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papaz239
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michail
papaz239
Ukraine
Ukraine
Joined May 22, 2022
Achievements (1)
Problem Solver
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2026
papaz239 solved problem Spanning Tree (#10754) on first attempt29 days ago
papaz239 solved problem Game (#456) on 3 attempt1 month ago
papaz239 solved problem Kth Sentence (#3285) on first attempt1 month ago
papaz239 solved problem Virus Tree 2 (#10655) on first attempt1 month ago
papaz239 solved problem IQ Test (#6401) on first attempt2 months ago
papaz239 solved problem Bicube (#3399) on first attempt2 months ago
papaz239 left a comment in discussion Fibonacci Prime Numbers (#7811)2 months ago

Hey there! I did some research and found this: https://oeis.org/A001605. And seems like nobody knows more numbers. And because my submission fails, maybe author can prove that his answer correct?

papaz239 solved problem Ball in a hexagon (#1448) on first attempt2 months ago
papaz239 solved problem Generous Vasya (#7815) on first attempt2 months ago
papaz239 solved problem Cyber hack (#11149) on first attempt3 months ago
papaz239 solved problem International Language Olympiad (#9034) on first attempt3 months ago
papaz239 solved problem A very friendly group (#1902) on first attempt3 months ago
papaz239 solved problem Dessert Preparation (#2502) on first attempt3 months ago
papaz239 solved problem Spy Cam (#1386) on 2 attempt3 months ago
papaz239 solved problem Hippodrome (#5989) on first attempt4 months ago
papaz239 solved problem Chess Club (#7093) on first attempt4 months ago
papaz239 solved problem Clock Tree (#10122) on first attempt5 months ago
papaz239 solved problem Permutations strike back (#2956) on 4 attempt5 months ago
papaz239 solved problem Strong tiling (#1863) on first attempt5 months ago
papaz239 solved problem Snow Boots (#10409) on first attempt5 months ago
papaz239 solved problem Find a multiple (#5621) on first attempt5 months ago
papaz239 solved problem Secret Commands "Retreat" (#4265) on 2 attempt6 months ago
papaz239 solved problem Queen (#1418) on first attempt6 months ago
papaz239 solved hidden problem on first attempt6 months ago
papaz239 solved problem Patisserie ACM (#3772) on first attempt6 months ago