ID Problem Show tags Hide tags AC / Tried Difficulty
9739 P7C  Line 0 / 0 6
9724 P10C  Digital Root 0 / 0 7
9694 P16C  Monitor 0 / 0 6
9691 P17A  Noldbach problem 0 / 0 3
9688 P17D  Notepad 0 / 0 9
9649 P26A  Almost Prime 0 / 0 3
9640 P27E  Number With The Given Amount Of Divisors 1 / 1 7
9534 P45G  Prime Problem 0 / 0 8
9478 P55D  Beautiful numbers 0 / 0 9
9460 P59B  Fortune Telling 0 / 0 4
9432 P64E  Prime Segment 0 / 0 6
9419 P66D  Petya and His Friends 0 / 0 5
9412 P68A  Irrational problem 0 / 0 3
9395 P71C  Round Table Knights 0 / 0 5
9379 P73E  Morrowindows 0 / 0 9
9375 P74C  Chessboard Billiard 0 / 0 7
9370 P75C  Modified GCD 0 / 0 5
9354 P78C  Beaver Game 0 / 0 7
9331 P83D  Numbers 0 / 0 9
9329 P84A  Toy Army 0 / 0 3
9292 P93E  Lostborn 0 / 0 10
9222 P111B  Petya and Divisors 0 / 0 6
9214 P113C  Double Happiness 0 / 0 8
9201 P117B  Very Interesting Game 0 / 0 6
9175 P121C  Lucky Permutation 0 / 0 6
9172 P122A  Lucky Division 0 / 0 3
9170 P123A  Prime Permutation 0 / 0 4
9120 P134B  Pairs of Numbers 0 / 0 6
9057 P150A  Win or Freeze 0 / 0 4
9039 P154B  Colliders 0 / 0 5
9023 P158D  Ice Sculptures 0 / 0 4
8962 P171F  ucyhf 0 / 0 5
8958 P172B  Pseudorandom Sequence Period 0 / 0 4
8956 P172D  Calendar Reform 0 / 0 5
8933 P177B1  Rectangular Game 0 / 0 3
8932 P177B2  Rectangular Game 0 / 0 4
8902 P180B  Divisibility Rules 0 / 0 8
8882 P185D  Visit of the Great 0 / 0 10
8819 P199A  Hexadecimal's theorem 0 / 0 3
8807 P200E  Tractor College 0 / 0 9
8723 P215E  Periodical Numbers 0 / 0 7
8718 P216E  Martian Luck 0 / 0 7
8696 P222C  Reducing Fractions 0 / 0 6
8691 P223C  Partial Sums 0 / 0 6
8685 P225B  Well-known Numbers 0 / 0 5
8682 P225E  Unsolvable 0 / 0 7
8679 P226C  Anniversary 0 / 0 9
8663 P230B  T-primes 0 / 0 4
8642 P235A  LCM Challenge 0 / 0 5
8638 P235E  Number Challenge 0 / 0 10
8636 P236B  Easy Number Challenge 0 / 0 4
8633 P237C  Primes on Interval 0 / 0 5
8588 P248B  Chilly Willy 0 / 0 4
8575 P251C  Number Transformation 0 / 0 7
8523 P264B  Good Sequences 0 / 0 5
8512 P267A  Subtractions 0 / 0 3
8496 P271B  Prime Matrix 0 / 0 4
8493 P271E  Three Horses 0 / 0 8
8462 P279E  Beautiful Decomposition 0 / 0 6
8446 P283D  Cows and Cool Sequences 0 / 0 9
8444 P284A  Cows and Primitive Roots 0 / 0 4
8405 P293C  Cube Problem 0 / 0 9
8400 P294C  Shaass and Lights 0 / 0 6
8399 P294D  Shaass and Painter Robot 0 / 0 9
8383 P299A  Ksusha and Array 0 / 0 3
8377 P300E  Empire Strikes Back 0 / 0 8
8367 P303C  Minimum Modular 0 / 0 9
8366 P303D  Rotatable Number 0 / 0 10
8355 P306C  White, Black and White Again 0 / 0 7
8341 P313A  Ilya and Bank Account 0 / 0 3
8236 P336C  Vasily the Bear and Sequence 0 / 0 6
8235 P336D  Vasily the Bear and Beautiful Strings 0 / 0 7
8232 P337B  Routine Problem 0 / 0 4
8231 P337C  Quiz 0 / 0 5
8229 P337E  Divisor Tree 0 / 0 8
8228 P338D  GCD Table 0 / 0 10
8209 P343A  Rational Resistance 0 / 0 5
8195 P346A  Alice and Bob 0 / 0 5
8191 P346E  Doodle Jump 0 / 0 10
8187 P348B  Apple Tree 0 / 0 7
8167 P353C  Find Maximum 0 / 0 5
8162 P354C  Vasya and Beautiful Arrays 0 / 0 7
8143 P359C  Prime Number 0 / 0 6
8137 P360D  Levko and Sets 0 / 0 10
8134 P361B  Levko and Permutation 0 / 0 4
8121 P364C  Beautiful Set 0 / 0 8
8093 P371B  Fox Dividing Cheese 0 / 0 4
8077 P375A  Divisible by Seven 0 / 0 5
8035 P385C  Bear and Prime Numbers 0 / 0 5
7987 P396A  On Number of Decompositions into Multipliers 0 / 0 (None)
7986 P396B  On Sum of Fractions 0 / 0 (None)
7965 P401D  Roman and Numbers 0 / 0 7
7960 P402D  Upgrading Array 0 / 0 6
7915 P414A  Mashmokh and Numbers 0 / 0 5
7914 P414B  Mashmokh and ACM 1 / 1 4
7831 P438E  The Child and Binary Tree 0 / 0 10
7828 P439C  Devu and Partitioning of the Array 0 / 0 5
7800 P446C  DZY Loves Fibonacci Numbers 0 / 0 9
7791 P448E  Divisors 0 / 0 8
7788 P449C  Jzzhu and Apples 0 / 0 9

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