Влад
Kovalov
Ukraine
Joined Nov 27, 2018
Problems68
Submissions72
Kovalov solved problem Elective System (#1559) on first attempt11 months ago
Kovalov solved problem Banking reform (#1283) on first attempt11 months ago
Kovalov solved problem Platform Jumper (#1553) on first attempt11 months ago
Kovalov solved problem Grasshopper (#4051) on first attempt11 months ago
Kovalov solved problem Conscription (#182) on first attempt11 months ago
Kovalov solved problem The Directors’ Visitors (#66) on first attempt11 months ago
Kovalov solved problem Gas stations (#4211) on first attempt11 months ago
Kovalov solved problem Candies (#11666) on 10 attempt11 months ago
Kovalov solved problem Array Partition (#11664) on first attempt11 months ago
Kovalov solved problem Sum of neighbors (#11670) on 3 attempt11 months ago
Kovalov solved problem Fuad’s challenge (#11683) on first attempt11 months ago
Kovalov solved problem Hotels Along the Croatian Coast (#10682) on first attempt12 months ago
Kovalov solved problem Throwing cards away (#10143) on first attempt12 months ago
Kovalov solved problem Book shelf (#8355) on 3 attempt12 months ago
Kovalov solved problem Maximum Frequency Stack (#10379) on first attempt12 months ago
Kovalov solved problem Prime Generator (#4076) on 20 attempt12 months ago
Kovalov solved problem Primes (#3843) on 5 attempt12 months ago
Kovalov solved problem Super numbers (#2245) on 4 attempt12 months ago
Kovalov solved problem Almost Prime Numbers (#1302) on 7 attempt12 months ago
Kovalov solved problem The favourite numbers of Santa Claus (#33) on first attempt12 months ago
Kovalov solved problem "Mirror prime" numbers (#22) on 4 attempt12 months ago
Kovalov solved problem Cutting into Squares (#2612) on 3 attempt12 months ago
Kovalov solved problem Euclid Problem (#1155) on first attempt12 months ago
Kovalov solved problem Simple equation (#563) on first attempt12 months ago
Kovalov solved problem The vouchers (#6) on first attempt1 year ago