Compilare: main.cpp: In function 'void Update(int, int)': main.cpp:27:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for (int i = pos; i <= Euler.size(); i += ub(i)) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void Do_RMQ()': main.cpp:69:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for (int i = 1; i <= Euler.size(); ++ i ) | ~~^~~~~~~~~~~~~~~ main.cpp:72:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int i = 1; i <= Euler.size(); ++ i ) { | ~~^~~~~~~~~~~~~~~ main.cpp:79:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int i = 2; i <= Euler.size(); ++ i ) | ~~^~~~~~~~~~~~~~~ main.cpp:82:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int l = 1; (1<<l) <= Euler.size(); ++ l ) | ~~~~~~~^~~~~~~~~~~~~~~ main.cpp:83:40: 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 = 1; i + (1<<l) - 1 <= Euler.size(); ++ i ) | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~