View Compilation Error

0_0_8618861_19027.cpp:51: error: redefinition of `std::vector<int, std::allocator<int> > v[10005]'
0_0_8618861_19027.cpp:7: error: `std::vector<int, std::allocator<int> > v[10005]' previously declared here
0_0_8618861_19027.cpp: In function `int mex(int, int)':
0_0_8618861_19027.cpp:53: error: redefinition of `int mex(int, int)'
0_0_8618861_19027.cpp:9: error: `int mex(int, int)' previously defined here
0_0_8618861_19027.cpp: In function `int main()':
0_0_8618861_19027.cpp:61: error: redefinition of `int main()'
0_0_8618861_19027.cpp:17: error: `int main()' previously defined here