Problems

You have opened a new betting business. You have decided that you will accept bets on the upcoming C...

• By Anachor
• 3/3 Solutions
• 3 Submissions

There is a pile of crabs standing on one top of another. There are total NNN crabs numbered 111 to ...

• By Peregrine_Falcon
• Moderate
• 31/41 Solutions
• 63 Submissions

Congratulations! You’ve been hired in “Buggy Softwares Ltd.” And you’ve been already given your firs...

• By upobir
• FenwickTree
• Hard
• 17/61 Solutions
• 163 Submissions

According to Wikipedia, Albrecht Dürer (May 21, 1471 - April 6, 1528) was a German painter, printma...

• By ishtupeed
• Moderate
• 18/51 Solutions
• 109 Submissions

Two numbers are relatively prime or co-prime if their greatest common divisor is 111. In this proble...

• By TarifEzaz
• Easy
• 241/253 Solutions
• 372 Submissions

What is the answer to the ultimate question of Life, the universe, and everything? It is You will b...

• By upobir
• 0/3 Solutions
• 13 Submissions

You have a weighted undirected complete graph of NNN nodes numbered from 000 to N−1N-1N−1. The weigh...

• By Aashiq

Recently Arya the little panda got a permutation of size AAA as a birthday present from his parents....

• By Arghya

You'll be given a string s=s1s2.....sns = s_1s_2.....s_ns=s1​s2​.....sn​ of length nnn consisting of...

• By Arghya
• 0/1 Solutions
• 1 Submission

Given an array AAA of size nnn, find how many tuple (i,j,k)(i, j, k)(i,j,k) are there such that 1≤i&...

• By Aashiq
• 1/1 Solution
• 1 Submission

Construct a square matrix aaa of size n×nn×nn×n satisfying the following conditions, Each row of th...

• By Arghya
• 1/1 Solution
• 1 Submission

You are given a permutation PPP of number 1,⋯ ,n1, \cdots , n1,⋯,n (I.E. each number occurs exactly ...

• By upobir
• 3/3 Solutions
• 6 Submissions

You are given a weighted directed graph with nnn nodes and mmm edges. Node SSS is marked as the sour...

• By tbs_sajal15

Jini’s favorite number is one. She always looks for one in any number and if she finds the digit 1 i...

• By masrur
• 7/7 Solutions
• 9 Submissions

Kagaya Ubuyashiki, the 97-th leader of the Demon Slayer Corps, Also known as Oyakata-sama to the Dem...

• By tanimahossain
• 3/4 Solutions
• 6 Submissions

From the earliest times, humanity knows about human-eating monsters, lurking in the darkness to devo...

• By Riadh_Hasan
• 5/6 Solutions
• 12 Submissions

Inosuke and Tanziro are overjoyed because Mr.Haganezuka is bringing their sword of revenge. Because ...

• By shimul12614
• Moderate
• 6/11 Solutions
• 28 Submissions

After the fight in the Natagumo Mountain, Tanjiro felt the need to get sharper. Because in recent fi...

• By AK_74u
• 2/2 Solutions
• 3 Submissions

After becoming a demon, Nejuko can’t go out in the sunlight. Most of the daytime she stays in a box....

• By AlbinHossain
• Easy
• 11/11 Solutions
• 15 Submissions

BDesh is a very peaceful country with a smaller population. Recently a Spider Demon with a dangerous...

• By Wl.Reino
• Easy
• 14/14 Solutions
• 25 Submissions

So the fight against the demonized humans, who eat good humans, is raging on. And the cause for thes...

• By gh0st1
• Moderate
• 15/16 Solutions
• 34 Submissions

During the Covid-19 pandemic, the members of the Demon Slayer Corps are relaxing at their own houses...

• By Yankee16
• Easy
• 20/21 Solutions
• 35 Submissions

“The weak have no rights or choices. Their only fate is to be relentlessly crushed by the strong!” ...

• By ShouravAhmed
• Moderate
• 5/12 Solutions
• 47 Submissions

Today is a very special day for Rubel. Recently he got a job in a software company. Now today is the...

• By subhashis_cse
• Moderate
• 8/15 Solutions
• 33 Submissions

Sajeeb and Shoikot are two friends. Both are love mathematics. Sajeeb has a fascination with ZERO. T...

• By mhiceiuk
• 3/3 Solutions
• 16 Submissions