Problems from Comilla University CSE Fiesta 2017

These problems are from a contest hosted on December 4, 2017 at 5:30 AM UTC. See details...

Standings
A. Lowercase or Uppercase
You are given a string S consisting of lowercase English letters (a, b, c ….. z), uppercase English ...
B. Relations
Last week Mahde brought an array of n integers. Ai is the i-th integer of the array. Each integer is...
amin21 Moderate 13/22/51
C. Hardest Update and Easiest Query
You have an array A with n elements which is indexed from 1 to n. Now you have to deal with two type...
Moderate 26/34/144
D. Unique String
There are 3 types of letters available. They are A, B and C. You are given the frequencies of them. ...
E. The Selfie Boy
Mahde is a selfie boy. Every day he uploads new picture in facebook. Today, mark zuckerberg barg gif...
F. Nitu the Laziest Girl
Did you hear about the lazy girl Nitu? She loves programming a lot and spends most of her times in p...
G. RAD!
In the year 3333, earthly scientists discovered a massive star has blast in a nearby galaxy. Dangero...
H. Calculate the Sum If You Can
This problem deals with the following expression: 1−2+1−2+1−2+1−2+1−2+1−2+1−2+...1-2+1-2+1-2+1-2+1-2...
I. Halum and ACM Park
The newly built ACM park is getting very popular. Initially the park is empty. Each day people come ...
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