After the contest i wanted to upsolve and wanted to get some hints about the QUESTION: Shortest Distances 101 in the CONTEST: Starters 147
I found five people submitted exactly same solution with very slight variation in the variable names, rest everything is same the function name, all the spaces, everything that can be noticed by a human.
the solutions are as follows:
https://www.codechef.com/viewsolution/1080214481
https://www.codechef.com/viewsolution/1080209244
https://www.codechef.com/viewsolution/1080207879
https://www.codechef.com/viewsolution/1080208211
https://www.codechef.com/viewsolution/1080208083