Saturday, June 4, 2011

Multiply a number by 7 without using * and + operator

int Num = n;
int NewNum;

NewNum = Num << 3; // mulitplied by 2 ^ 3 = 8

NewNum = NewNum - Num; // 8 – 1 = 7 if n = 1
Posted by Mazhar Rana at 7:37 PM
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