This code is working fine in eclipse but I am getting runtime error on test case 1 in codeforces.

Problem Link :

http://codeforces.com/contest/1051/problem/C

Program Link :

https://ideone.com/Qtv1Pm

This program is running fine in eclipse but giving me runtime error on test case 4 in codeforces but I am not getting why?

Problem Link :

https://codeforces.com/problemset/problem/1137/B

Program Link :

https://ideone.com/fHQiiH

Please help me to find why codeforces is giving runtime error on test case 4.