Compilare: main.cpp: In function 'void dfs1(int)': main.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0;i<v1[x].size();i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int)': main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i=0;i<v2[x].size();i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:53:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int j=0;j<ctc[i].size();j++) | ~^~~~~~~~~~~~~~