Merge pull request adityabisoi#461 from shash-2468/cp

Update README.md

README.md

@@ -127,7 +127,7 @@ Please read [contribution guidelines](CONTRIBUTING.md) for contributing to the p
 | Contest Problems |
 ||[Squares of a Sorted Array](https://www.hackerrank.com/contests/coding-gym-mo0419/challenges/squares-of-a-sorted-array)|Medium|[View](/Contest%20Problems/Squares%20of%20a%20Sorted%20Array/solution.cpp)|[View](/Contest%20Problems/Squares%20of%20a%20Sorted%20Array/solution.java)|[View](/Contest%20Problems/Squares%20of%20a%20Sorted%20Array/solution.py)|
 ||[Diagonal Difference](https://www.hackerrank.com/challenges/diagonal-difference/problem)|Easy|[View](Algorithms/Diagonal%20Difference/solution.cpp)|[View](/Algorithms/Diagonal%20Difference/solution.java)|[View](/Algorithms/Diagonal%20Difference/solution.py)|
-||[Viral Advertising](https://www.hackerrank.com/challenges/strange-advertising/problem)|Easy||[View](Algorithms/Viral%20Advertising/solution.java)|[View](/Algorithms/Viral%20Advertising/solution.py)|
+||[Viral Advertising](https://www.hackerrank.com/challenges/strange-advertising/problem)|Easy||[View](Algorithms/Viral%20Advertising/solution.cpp)|[View](Algorithms/Viral%20Advertising/solution.java)|[View](/Algorithms/Viral%20Advertising/solution.py)|
 ||[Minimum Absolute Difference in an Array]( https://www.hackerrank.com/challenges/minimum-absolute-difference-in-an-array/problem)|Medium|[View](Algorithms/Greedy/Minimum%20Absolute%20Difference%20in%20an%20Array/solution.cpp)|[View](Algorithms/Greedy/Minimum%20Absolute%20Difference%20in%20an%20Array/solution.java)|[View](Algorithms/Greedy/Minimum%20Absolute%20Difference%20in%20an%20Array/solution.py)|
 ||[Organizing Containers of Balls](https://www.hackerrank.com/challenges/organizing-containers-of-balls/problem)|Easy||[View](Algorithms/Organizing%20Containers%20of%20Balls/solution.java)||[View](https://github.com/lopeselio/ds-algo-solutions/blob/lopeselio/Algorithms/Organizing%20Containers%20of%20Balls/solution.py)|
 | Disjoint Sets |