Run Time Error!

Revision en1, by wytwalker, 2018-08-15 00:56:00

Hello Everyone, Can anyone explain anyone why I am getting runtime error at test case 4 ? Below is the link of submission: https://codeforces.com/contest/975/submission/41602103

Thanks!

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en1 English wytwalker 2018-08-15 00:56:00 207 Initial revision (published)