Codeforces problemset search & solutions
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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
310 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
151 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