Added binary search
Added binary search

psushaanth23/HacktoberFest,psushaanth23/HacktoberFest,IEEE-NITK/HacktoberFest,psushaanth23/HacktoberFest,psushaanth23/HacktoberFest,IEEE-NITK/HacktoberFest,IEEE-NITK/HacktoberFest,psushaanth23/HacktoberFest,IEEE-NITK/HacktoberFest,IEEE-NITK/HacktoberFest,psushaanth23/HacktoberFest,IEEE-NITK/HacktoberFest,psushaanth23/HacktoberFest,IEEE-NITK/HacktoberFest,IEEE-NITK/HacktoberFest,IEEE-NITK/HacktoberFest,IEEE-NITK/HacktoberFest