Compilare: main.cpp: In function 'void dfs(int, int, int, int)': main.cpp:76:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for (int i = 0; i < graf[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void preCalcRMQ()': main.cpp:91:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (int i = 1; i < liniarizare.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:102:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for (int i = 1; i < liniarizare.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:107:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for (int i = 1; i + (1 << l) - 1 < liniarizare.size(); ++i) | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:164:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 164 | for (int i = 0; i < muchii.size(); ++i) | ~~^~~~~~~~~~~~~~~