Another Query on String You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |

Chowdhury Saheb & the Numbers You like short description of problems? Me too! Let's go to an easy problem. You are given an array ... |

City of Burgerland Have you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s... |

Dengue Affected Areas Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num... |

Designing a Data Structure Data structure is one of your favourite topics, isn't it? Letâ€™s design a new data structure! In this... |

Facebook Reacts There are seven types of "React" for Facebook posts. These are Like Love Care Haha Wow Sad Angry ... |

K-Subarray You will be given an array of length n. You need to divide the array in some part where length of ev...
Moderate
49/60/95 |

Magic Square A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i... |

Mina and Raju Everyone know about Mina & Raju. They are siblings as well as good friend. The friend-circle of Mina... |

Minions and War In the land of Minion, there are N Minions. They have their own power to survive themselves from ene...
Moderate
57/90/321 |

Next Smaller Element You will be given a long array ar. The length of the array is n100 where n will be given. The first ...
Moderate
29/37/135 |

The Titan The Titan, a giant ship started its journey on the dark sea. It was going to the North America. On t... |

Tree Queries You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |

Unique Substrings Query You will be given a string s of length n. Consider substring s[i,n] (where i is the starting positio... |

Yet Another Query Problem! You are given an array $A$ of length $n$ consisting of integers between $1$ and $10^6$. You need to ... |

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