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  1. #include <boost/multiprecision/cpp_int.hpp>
  2. #include <iostream>
  3. namespace mp = boost::multiprecision;
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. mp::cpp_int u =999999999999999999;
  9. cout<<i*i;
  10. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp:1:10: fatal error: 'boost/multiprecision/cpp_int.hpp' file not found
#include <boost/multiprecision/cpp_int.hpp>
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
stdout
Standard output is empty