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In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdbool:39:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:56,
                 from 0_0_31608501_16339.cpp:1:
0_0_31608501_16339.cpp: In function 'std::vector<int> answer()':
0_0_31608501_16339.cpp:78:11: error: could not convert 'false' from 'bool' to 'std::vector<int>'
    return false;
           ^