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Swapping Variables

Q

Can you write a program to interchange 2 variables without using the third one?

✍: FYIcenter

A
a = 7;
b = 2;
a = a + b;
b = a - b;
a = a - b;

2007-02-26, 6511👍, 0💬

.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML