Compilare: main.cpp: In function 'int main()': main.cpp:75:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int i = 0; i < coloane2.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:76:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j = 0; j < linii2.size(); j++) | ~~^~~~~~~~~~~~~~~