Variable, or There and back again: http://codeforces.com/contest/164/problem/A
Variable, or There and back again: http://codeforces.com/contest/164/problem/A

paramsingh/codechef-solutions,paramsingh/cp,paramsingh/cp,paramsingh/codechef-solutions,paramsingh/cp,paramsingh/cp,paramsingh/codechef-solutions,paramsingh/codechef-solutions,paramsingh/cp