Compilare: main.cpp: In function 'void reuniune(std::vector<int>&, int, int)': main.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i=1; i<t.size(); i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i=0; i<tuneluri.size(); i++){ | ~^~~~~~~~~~~~~~~~