Not able to get reason behind WA — Codeforces Round #319 Div2 B

Правка en1, от irajdeep, 2015-09-11 18:36:28

So I made two submissions to this problem this problem.

While this solution gets WA at test case 39, this onegets Accepted. While the only difference between them is in the order of calculating a1 and a2. Can anyone help me with the reason as why does the order make a difference? Thanks

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  Rev. Язык Кто Когда Δ Комментарий
en2 Английский irajdeep 2015-09-11 18:41:24 13 Tiny change: 'ssions to this problem [this pro' -> 'ssions to [this pro'
en1 Английский irajdeep 2015-09-11 18:36:28 520 Initial revision (published)