Random commentary about Machine Learning, BigData, Spark, Deep Learning, C++, STL, Boost, Perl, Python, Algorithms, Problem Solving and Web Search
Monday, August 23, 2010
A lillte puzzle with balls
Little interview puzzle: A container is filled up with balls. Each ball has a value. Red = 7, Yellow = 5, Green = 2, Blue 2. Some balls are removed from the container and the product of their value is 147,000. How many red balls have been removed?