Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:24:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int k=0;k<divi[i].size();k++) | ~^~~~~~~~~~~~~~~ main.cpp:40:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int k=0;k<divi[i].size();k++) | ~^~~~~~~~~~~~~~~