Convex Hull ~ Multiplex Coder

Squares CountingCODECHEF You are given a binary square matrix AA of size N×NN×N. Let the value
Job at Todechef Problem Code: JOBCHF Preface:There is no need for introduction of uses of shortest path algorithms in real life. U
Two Merchants There are two merchants in the market. Initially, the first merchant has N items for sal
Permutation Xor A sequence of $N$ integers is called a permutation if it contains all integers from $1$ to $N