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DescriptionGiven a 2-dimensional array of positive and negative integers, find the sub-rectangle with the largest sum. The sum of a rectangle is the s... 阅读全文
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DescriptionMany of SKB Kontur programmers like to get to work by Metro because the main office is situated quite close the station Uralmash. So, since... 阅读全文
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DescriptionLet’s considerK-based numbers, containing exactlyNdigits. We define a number to be valid if itsK-based notation doesn’t contain two success... 阅读全文
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DescriptionOn the Day of the Flag of Russia a shop-owner decided to decorate the show-window of his shop with textile stripes of white, blue and red c... 阅读全文
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DescriptionSquares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the drawings in his 'toilet series' (... 阅读全文