| 300819 | CF156E. Mrs. Hudson's Pancakes | 0 | 0 | 0.000% |
| 300820 | CF157A. Game Outcome | 0 | 0 | 0.000% |
| 300821 | CF157B. Trace | 0 | 0 | 0.000% |
| 300822 | CF157C. Message | 0 | 0 | 0.000% |
| 300823 | CF157D. Suspects | 0 | 0 | 0.000% |
| 300824 | CF157E. Cipher | 0 | 0 | 0.000% |
| 300825 | CF158A. Next Round | 0 | 0 | 0.000% |
| 300826 | CF158B. Taxi | 0 | 0 | 0.000% |
| 300827 | CF158C. Cd and pwd commands | 0 | 0 | 0.000% |
| 300828 | CF158D. Ice Sculptures | 0 | 0 | 0.000% |
| 300829 | CF158E. Phone Talks | 0 | 0 | 0.000% |
| 300830 | CF159A. Friends or Not | 0 | 0 | 0.000% |
| 300831 | CF159B. Matchmaker | 0 | 0 | 0.000% |
| 300832 | CF159C. String Manipulation 1.0 | 0 | 0 | 0.000% |
| 300833 | CF159D. Palindrome pairs | 0 | 0 | 0.000% |
| 300834 | CF159E. Zebra Tower | 0 | 0 | 0.000% |
| 300835 | CF160A. Twins | 0 | 0 | 0.000% |
| 300836 | CF160B. Unlucky Ticket | 0 | 0 | 0.000% |
| 300837 | CF160C. Find Pair | 0 | 0 | 0.000% |
| 300838 | CF160D. Edges in MST | 0 | 0 | 0.000% |
| 300839 | CF160E. Buses and People | 0 | 0 | 0.000% |
| 300840 | CF161A. Dress'em in Vests! | 0 | 0 | 0.000% |
| 300841 | CF161B. Discounts | 0 | 0 | 0.000% |
| 300842 | CF161C. Abracadabra | 0 | 0 | 0.000% |
| 300843 | CF161D. Distance in Tree | 0 | 0 | 0.000% |
| 300844 | CF161E. Polycarpus the Safecracker | 0 | 0 | 0.000% |
| 300845 | CF162A. Pentagonal numbers | 0 | 0 | 0.000% |
| 300846 | CF162B. Binary notation | 0 | 0 | 0.000% |
| 300847 | CF162C. Prime factorization | 0 | 0 | 0.000% |
| 300848 | CF162D. Remove digits | 0 | 0 | 0.000% |
| 300849 | CF162E. HQ9+ | 0 | 0 | 0.000% |
| 300850 | CF162F. Factorial zeros | 0 | 0 | 0.000% |
| 300851 | CF162G. Non-decimal sum | 0 | 0 | 0.000% |
| 300852 | CF162H. Alternating case | 0 | 0 | 0.000% |
| 300853 | CF162I. Truncatable primes | 0 | 0 | 0.000% |
| 300854 | CF162J. Brackets | 0 | 0 | 0.000% |
| 300855 | CF163A. Substring and Subsequence | 0 | 0 | 0.000% |
| 300856 | CF163B. Lemmings | 0 | 0 | 0.000% |
| 300857 | CF163C. Conveyor | 0 | 0 | 0.000% |
| 300858 | CF163D. Large Refrigerator | 0 | 0 | 0.000% |
| 300859 | CF163E. e-Government | 0 | 0 | 0.000% |
| 300860 | CF164A. Variable, or There and Back Again | 0 | 0 | 0.000% |
| 300861 | CF164B. Ancient Berland Hieroglyphs | 0 | 0 | 0.000% |
| 300862 | CF164C. Machine Programming | 0 | 0 | 0.000% |
| 300863 | CF164D. Minimum Diameter | 0 | 0 | 0.000% |
| 300864 | CF164E. Polycarpus and Tasks | 0 | 0 | 0.000% |
| 300865 | CF165A. Supercentral Point | 0 | 0 | 0.000% |
| 300866 | CF165B. Burning Midnight Oil | 0 | 0 | 0.000% |
| 300867 | CF165C. Another Problem on Strings | 0 | 0 | 0.000% |
| 300868 | CF165D. Beard Graph | 0 | 0 | 0.000% |
| 300869 | CF165E. Compatible Numbers | 0 | 0 | 0.000% |
