Compilare: main.cpp: In function 'void BuildRmq()': main.cpp:144:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((1 << i) > rmq[0].size()) break; ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:147:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < rmq[0].size(); j++) ~~^~~~~~~~~~~~~~~ main.cpp:148:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((1 << i) + j > rmq[0].size()) break; ~~~~~~~~~~~~~^~~~~~~~~~~~~~~