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View Compilation Error

0_0_30187041_4537.cpp: In function 'int ok(long long int, long long int)':
0_0_30187041_4537.cpp:22:15: error: no matching function for call to '__gcd(long long int&, int&)'
   if(__gcd(x,i)==1)
               ^
0_0_30187041_4537.cpp:22:15: note: candidate is:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
                 from 0_0_30187041_4537.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1229:5: note: template<class _EuclideanRingElement> _EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement)
     __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1229:5: note:   template argument deduction/substitution failed:
0_0_30187041_4537.cpp:22:15: note:   deduced conflicting types for parameter '_EuclideanRingElement' ('long long int' and 'int')
   if(__gcd(x,i)==1)
               ^


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