Compilare: main.cpp: In function 'void dijk(int, int)': main.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i=0;i<kv.size();i++){ | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int i=0;i<kv.size();i++) | ~^~~~~~~~~~