## And... Yet Another AND ProblemYouKn0wWho has an integer n. He wants to find an integer sequence a of size exactly 2n such that 0≤a...
Moderate
40/54/108 |

## Ant-Man And The PolygonAnt-Man before escaping from the quantum realm thought about roaming around the realm. And much to h... |

## Enormous ProductYou are given two integers l and r. You need to find the value of As the value of this equation ma...
Moderate
5/7/15 |

## FYou are given an integer sequence a1,a2,…,an. For any non-negative integer k, let P(k)=l=1∏nr=l,...
Moderate
5/6/17 |

## GiveawayCherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...
Easy
247/280/452 |

## Isn't It Strange?Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...
Moderate
91/109/231 |

## On the SeaCherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...
Hard
13/14/23 |

## Perfect PointsPerfect lines are the lines y=mx+c such that m and c are positive integers. Perfect points are the p... |

## Permutations and DivisorsLet P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |

## Playing On A Directed GraphYou are given a directed graph consisting of n vertices and m edges (each edge is directed, so it ca... |

## String Is Not That EasyLet's consider a string S which is obtained by concatenating the non-negative integers from 0 to 102... |

## Subset ANDYou are given an array A of n integers and an integer k. You need to find if there is any non-empty ... |

## The SelectionSUST has n departments numbered from 1 to n where every pair of distinct departments is connected by... |

## Where Do Lovers Go?
Moderate
164/248/619 |

## XOR-GunYouKn0wWho has an integer sequence a1,a2,…,an. He will perform the following operation until the ...
Moderate
9/12/16 |

## XOR PartitionNeo has a hidden array A of n integers where 0 ≤ Ai ≤ 109 is satisfied for each i from 1 to n . You ... |

## You
Moderate
4/8/16 |

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