Compilare: main.cpp: In function 'void get_rmq()': main.cpp:50:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i = 0; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:54:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int j = 1; (1 << j) <= nodes.size(); j++) { | ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:55:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i = 0; i + (1 << j) - 1 < nodes.size(); i++) { | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int i = 0; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:88:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for(int i = 0; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~