Compilare: main.cpp: In function 'int main()': main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int j=0; j<v[i].size(); j++) | ~^~~~~~~~~~~~ main.cpp:27:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int k=j+1; k<v[i].size(); k++) | ~^~~~~~~~~~~~ main.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int j=0; j<rez[i].size(); j++) | ~^~~~~~~~~~~~~~