Compilare: main.cpp: In function 'int main()': main.cpp:31:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(i=0;i<muc[k].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:42:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(i=0;i<muc[p].size();i++) | ~^~~~~~~~~~~~~~