I would like to optmise multiplication ,please help

krishna kumar.s

Greenhorn

Posts: 22

posted 4 years ago

To solve one of the puzzles I need to find the multiplication of a number which yields <2 .I used below code which takes 8hrs adn does go upto 10000, can anybody suggest a better efficient method for multiplication?

Ulf Dittmer

Rancher

Posts: 42967

73

posted 4 years ago

3

I'm not sure what the algorithm is supposed to do, but you're much better off handling large integers by using the java.math.BigInteger class than by using strings.