Compilare: main.cpp: In function 'int main()': main.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Andrei>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for( int i = 0; i < linii.size(); i++ ) | ~~^~~~~~~~~~~~~~ main.cpp:55:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Andrei>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for( int j = 0; j < coloane.size(); j++ ) { | ~~^~~~~~~~~~~~~~~~ main.cpp:73:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Andrei>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for( int i = 0; i < linii.size(); i++ ) | ~~^~~~~~~~~~~~~~ main.cpp:74:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Andrei>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for( int j = i + 1; j < linii.size(); j++ ) { | ~~^~~~~~~~~~~~~~ main.cpp:76:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Andrei>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for( int k = 0; k < coloane.size(); k++ ) { | ~~^~~~~~~~~~~~~~~~