Compilare: main.cpp: In function 'int main()': main.cpp:24:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(j=0;j<v[aux].size();j++) | ~^~~~~~~~~~~~~~ main.cpp:33:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(j=0;j<v[aux].size();j++) | ~^~~~~~~~~~~~~~