| 300870 | CF166A. Rank List | 0 | 0 | 0.000% |
| 300871 | CF166B. Polygons | 0 | 0 | 0.000% |
| 300872 | CF166C. Median | 0 | 0 | 0.000% |
| 300873 | CF166D. Shoe Store | 0 | 0 | 0.000% |
| 300874 | CF166E. Tetrahedron | 0 | 0 | 0.000% |
| 300875 | CF167A. Wizards and Trolleybuses | 0 | 0 | 0.000% |
| 300876 | CF167B. Wizards and Huge Prize | 0 | 1 | 0.000% |
| 300877 | CF167C. Wizards and Numbers | 0 | 0 | 0.000% |
| 300878 | CF167D. Wizards and Roads | 0 | 0 | 0.000% |
| 300879 | CF167E. Wizards and Bets | 0 | 0 | 0.000% |
| 300880 | CF168A. Wizards and Demonstration | 0 | 0 | 0.000% |
| 300881 | CF168B. Wizards and Minimal Spell | 0 | 0 | 0.000% |
| 300882 | CF168C. Wizards and Trolleybuses | 0 | 0 | 0.000% |
| 300883 | CF168D. Wizards and Huge Prize | 0 | 0 | 0.000% |
| 300884 | CF168E. Wizards and Numbers | 0 | 0 | 0.000% |
| 300885 | CF169A. Chores | 0 | 0 | 0.000% |
| 300886 | CF169B. Replacing Digits | 0 | 0 | 0.000% |
| 300887 | CF169C. Substring and Subsequence | 0 | 0 | 0.000% |
| 300888 | CF169D. Lemmings | 0 | 0 | 0.000% |
| 300889 | CF169E. Conveyor | 0 | 0 | 0.000% |
| 300890 | CF170A. Placing Rectangles | 0 | 0 | 0.000% |
| 300891 | CF171A. Mysterious numbers - 1 | 0 | 0 | 0.000% |
| 300892 | CF171B. Star | 0 | 0 | 0.000% |
| 300893 | CF171C. A Piece of Cake | 0 | 0 | 0.000% |
| 300894 | CF171D. Broken checker | 0 | 0 | 0.000% |
| 300895 | CF171E. MYSTERIOUS LANGUAGE | 0 | 0 | 0.000% |
| 300896 | CF171F. ucyhf | 0 | 0 | 0.000% |
| 300897 | CF171G. Mysterious numbers - 2 | 0 | 0 | 0.000% |
| 300898 | CF171H. A polyline | 0 | 0 | 0.000% |
| 300899 | CF172A. Phone Code | 0 | 2 | 0.000% |
| 300900 | CF172B. Pseudorandom Sequence Period | 0 | 0 | 0.000% |
| 300901 | CF172C. Bus | 0 | 0 | 0.000% |
| 300902 | CF172D. Calendar Reform | 0 | 0 | 0.000% |
| 300903 | CF172E. BHTML+BCSS | 0 | 0 | 0.000% |
| 300904 | CF173A. Rock-Paper-Scissors | 0 | 0 | 0.000% |
| 300905 | CF173B. Chamber of Secrets | 0 | 0 | 0.000% |
| 300906 | CF173C. Spiral Maximum | 0 | 0 | 0.000% |
| 300907 | CF173D. Deputies | 0 | 0 | 0.000% |
| 300908 | CF173E. Camping Groups | 0 | 0 | 0.000% |
| 300909 | CF174A. Problem About Equation | 0 | 0 | 0.000% |
| 300910 | CF174B. File List | 0 | 0 | 0.000% |
| 300911 | CF174C. Range Increments | 0 | 0 | 0.000% |
| 300912 | CF174D. Variable, or There and Back Again | 0 | 0 | 0.000% |
| 300913 | CF174E. Ancient Berland Hieroglyphs | 0 | 0 | 0.000% |
| 300914 | CF175A. Robot Bicorn Attack | 0 | 0 | 0.000% |
| 300915 | CF175B. Plane of Tanks: Pro | 0 | 0 | 0.000% |
| 300916 | CF175C. Geometry Horse | 0 | 0 | 0.000% |
| 300917 | CF175D. Plane of Tanks: Duel | 0 | 0 | 0.000% |
| 300918 | CF175E. Power Defence | 0 | 0 | 0.000% |