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Discussion of Problem 1017. Staircases

Don't use unsigned long long, use simple long long. (was WA7)
Posted by Raven 29 Apr 2014 18:31
Used unsigned long long. At result got WA7. Just clear unsigned everywhere and i got AC. Strange behavior. There was no negative numbers, it's really strange.
Re: Don't use unsigned long long, use simple long long. (was WA7)
Posted by suryansh 25 Jun 2016 18:37
i used unsigned but didn't get any wrong answer