Compilare: user.cpp: In constructor ‘RMQ::RMQ(int, int*, int)’: user.cpp:43:67: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] rmq[i][j] = m( rmq[i - 1][j], rmq[i - 1][j + ( 1 << i - 1 )] ); ^ user.cpp: In function ‘bool solve(int, int, std::ofstream&)’: user.cpp:111:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:157:31: warning: ‘q’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << m << endl << q; ^