Thank you, Edward! On Wednesday, April 15, 2020 at 11:46:32 AM UTC-4, Edward wrote: > > The suggestion is that you avoid using float at all (because floating > point arithmetic is hard), and instead use integer arithmetic. In this > case, you can do that by not computing the average. > > On Wed, 15 Apr 2020 at 16:42, Matt Fenlon <mattf...@gmail.com > <javascript:>> wrote: > >> That fixed it! Thank you so much. Out of curiosity, for what reason >> should we avoid float when calculating average? >> >> On Tuesday, April 14, 2020 at 5:41:05 PM UTC-4, porker2008 wrote: >>> >>> I think the problem is related the following line >>> >>> *total += f[i][j] * when[i][j];* >>> >>> Since f[][] and when[][] are both int, the result may be overflowed. >>> Change the line to >>> >>> *total += 1LL * f[i][j] * when[i][j];* >>> >>> would solve the problem. >>> >>> Also for calculating average, try avoid using float number >>> instead you can check whether* sum > f[i][j] * neighbor* >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google Code Jam" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to googl...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/google-code/0d968845-cebc-43d5-9f49-0daab864018f%40googlegroups.com >> >> <https://groups.google.com/d/msgid/google-code/0d968845-cebc-43d5-9f49-0daab864018f%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >
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