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... |
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... |
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+... Given n, you have ... |
I.
Halum and ACM Park The newly built ACM park is getting very popular. Initially the park is empty. Each day people come ... |