Compilare: main.cpp: In function 'int main()': main.cpp:39:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 39 | if( lin[v[i].x].size() > mx ) { | ~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:47:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 47 | if( col[v[i].y].size() > mx ) { | ~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for( j = 0; j < lin[i].size(); j++ ) { | ~~^~~~~~~~~~~~~~~ main.cpp:55:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for( l = j + 1; l < lin[i].size(); l++ ) { | ~~^~~~~~~~~~~~~~~ main.cpp:74:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for( j = 0; j < col[i].size(); j++ ) { | ~~^~~~~~~~~~~~~~~ main.cpp:75:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for( l = j + 1; l < col[i].size(); l++ ) { | ~~^~~~~~~~~~~~~~~