Codeforces problemset search & solutions
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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
322 Colors *special binary search constructive algorithms interactive Statement A Baltic Olympiad in Informatics 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1386} PROGRAMMING T
143 XOR Guessing *special interactive Statement G Kotlin Heroes: Practice 8 {1570} PROGRAMMING
156 Expected Twist *special interactive Statement H April Fools Day Contest 2023 {1812} PROGRAMMING Editorial of April Fools Day Contest 2023
24 Draw Polygon Lines *special constructive algorithms dp geometry interactive Statement A XVIII Open Olympiad in Informatics - Final Stage, Day 1 (Unrated, Online Mirror, IOI rules) {1939} PROGRAMMING
229 Uppercase or Lowercase? *special *special interactive Statement D Kotlin Heroes: Episode 12 {2087} PROGRAMMING
4793 Plinko *special games interactive Statement B April Fools Day Contest 2025 {2095} PROGRAMMING