Compilare: user.cpp: In function ‘int trunchi_log(int)’: user.cpp:15:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(t = (x>>16)){ ^ user.cpp: In function ‘void make_rmq(const std::vector<int>&, std::vector<std::vector<int> >&)’: user.cpp:29:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int marime = 1; marime < rmq.front().size(); ++marime){ ^ user.cpp:30:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; marime < rmq[i].size(); ++i){ ^ user.cpp:31:48: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] rmq[i][marime] = min(rmq[i][marime-1], rmq[i+1<<(marime-1)][marime-1]); } } } ^