| CF317D | CF317D Game with Powers |
| CF319B | CF319B Psychos in a Line |
| CF321C | CF321C Ciel the Commander |
| CF321D | CF321D Ciel and Flipboard |
| CF321E | CF321E Ciel and Gondolas |
| CF325D | CF325D Reclamation |
| CF325E | CF325E The Red Button |
| CF327E | CF327E Axis Walking |
| CF331C2 | CF331C2 The Great Julya Calendar |
| CF331C3 | CF331C3 The Great Julya Calendar |
| CF333E | CF333E Summer Earnings |
| CF337D | CF337D Book of Evil |
| CF338D | CF338D GCD Table |
| CF338E | CF338E Optimize! |
| CF341D | CF341D Iahub and Xors |
| CF341E | CF341E Candies Game |
| CF343E | CF343E Pumping Stations |
| CF346B | CF346B Lucky Common Subsequence |
| CF348A | CF348A Mafia |
| CF348B | CF348B Apple Tree |
| CF348C | CF348C Subset Sums |
| CF348D | CF348D Turtles |
| CF348E | CF348E Pilgrims |
| CF351C | CF351C Jeff and Brackets |
| CF351D | CF351D Jeff and Removing Periods |
| CF351E | CF351E Jeff and Permutation |
| CF354D | CF354D Transferring Pyramid |
| CF356D | CF356D Bags and Coins |
| CF356E | CF356E Xenia and String Problem |
| CF35E | CF35E Parade |
| CF360B | CF360B Levko and Array |
| CF360D | CF360D Levko and Sets |
| CF362E | CF362E Petya and Pipes |
| CF364D | CF364D Ghd |
| CF364E | CF364E Empty Rectangles |
| CF366C | CF366C Dima and Salad |
| CF367E | CF367E Sereja and Intervals |
| CF369D | CF369D Valera and Fools |
| CF372C | CF372C Watching Fireworks is Fun |
| CF375C | CF375C Circling Round Treasures |
| CF375D | CF375D Tree and Queries |
| CF375E | CF375E Red and Black Tree |
| CF377D | CF377D Developing Game |
| CF37C | CF37C Old Berland Language |
| CF37E | CF37E Trial for Chief |
| CF380C | CF380C Sereja and Brackets |
| CF383B | CF383B Volcanoes |
| CF383C | CF383C Propagating tree |
| CF383E | CF383E Vowels |
| CF385D | CF385D Bear and Floodlight |
| CF387D | CF387D George and Interesting Graph |
| CF388C | CF388C Fox and Card Game |
| CF388D | CF388D Fox and Perfect Sets |
| CF39C | CF39C Moon Craters |
| CF3B | CF3B Lorry |
| CF3D | CF3D Least Cost Bracket Sequence |
| CF405D | CF405D Toy Sum |
| CF412D | CF412D Giving Awards |
| CF413E | CF413E Maze 2D |
| CF416D | CF416D Population Size |
| CF417D | CF417D Cunning Gena |
| CF420D | CF420D Cup Trick |
| CF427D | CF427D Match & Catch |
| CF429C | CF429C Guess the Tree |
| CF431C | CF431C k-Tree |
| CF434D | CF434D Nanami's Power Plant |
| CF436E | CF436E Cardboard Box |
| CF437C | CF437C The Child and Toy |
| CF438D | CF438D The Child and Sequence |
| CF438E | CF438E The Child and Binary Tree |
| CF439E | CF439E Devu and Birthday Celebration |
| CF442C | CF442C Artem and Array |
| CF442D | CF442D Adam and Tree |
| CF444C | CF444C DZY Loves Colors |
| CF446B | CF446B DZY Loves Modification |
| CF446C | CF446C DZY Loves Fibonacci Numbers |
| CF448C | CF448C Painting Fence |
| CF448E | CF448E Divisors |
| CF449C | CF449C Jzzhu and Apples |
| CF449D | CF449D Jzzhu and Numbers |
| CF450B | CF450B Jzzhu and Sequences |
| CF452D | CF452D Washer, Dryer, Folder |
| CF452E | CF452E Three strings |
| CF452F | CF452F Permutation |
| CF453E | CF453E Little Pony and Lord Tirek |
| CF455B | CF455B A Lot of Games |
| CF455C | CF455C Civilization |
| CF455D | CF455D Serega and Fun |
| CF45G | CF45G Prime Problem |
| CF460C | CF460C Present |
| CF460D | CF460D Little Victor and Set |
| CF461B | CF461B Appleman and Tree |
| CF461D | CF461D Appleman and Complicated Task |
| CF464D | CF464D World of Darkraft - 2 |
| CF464E | CF464E The Classic Problem |
| CF467D | CF467D Fedor and Essay |
| CF468C | CF468C Hack it! |
| CF468E | CF468E Permanent |
| CF471D | CF471D MUH and Cube Walls |
| CF472D | CF472D Design Tutorial: Inverse the Problem |
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