bombing 0 / 0 (None)
2017 P51A   Cheaterius's Problem 0 / 0 (None)
2018 P51C   Three Base Stations 0 / 0 (None)
2019 P51E   Pentagon 0 / 0 (None)
2020 P51F   Caterpillar 0 / 0 (None)
2021 P52B   Right Triangles 0 / 0 (None)
2022 P53A   Autocomplete 0 / 0 (None)
2023 P53B   Blog Photo 0 / 0 (None)
2024 P53D   Physical Education 0 / 0 (None)
2025 P54A   Presents 0 / 0 (None)
2026 P54B   Cutting Jigsaw Puzzle 0 / 0 (None)
2027 P54D   Writing a Song 0 / 0 (None)
2028 P55A   Flea travel 0 / 0 (None)
2029 P55C   Pie or die 0 / 0 (None)
2030 P55E   Very simple problem 0 / 0 (None)
2031 P56B   Spoilt Permutation 0 / 0 (None)
2032 P56C   Corporation Mail 0 / 0 (None)
2033 P56E   Domino Principle 0 / 0 (None)
2034 P57B   Martian Architecture 0 / 0 (None)

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