Bitwise OR
Time Limit: 1 sec
The Problem
The bitwise OR only operates at the bit level. Its result is a 1 if one of the either bits is 1 and zero only when both bits are 0. Its symbol is '|' which can be called a pipe.
Bitwise OR "|"
| bit a | bit b | a | b (a OR b) |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
You will be given two integers as input. You have to output their bitwise OR as output.
For example,
if A = 5 and B = 4, then in binary A = 101 and B = 100.
So (A OR B) = (5 OR 4) = ( 101 OR 100 ) = 101 (binary) = 5 (decimal)
The Input
The first line contains a positive integer T ( 1<=T<=10000), denoting the number of test case. The next T lines will contain 2 integers A and B (0<=A,B<=2^32).
The Output
For each case, print bitwise OR(|) of A and B in seperate line.
Sample Input
2
5 4
5 3
Sample Output
5
7
Problem Setter: Shahin ShamS