Compilare: main.cpp: In function 'void canFinish(int, std::vector<std::vector<int> >&)': main.cpp:18:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i = 0; i < prerequisites.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int i = 0; i < graf[currentNode].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:44:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for (int j = 0; j < dependencies[graf[currentNode][i]].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~