Compilare: main.cpp: In function 'int main()': main.cpp:81:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 81 | if(comp[i].size()>ans) | ~~~~~~~~~~~~~~^~~~ main.cpp:89:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int i=1; i<comp[poz].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:94:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | while(j<path.size() && graph[path[j]][x]) | ~^~~~~~~~~~~~