Create virus_outbreak.md

Author: sreelakshmig009

Techgig Code Gladiators 2021/open round/virus_outbreak.md

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+## Virus Outbreak
+***
+In the Martian land faraway, a new virus has evolved and is attacking the individuals at a fast pace. The scientists have figured out the virus composition, V. The big task is to identify the people who are infected. The sample of N people is taken to check if they are POSITIVE or NEGATIVE. A report is generated which provides the current blood composition B of the person. 
+
+#### POSITIVE or NEGATIVE ?
+
+If the blood composition of the person is a subsequence of the virus composition V, then the person is identified as POSITIVE otherwise NEGATIVE.
+