Compilare: main.cpp: In function 'int main()': main.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | if (sizeMin < neighbours[x].size()) { | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:23:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | } else if (sizeMin < neighbours[y].size()) { | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:31:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int j = 0; j < neighbours[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:35:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (int j = 0; j < neighbours[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~