Compilare: main.cpp: In function 'void dfs(int)': main.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int j=0;j<g1[nod].size();j++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:37:27: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 37 | for(unsigned int i=1;i<=m;i++) | ~^~~ main.cpp:59:27: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 59 | for(unsigned int i=1;i<=n;i++) | ~^~~ main.cpp:78:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(int j=0;j<rez[i].size();j++) | ~^~~~~~~~~~~~~~