ID Problem Show tags Hide tags AC / Tried Difficulty
7931 P409G   On a plane 0 / 0 8
7930 P409H   A + B Strikes Back 0 / 0 5
7929 P409I   Feed the Golorp 0 / 0 9
7928 P411A   Password Check 0 / 0 3
7927 P411B   Multi-core Processor 0 / 0 5
7926 P411C   Kicker 0 / 0 5
7925 P412A   Poster 0 / 0 3
7924 P412B   Network Configuration 0 / 0 3
7923 P412C   Pattern 0 / 0 4
7922 P412D   Giving Awards 0 / 0 7
7921 P412E   E-mail Addresses 0 / 0 6
7920 P413A   Data Recovery 0 / 0 4
7919 P413B   Spyke Chatting 0 / 0 4
7918 P413C   Jeopardy! 0 / 0 4
7917 P413D   2048 0 / 0 7
7916 P413E   Maze 2D 0 / 0 8
7915 P414A   Mashmokh and Numbers 0 / 0 5
7914 P414B   Mashmokh and ACM 1 / 1 4
7913 P414C   Mashmokh and Reverse Operation 0 / 0 7
7912 P414D   Mashmokh and Water Tanks 0 / 0 8
7911 P414E   Mashmokh's Designed Problem 0 / 0 10
7910 P415A   Mashmokh and Lights 0 / 0 3
7909 P415B   Mashmokh and Tokens 0 / 0 5
7908 P416A   Guess a number! 0 / 0 4
7907 P416B   Art Union 0 / 0 4
7906 P416C   Booking System 0 / 0 5
7905 P416D   Population Size 0 / 0 9
7904 P416E   President's Path 0 / 0 9
7903 P417A   Elimination 0 / 0 5
7902 P417B   Crash 0 / 0 4
7901 P417C   Football 0 / 0 4
7900 P417D   Cunning Gena 0 / 0 6
7899 P417E   Square Table 0 / 0 9
7898 P418D   Big Problems for Organizers 0 / 0 10
7897 P418E   Tricky Password 0 / 0 10
7896 P420A   Start Up 0 / 0 3
7895 P420B   Online Meeting 0 / 0 6
7894 P420C   Bug in Code 0 / 0 6
7893 P420D   Cup Trick 0 / 0 8
7892 P420E   Playing the ball 0 / 0 10
7891 P421A   Pasha and Hamsters 0 / 0 3
7890 P421D   Bug in Code 0 / 0 6
7889 P424A   Squats 0 / 0 3
7888 P424B   Megacity 0 / 0 4
7887 P424C   Magic Formulas 0 / 0 5
7886 P424D   Biathlon Track 0 / 0 8
7885 P424E   Colored Jenga 0 / 0 9
7884 P425A   Sereja and Swaps 0 / 0 5
7883 P425B   Sereja and Table 0 / 0 8
7882 P425C   Sereja and Two Sequences 0 / 0 8
7881 P425D   Sereja and Squares 0 / 0 8
7880 P425E   Sereja and Sets 0 / 0 9
7879 P426A   Sereja and Mugs 0 / 0 3
7878 P426B   Sereja and Mirroring 0 / 0 4
7877 P427A   Police Recruits 0 / 0 3
7876 P427B   Prison Transfer 0 / 0 3
7875 P427C   Checkposts 1 / 1 5
7874 P427D   Match & Catch 0 / 0 8
7873 P427E   Police Patrol 0 / 0 7
7872 P429A   Xor-tree 0 / 0 4
7871 P429B   Working out 0 / 0 5
7870 P429C   Guess the Tree 0 / 0 8
7869 P429D   Tricky Function 0 / 0 8
7868 P429E   Points and Segments 0 / 0 10
7867 P430A   Points and Segments (easy) 0 / 0 5
7866 P430B   Balls Game 0 / 0 4
7865 P431A   Black Square 0 / 0 3
7864 P431B   Shower Line 0 / 0 4
7863 P431C   k-Tree 1 / 1 5
7862 P431D   Random Task 0 / 0 7
7861 P431E   Chemistry Experiment 0 / 0 8
7860 P432A   Choosing Teams 0 / 0 3
7859 P432B   Football Kit 0 / 0 4
7858 P432C   Prime Swaps 0 / 0 6
7857 P432D   Prefixes and Suffixes 0 / 0 7
7856 P432E   Square Tiling 0 / 0 8
7855 P433A   Kitahara Haruki's Gift 0 / 0 3
7854 P433B   Kuriyama Mirai's Stones 0 / 0 4
7853 P433C   Ryouko's Memory Note 0 / 0 6
7852 P433D   Nanami's Digital Board 0 / 0 7
7851 P433E   Tachibana Kanade's Tofu 0 / 0 9
7850 P434D   Nanami's Power Plant 0 / 0 10
7849 P434E   Furukawa Nagisa's Tree 0 / 0 10
7848 P435A   Queue on Bus Stop 0 / 0 3
7847 P435B   Pasha Maximizes 0 / 0 4
7846 P435C   Cardiogram 0 / 0 5
7845 P435D   Special Grid 0 / 0 7
7844 P435E   Special Graph 0 / 0 9
7843 P436A   Feed with Candy 0 / 0 5
7842 P436B   Om Nom and Spiders 0 / 0 4
7841 P436C   Dungeons and Candies 0 / 0 6
7840 P436D   Pudding Monsters 0 / 0 10
7839 P436E   Cardboard Box 0 / 0 10
7838 P436F   Banners 0 / 0 10
7837 P437A   The Child and Homework 0 / 0 4
7836 P437B   The Child and Set 0 / 0 5
7835 P437C   The Child and Toy 2 / 2 4
7834 P437D   The Child and Zoo 0 / 0 6
7833 P437E   The Child and Polygon 0 / 0 9
7832 P438D   The Child and Sequence 0 / 0 8

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