IamHot

Talha is a very good student and topper of his class. He is very good at teaching others too. One da...

0/1/13

Given three strings A, B and C. Find the length of the longest common substring of A and B, which do...

Moderate 11/35/181

Now-a-days life is very Toph and you need to face a lot of Toph problems. Here is another problem li...

Easy 18/28/280

Biswa has started Borhani (kind of a soft drink) business recently and made it the new sexy in no ti...

Moderate 25/43/151

Valentine's day is coming. (I know, it's still 9 months away, but bear with me) Najib is planning a ...

Very Easy 70/75/159

Lets not waste your time with long tiring problem statement and just go straight to the point. You a...

DP, FFT, Math, NTT Moderate 14/18/67

There is a rectangular lake with N rows and M columns and you are standing on a stone in the top lef...

Moderate 23/27/72

Little Oishee loves to watch TV. But her mother, who is a math teacher, doesn't like this at all. Sh...

Combinatorics, Counting Moderate 38/51/179

Mary is an intellectually gifted 7-year-old girl. On her first day at school, she impressed her math...

11/26/130

In the 1970-80s, students in the Soviet Union had to face quite a hurdle. The administrators of sele...

Adhoc Moderate 5/30/119

Well, I will not waste your time and go straight to the problem. You are given an array A of numbers...

Hashing Moderate 17/31/146

Mr Max , Mr Sum and Mr Count are three neighbours. They have a common enemy, an old man living in th...

Moderate 7/12/18

You are given two integers N and M. Find another integer X divisible by M that has the same number o...

DP Moderate 17/39/151

You are given a string of length L. You have Q queries. In each query, you will be asked to either u...

DataStructure, Hashing, SegmentTree Moderate 15/38/144

Nowadays nothing is pure. Be it a heart or a food or just a mere number. There is contamination in a...

Moderate 5/7/36

You are given N sets of integers (S[1] , S[2] , S[3] , ... , S[N]) and Q queries. Each query has 4 i...

Moderate 54/78/848

Difference starts with a 'D'. This is the root of all dissimilarities and arguments and fights. Figu...

Moderate 5/7/74

Many many years ago there was a small country. And all the people there were very weird. They liked ...

Counting, TwoPointer Moderate 18/23/100

Strings are difficult, most of the contest programmers say this and try to avoid string algorithms. ...

DP Moderate 46/86/410