Compilare: main.cpp: In function 'int main()': main.cpp:37:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Segment>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i = 0; i < row.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Segment>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int j = 0; j < col.size(); j++) { | ~~^~~~~~~~~~~~ main.cpp:55:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Segment>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int i = 0; i < row.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:56:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Segment>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int j = i + 1; j < row.size(); j++) { | ~~^~~~~~~~~~~~ main.cpp:58:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Segment>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int k = 0; k < col.size(); k++) { | ~~^~~~~~~~~~~~