Compilare: main.cpp: In function 'void compute_rmq()': main.cpp:29:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for (int i = 1; i + (1 << k) < rmq[k].size(); i++) { | ~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:32:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (int j = 1; j + (1 << k) < rmq[k][i].size(); j++) { | ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void print_rmq(int)': main.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int i = 0; i < rmq[k].size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp:55:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int j = 1; j < rmq[k][i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~