include<boost/multiprecision/cpp_int.hpp>
namespace mp = boost :: multiprecision; this header file is supported in codechef for big integer why not in codeforces?
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Can you link a submission in codechef that uses that? :O
yes in august long challenge 25708084 ,but right now solution is hidden
is that Codechef?
This is my submission from the past contest. https://www.codechef.com/viewsolution/24591651
Boost is not a part of C++ Standard Library, and in many contests only STL is supported.
Plus, problems that require big integers are rarely seen nowadays.